@misc{GerstenbergerOsieckiKrolletal., author = {Gerstenberger, Colin and Osiecki, Tomasz and Kroll, Lothar and Scholz, Peter and Seidlitz, Holger}, title = {Processing and characterization of cathodic dip coated metal/composite-laminates}, series = {Archives of Civil and Mechanical Engineering}, volume = {16}, journal = {Archives of Civil and Mechanical Engineering}, number = {3}, issn = {1644-9665}, doi = {10.1016/j.acme.2016.03.001}, pages = {467 -- 472}, abstract = {The current trend shows an increasing demand for novel technologies, that facilitate a functional integration of fiber reinforced polymers (FRP) in metal based structures, especially in automotive industry. To comply with the requirements of large-scale production the use of fiber reinforced thermoplastics in form of hybrid metal/composite-laminates seems advantageous. By targeted exploitation of their high lightweight potential, combined with suitable capabilities for mass production and good damping properties, cost-effective and weight-optimized parts with high stiffness and load capacity can be provided for future applications. As there is little known about the processing and the mechanical properties of thermoplastic based FRP/metal-laminates, the study focuses on the development of novel hybrid laminates with low residual stresses, made of metallic steel sheets and continuous glass or carbon fiber reinforced polyamide 6. In this context, the influence of several pre-operations like sand blasting, cleaning or primer application on the interlaminar shear strength (ILSS) was examined in addition to their resistance to cathodic dip paint treatment.}, language = {en} } @misc{SchulzeSeidlitzKoenigetal., author = {Schulze, Marcus and Seidlitz, Holger and K{\"o}nig, Franziska and Weiß, Sabine}, title = {Nanoindentation measurements of PVD coated multilayer constructions}, series = {Journal of Achievements in Materials and Manufacturing Engineering}, volume = {72}, journal = {Journal of Achievements in Materials and Manufacturing Engineering}, number = {2}, issn = {1734-8412}, pages = {53 -- 60}, abstract = {Carbon fibre reinforced thermoplastics (CFRP) are intensively used in lightweight applications due to their high strength to weight ratio. In addition they offer good crash, damping and recycling properties. On the basis of their morphology they are suitable for large scale manufacturing processes. A major disadvantage consists of its poor hardness properties, which is again an important requirement to realize a good erosion and wear behaviour. Design/methodology/approach: In this work the application of orthotropic carbon fibre reinforced polymers (PA6), with protective TiAlN coatings, produced by physical vapor deposition (PVD), is investigated. The characterization of the coating is performed by nanoindentation tests, roughness measurements and scanning electron microscopy. Furthermore micro hardness tests on selected well prepared cross sections are conducted, to compare the coating quality with established coating systems. Findings: By applying TiAlN coating, the hardness of the CFRP samples can be increased substantially up to 15 GPa, in comparison to the basic substrate. In addition the quality of the coating surface can be improved significantly by plasma etching pre-treatment. Research limitations/implications: The presented findings are preliminary results to prove the application of a standard processed ceramic coating on new composite types for mass production. The PVD coating process as well as the utilized testing methods are suitable to realize hard coatings on thermoplastic CFRP. This effect can be exploited for several lightweight applications to increase the erosion and wear resistance of composite materials. Originality/value: The presented results show, that ceramic coatings can be deposited on standard thermoplastic CFRP with polyamide 6 matrix. Therewith it can be expected, that the PVD coating process can make a essential contribution to increase the range of applications.}, language = {en} } @misc{KleinPodlesakHoeferetal., author = {Klein, Mario and Podlesak, Frank and H{\"o}fer, Kevin and Seidlitz, Holger and Gerstenberger, Colin and Mayr, Peter and Kroll, Lothar}, title = {Advanced Joining Technologies for Load and Fibre Adjusted FRP-Metal Hybrid Structures}, series = {Journal of Materials Science Research}, volume = {4}, journal = {Journal of Materials Science Research}, number = {4}, issn = {1927-0585}, doi = {10.5539/jmsr.v4n4p26}, pages = {26 -- 33}, abstract = {Multi-material-design (MMD) is commonly realized through the combination of thin sheet metal and fibre reinforced plastics (FRP). To maximize the high lightweight potential of the material groups within a multi-material system as good as possible, a material-adapted and particularly fibre adjusted joining technology must be applied. The present paper focuses on two novel joining technologies, the Flow Drill Joining (FDJ) method and Spin-Blind-Riveting (SBR), which were developed for joining heavy-duty metal/composite hybrids. Tests were carried out with material combinations which are significant for lightweight constructions such as aluminium (AA5083) and carbon fibre-reinforced polyamide in sheet thickness of 1.8 mm. The mechanical testing and manufacturing of those multi-material joints was investigated.}, language = {en} } @techreport{KrollNendelSeidlitzetal., author = {Kroll, Lothar and Nendel, Wolfgang and Seidlitz, Holger and Gerstenberger, Colin and Osiecki, Tomasz}, title = {Bauweisenkonzepte und Auslegung von Krafteinleitungsbereichen bei Hybridstrukturen aus Faser-Kunststoff/Metall-Verbunden im Fahrzeugbau}, publisher = {Europ{\"a}ische Forschungsgesellschaft f{\"u}r Blechverarbeitung e.V.}, address = {Hannover}, isbn = {978-3-86776-463-6}, pages = {170, XIV}, abstract = {Als Teil des DFG/AiF-Clusters „Großserientaugliche Prozessketten f{\"u}r hochintegrierte Bauteile aus hybriden Faser-Kunststoff / Metall-Verbunden" erfolgte im AiF-Projekt 17688 BR/1 die methodische Entwicklung von großserientauglichen Bauweisenkonzepten f{\"u}r Hybridstrukturen aus thermoplastbasierten Faser-Kunststoff/Metall-Verbunden (FK/M-Verbunden) im Fahrzeugbau sowie die Erarbeitung von belastungsgerechten Krafteinlei-tungsbereichen zur Integration der neuartigen Bauteile in metallische Strukturen. Die Pro-jektergebnisse wurden in Form von drei generischen Technologiedemonstratoren am Beispiel von hybriden Pkw-Dachquertr{\"a}gern veranschaulicht. Dabei wurden zwei Demonstratoren aus FK/M-Verbunden mit Stahl- (HC220Y+ZE, t = 0,25 mm) bzw. Aluminiumdeckschichten (EN AW 5182, t = 0,2 mm) und ein Faser-Kunststoff-Verbund-Dachquertr{\"a}ger (Kohlenstofffaserverst{\"a}rktes Polyamid 6) mit metallischen Lasteinleitungselementen (HC260LAD+Z100 bzw. AA5754-W, t = 1,0 mm) konzipiert. Im Vergleich zu einer Referenzgeometrie in Stahlbauweise (t = 1,0 mm) konnte bei ver-gleichbaren Steifigkeitseigenschaften eine Masseeinsparung von bis zu 55\% mit FK/M-Verbunden und etwa 64\% in Faser-Kunststoff-Verbundbauweise prognostiziert werden. Die simulativ ermittelten Ergebnisse werden in Teilprojekt 5 des Clusters experimentell validiert. Im Hinblick auf eine werkstoffgerechte Anbindung der stark anisotropen Bauteile an metallische Grundstrukturen wurden Untersuchungen zum Thermomechanischen Ausformf{\"u}geverfahren (TAF) und dem Kleben mittels 2K-Epoxid- und 2K-Polyurethanklebstoffen durchgef{\"u}hrt. Anders als bei etablierten Verfahren aus dem Metallbau, wie dem Nieten, Clinchen oder Schrauben, die auf spanend gebohrten Durchgangsl{\"o}chern im Faser-Kunststoff-Verbund oder F{\"u}geelementen mit Schneidanteil basieren, findet bei den untersuchten Verfahren keine Sch{\"a}digung der Faserstruktur statt. Die Ergebnisse aus Kopf- und Scherzugversuchen nach DIN EN ISO 14272 und DIN EN ISO 14273 zeigen eine prinzipielle Eignung des TAF-Verfahrens, sowohl f{\"u}r die Verbindung von FK/M-Hybridlaminaten, als auch FKV mit Metall. In Zugscherpr{\"u}fungen nach DIN EN 1465 wurde der Einfluss verschiedener Vorbehandlungsmaßnahmen auf die Haftfestigkeit der geklebten Zugscherproben ermittelt. Dabei erwies sich insbesondere die Kombination aus Korundstrahlen und Beflammen mittels Flammenpyrolyse als zielf{\"u}hrend. Nach Ermittlung der ben{\"o}tigten Kennwerte wurde eine Simulations- und Auslegungsstrategie f{\"u}r kraftflussgerechte F{\"u}gepunkte am Beispiel von thermomechanisch gef{\"u}gten Verbindungen vorgestellt. Aufgrund der anisotropiespezifischen, inhomogenen dreidimensionalen Spannungszust{\"a}nde in der Umgebung von FKV-F{\"u}gezonen wird eine schnittreaktionsbezogene Methodik zur Auslegung von FK/M-F{\"u}gezonen empfohlen. In Verbindung mit einer entsprechenden Versagenshypothese erlaubt diese auf Basis von einfachen F{\"u}gepunkt-Ersatzmodellen eine einfache ingenieurm{\"a}ßige Analyse des F{\"u}gepunktversagens durch Auslesen der Schnittreaktionen. Des Weiteren wurden in Zusammenarbeit mit TP5 zwei Prozessvarianten zur fertigungs-technischen Umsetzung der hybriden Dachquertr{\"a}ger aufgestellt. In ersten Vorversuchen konnte daran bereits die Herstellung erster Demonstratoren erfolgreich durchgef{\"u}hrt wer-den, die im Rahmen des 35. EFB-Kolloquiums am 25.03.2015 in Bad Boll sowie im EFB-Arbeitskreis Hybride Strukturen am 21.01.2015 in Dresden und 17.06.2015 in Rostock vorgestellt wurden. Das Ziel des Forschungsvorhabens wurde erreicht. Das IGF-Vorhaben „Bauweisenkonzepte und Auslegung von Krafteinleitungsbereichen bei Hybridstrukturen aus Faser-Kunststoff/Metall-Verbunden im Fahrzeugbau" wurde im Rahmen des AiF/DFG-Clusters „Großserientaugliche Prozessketten f{\"u}r hochintegrierte Bauteile aus hybriden Faser-Kunststoff/Metall-Verbunden" unter der F{\"o}rdernummer AiF 17688BR/1 von der Forschungsvereinigung EFB e.V. finanziert und betreut und {\"u}ber die Arbeitsgemeinschaft industrieller Forschungsvereinigungen (AiF) im Rahmen des Programms zur F{\"o}rderung der industriellen Gemeinschaftsforschung und -entwicklung (IGF) vom Bundesministerium f{\"u}r Wirtschaft und Technologie aufgrund eines Beschlusses des Deutschen Bundestages gef{\"o}rdert. Der Abschlussbericht ist als EFB-Forschungsbericht Nr. 417 erschienen und bei der EFB-Gesch{\"a}ftsstelle und im Buchhandel erh{\"a}ltlich.}, language = {de} } @misc{SchulzeSeidlitzKoenigetal., author = {Schulze, Marcus and Seidlitz, Holger and K{\"o}nig, Franziska and Weiß, Sabine}, title = {Highly wear resistant PVD coatings for CFRP based multi-layer construction}, series = {11th International Scientific-Technical Conference on Advances in Plastics Technology (APT'15)}, journal = {11th International Scientific-Technical Conference on Advances in Plastics Technology (APT'15)}, address = {Gliwice}, isbn = {978-83-63555-47-4}, language = {en} } @misc{SeidlitzSiegelHackertetal., author = {Seidlitz, Holger and Siegel, Carolin and Hackert, Alexander and Kroll, Lothar and Wagenf{\"u}hr, Andr{\´e}}, title = {Prozessketten zur Herstellung und Integration von naturfaserverst{\"a}rkten Hochleistungskunststoffen}, series = {Zeitschrift Kunststofftechnik}, volume = {11}, journal = {Zeitschrift Kunststofftechnik}, number = {1}, issn = {1864-2217}, doi = {10.3139/O999.01012015}, pages = {1 -- 24}, language = {de} } @inproceedings{ScholzSchieckMuelleretal., author = {Scholz, Peter and Schieck, Frank and M{\"u}ller, Roland and Seidlitz, Holger and Gerstenberger, Colin and Osiecki, Tomasz and Behrens, Bernd-Arno and Vucetic, Milan and Grbic, Nenad and Neumann, Andr{\´e}}, title = {Umformprozessketten f{\"u}r Bauteile aus Faser-Kunststoff/Metall-Verbunden}, series = {Intermezzo der hybriden Werkstoffl{\"o}sungen: Hat Blech eine Zukunft?, Tagungsband des 35. EFB-Kolloquiums Blechverarbeitung 2015 am 24. und 25. M{\"a}rz 2015 in Bad Boll}, booktitle = {Intermezzo der hybriden Werkstoffl{\"o}sungen: Hat Blech eine Zukunft?, Tagungsband des 35. EFB-Kolloquiums Blechverarbeitung 2015 am 24. und 25. M{\"a}rz 2015 in Bad Boll}, publisher = {Europ{\"a}ische Forschungsgesellschaft f{\"u}r Blechverarbeitung e.V.}, address = {Hannover}, isbn = {978-3-86776-452-0}, pages = {151 -- 171}, abstract = {Im Rahmen des DFG-AiF-Clustervorhabens »Großserientaugliche Prozessketten f{\"u}r hochintegrierte Bauteile aus hybriden Faser-Kunststoff / Metall-Verbunden« besch{\"a}ftigt sich das Fraunhofer IWU, die TU Chemnitz und das IFUM mit der Entwicklung großserienf{\"a}higer Prozessketten zur effizienten Verarbeitung von Faser-Kunststoff / Metall (FK/M)-Verbunden zu konturierten Werkst{\"u}cken, insbesondere unter Ber{\"u}cksichtigung der Anforderungen aus der Automobilindustrie. Dazu werden zwei grundlegende serienf{\"a}hige Prozessketten f{\"u}r die Fertigung profilierter Bauteile entwickelt: Bei der Prozesskette 1 werden ebene FKM-Verbunde, bestehend aus optimiertem thermoplastischen Faser-Kunststoff und d{\"u}nnwandigen Metalldecklagen, thermisch unterst{\"u}tzt zu profilierten Strukturbauteilen umgeformt. Die Prozesskette 2 behandelt eine neue Prozessvariante, bei der w{\"a}hrend der gemeinsamen Umformung von thermoplastischen Faser-Kunst¬stoff-Verbunden und metallischen Blechen die Verbindung der Einzelwerkstoffe zu hybriden Strukturen prozessintegriert erfolgt. Bei der Technologieentwicklung wird die gesamte Prozesskette von der Temperierung der Materialien {\"u}ber das Handling der Einzelkomponenten bis hin zur Umformung und Abk{\"u}hlung der Teile unter Druckbeanspruchung betrachtet. F{\"u}r diese Prozesskette wird ein Werkzeug ausgelegt und unter seriennahen Bedingungen umgesetzt. Die Machbarkeit beider Prozessvarianten wird an einem Technologiedemonstrator nachgewiesen und hinsichtlich der Prozessf{\"a}higkeit und der Verfahrensgrenzen miteinander verglichen. Als branchenspezifischer Technologiedemonstrator wurde gemeinsam mit den projektbegleitenden Firmen der Dachquertr{\"a}ger einer PKW-Karosserie ausgew{\"a}hlt. An der fertiggestellten Komponente werden die mechanischen Bauteileigenschaften bei statischer Belastung gepr{\"u}ft. Ziel ist die Bewertung des Einsatzpotentials der untersuchten FK/M-Verbunde in Karosseriestrukturen von PKWs unter Leichtbaugesichtspunkten. Auf Basis des erarbeiteten Prozess-Know-hows k{\"o}nnen die Prozesszeiten und -kosten belastbar kalkuliert werden. Damit steht der Industrie zum Abschluss des Verbundprojekts ein umfassendes Instrument zur prozessorientierten Bauteilauslegung, Technologieplanung und Kalkulation anwendungsbereit f{\"u}r die Serienfertigung zur Verf{\"u}gung.}, language = {de} } @misc{OsieckiGerstenbergerSeidlitzetal., author = {Osiecki, Tomasz and Gerstenberger, Colin and Seidlitz, Holger and Hackert, Alexander and Kroll, Lothar}, title = {Behavior of Cathodic Dip Paint Coated Fiber Reinforced Polymer/Metal Hybrids}, series = {International Journal of Engineering Sciences \& Research Technology}, volume = {4}, journal = {International Journal of Engineering Sciences \& Research Technology}, number = {2}, issn = {2277-9655}, pages = {146 -- 150}, language = {en} } @misc{SeidlitzGerstenbergerOsieckietal., author = {Seidlitz, Holger and Gerstenberger, Colin and Osiecki, Tomasz and Simon, Sylvio and Kroll, Lothar}, title = {High-performance lightweight structures with Fiber Reinforced Thermoplastics and Structured Metal Thin Sheets}, series = {Journal of Materials Science Research}, volume = {4}, journal = {Journal of Materials Science Research}, number = {1}, issn = {1927-0585}, doi = {10.5539/jmsr.v4n1p28}, pages = {28 -- 35}, language = {en} } @misc{OsieckiSeidlitzGerstenbergeretal., author = {Osiecki, Tomasz and Seidlitz, Holger and Gerstenberger, Colin and Kroll, Lothar and Scholz, Peter}, title = {Customized Metal/Composite Hybrids for Automotive Applications}, series = {AutoMetForm - SFU 2014, new materials for vehicle components, november 3rd to 5th 2014, Freiberg, Saxony, conference proceedings}, journal = {AutoMetForm - SFU 2014, new materials for vehicle components, november 3rd to 5th 2014, Freiberg, Saxony, conference proceedings}, publisher = {Institut f{\"u}r Metallformung}, address = {Freiberg}, isbn = {978-3-86012-490-1}, pages = {29 -- 36}, language = {en} } @misc{SeidlitzUlkeWinterGerstenbergeretal., author = {Seidlitz, Holger and Ulke-Winter, Lars and Gerstenberger, Colin and Kroll, Lothar}, title = {Dimensioning of Punctiform Metal-Composite Joints: A Section-Force Related Failure Criterion}, series = {Open Journal of Composite Materials}, volume = {4}, journal = {Open Journal of Composite Materials}, number = {3}, issn = {2164-5655}, doi = {10.4236/ojcm.2014.43018}, pages = {157 -- 172}, abstract = {Reliable line production processes and simulation tools play a central role for the structural integration of thermoplastic composites in advanced lightweight constructions. Provided that material-adapted joining technologies are available, they can be applied in heavy-duty multi-material designs (MMD). A load-adapted approach was implemented into the new fully automatic and faulttolerant thermo mechanical flow drill joining (FDJ) concept. With this method it is possible to manufacture reproducible high strength FRP/metal-joints within short cycle times and without use of extra joining elements for the first time. The analysis of FDJ joints requires a simplified model of the joint to enable efficient numerical simulations. The present work introduces a strategy in modeling a finite-element based analogous-approach for FDJ-joints with glass fiber reinforced polypropylene and high-strength steel. Combined with a newly developed section-force related failure criterion, it is possible to predict the fundamental failure behavior in multi-axial stress states. The functionality of the holistic approach is illustrated by a demonstrator that represents a part of a car body-in-white structure. The comparison of simulated and experimentally determined failure loads proves the applicability for several combined load cases.}, language = {en} } @inproceedings{OsieckiSeidlitzGerstenbergeretal., author = {Osiecki, Tomasz and Seidlitz, Holger and Gerstenberger, Colin and Kroll, Lothar and Scholz, Peter}, title = {Heavy-Duty Hybrid Laminates for Automotive Mass Production}, series = {Materials Science Engineering Congress 2014 (MSE 2014), Darmstadt, 2014}, booktitle = {Materials Science Engineering Congress 2014 (MSE 2014), Darmstadt, 2014}, url = {http://nbn-resolving.de/urn:nbn:de:0011-n-3364468}, pages = {24}, language = {en} } @misc{SeidlitzKroll, author = {Seidlitz, Holger and Kroll, Lothar}, title = {Hochfeste Mischbauweisen mit thermoplastischen Faserverbunden und Metallen}, series = {Joining Plastics - F{\"u}gen von Kunststoffen}, volume = {8}, journal = {Joining Plastics - F{\"u}gen von Kunststoffen}, number = {2}, issn = {1864-3450}, pages = {106 -- 111}, language = {de} } @inproceedings{SeidlitzGerstenbergerSiegeletal., author = {Seidlitz, Holger and Gerstenberger, Colin and Siegel, Carolin and Kroll, Lothar and Wagenf{\"u}hr, Andr{\´e}}, title = {Naturfaserverst{\"a}rkte Kunststoffe f{\"u}r hochbelastbare Mischbauweisen}, series = {1. Ingenieurtag 2014, Veranstaltung der Fakult{\"a}t Ingenieurwissenschaften und Informatik der Brandenburgischen Technischen Universit{\"a}t Cottbus-Senftenberg auf dem Campus Senftenberg am 19.11.2014}, booktitle = {1. Ingenieurtag 2014, Veranstaltung der Fakult{\"a}t Ingenieurwissenschaften und Informatik der Brandenburgischen Technischen Universit{\"a}t Cottbus-Senftenberg auf dem Campus Senftenberg am 19.11.2014}, editor = {Lehmann, Kathrin and Simon, Sylvio and Stein, Erhard}, publisher = {Brandenburgische Techn. Univ. Cottbus}, address = {Senftenberg}, isbn = {3-9810211-7-7}, pages = {39}, language = {de} } @misc{SeidlitzUlkeWinterKroll, author = {Seidlitz, Holger and Ulke-Winter, Lars and Kroll, Lothar}, title = {New Joining Technology for Optimized Metal/Composite Assemblies}, series = {Journal of Engineering}, journal = {Journal of Engineering}, issn = {2314-4912}, doi = {doi:10.1155/2014/958501}, pages = {958501}, abstract = {The development of a new joining technology, which is used to manufacture high strength hybrid constructions with thermoplastic composites (FRP) and metals, is introduced. Similar to natural regulation effects at trees, fibers around the FRP joint become aligned along the lines of force and will not be destroyed by the joining process. This is achieved by the local utilization of the specific plastic flow properties of the FRT and metal component. Compared with usual joining methods—such as flow drill screws, blind and self-piercing rivets—noticeably higher tensile properties can be realized through the novel process management. The load-bearing capability increasing effect could be proved on hybrid joints with hot-dip galvanized steel HX420LAD and orthotropic glass—as well as carbon—fiber reinforced plastics. The results, which were determined in tensile-shear and cross-shear tests according to DIN EN ISO 14273 and DIN EN ISO 14272, are compared with holding loads of established joining techniques with similar joining point diameter and material combinations.}, language = {en} } @misc{SeidlitzUlkeWinterKroll, author = {Seidlitz, Holger and Ulke-Winter, Lars and Kroll, Lothar}, title = {Prozess- und festigkeitsoptimiertes Multi-Material-Design mit thermoplastischen Faserverbunden und Metallen}, series = {Konstruktion Zeitschrift f{\"u}r Produktentwicklung und Ingenieur-Werkstoffe}, journal = {Konstruktion Zeitschrift f{\"u}r Produktentwicklung und Ingenieur-Werkstoffe}, number = {11-12}, issn = {0720-5953}, pages = {75 -- 79}, language = {de} } @misc{SeidlitzFritzscheSchulzeetal., author = {Seidlitz, Holger and Fritzsche, Sebastian and Schulze, Marcus and Schumann, T.}, title = {Gewichtsreduzierte Multi-Material-Bauweisen mit Organoblechen}, editor = {Wagenf{\"u}hr, Andr{\´e}}, publisher = {Institut f{\"u}r Holz- und Papiertechnik}, address = {Dresden}, isbn = {978-3-86780-476-9}, language = {de} } @misc{KrollUlkeWinterSeidlitz, author = {Kroll, Lothar and Ulke-Winter, Lars and Seidlitz, Holger}, title = {CFRP coupling for towing and shunting trains}, series = {Plastics : the global application medium}, volume = {1}, journal = {Plastics : the global application medium}, number = {3-4}, issn = {2195-4577}, pages = {S. 7}, language = {en} } @inproceedings{SeidlitzNendelKrolletal., author = {Seidlitz, Holger and Nendel, Wolfgang and Kroll, Lothar and Ulke-Winter, Lars}, title = {Energie- und ressourceneffiziente Leichtbauf{\"u}gezange zur Herstellung von Mehrkomponentenbauteilen in Mischbauweise}, series = {Zentrales Innovationsprogramm Mittelstand (ZIM), Fachworkshop Elektromobilit{\"a}t, Berlin, 2012}, booktitle = {Zentrales Innovationsprogramm Mittelstand (ZIM), Fachworkshop Elektromobilit{\"a}t, Berlin, 2012}, pages = {14}, language = {de} } @misc{KolshornKrollSeidlitzetal., author = {Kolshorn, Kay-Uwe and Kroll, Lothar and Seidlitz, Holger and Ulke-Winter, Lars and M{\"u}ller, S. and Czech, Adam and Hoyer, K.-H. and Grothaus, R.}, title = {Erste CFK-Kupplung f{\"u}r Schienenfahrzeuge}, series = {Fachzeitschrift Lightweight Design}, journal = {Fachzeitschrift Lightweight Design}, number = {5}, issn = {1865-4819}, pages = {38 -- 43}, language = {de} } @inproceedings{SeidlitzKreuziger, author = {Seidlitz, Holger and Kreuziger, Reymond}, title = {Anwendungen von Faserverbundwerkstoffen im Hochleistungsbereich}, series = {11. Chemnitzer Textiltechnik-Tagung, Chemnitz, 24. und 25. Oktober 2007}, booktitle = {11. Chemnitzer Textiltechnik-Tagung, Chemnitz, 24. und 25. Oktober 2007}, publisher = {Institut f{\"u}r Allgemeinen Maschinenbau und Kunststofftechnik [u.a.]}, address = {Chemnitz}, pages = {21 -- 28}, language = {de} } @misc{SeidlitzCzechUlkeWinteretal., author = {Seidlitz, Holger and Czech, Adam and Ulke-Winter, Lars and Kroll, Lothar}, title = {Thermomechanisches Ausformf{\"u}gen f{\"u}r thermoplastische FVK}, series = {Lightweight Design}, volume = {4}, journal = {Lightweight Design}, number = {3}, issn = {2192-8738}, doi = {10.1365/s35725-011-0027-6}, pages = {16 -- 23}, language = {de} } @inproceedings{CzechNaumannSeidlitzetal., author = {Czech, Adam and Naumann, M. and Seidlitz, Holger and Nendel, Wolfgang and Kroll, S.}, title = {Anforderungen an industrielle Bildverarbeitungssysteme bei Online {\"U}berwachung kontinuierlicher Herstellverfahren f{\"u}r Faserverbundstrukturen}, series = {Technomer 2013, 23. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 14. bis 15. November 2013}, booktitle = {Technomer 2013, 23. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 14. bis 15. November 2013}, editor = {Gehde, Michael and Wagenknecht, Udo and Bloß, Peter}, publisher = {Inst. f{\"u}r F{\"o}rdertechnik und Kunststoffe [u.a.]}, address = {Chemnitz}, isbn = {978-3-939382-11-9}, pages = {S. 156}, language = {de} } @misc{KrollUlkeWinterSeidlitz, author = {Kroll, Lothar and Ulke-Winter, Lars and Seidlitz, Holger}, title = {Der Trick: CFK statt Stahl}, series = {Technische Rundschau. Das Schweizer Industriemagazin}, volume = {105}, journal = {Technische Rundschau. Das Schweizer Industriemagazin}, number = {4}, issn = {1023-0823}, pages = {62 -- 63}, language = {de} } @misc{GerstenbergerSeidlitzUlkeWinteretal., author = {Gerstenberger, Colin and Seidlitz, Holger and Ulke-Winter, Lars and Kroll, Lothar}, title = {Dimensionierung thermomechanisch ausgeformter Verbindungen}, series = {Technomer 2013, 23. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 14. bis 15. November 2013}, journal = {Technomer 2013, 23. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, 14. bis 15. November 2013}, editor = {Gehde, Michael and Wagenknecht, Udo and Bloß, Peter}, publisher = {Inst. f{\"u}r F{\"o}rdertechnik und Kunststoffe [u.a.]}, address = {Chemnitz}, isbn = {978-3-939382-11-9}, pages = {S. 168}, language = {de} } @incollection{SeidlitzCzechUlkeWinteretal., author = {Seidlitz, Holger and Czech, Adam and Ulke-Winter, Lars and Kroll, Lothar}, title = {Thermomechanisches Ausformf{\"u}gen f{\"u}r thermoplastische FVK}, series = {Jahrbuch lighweightdesign - JOT - adh{\"a}sion: Top-Innovationen aus dem Leichtbau, der Oberfl{\"a}chen- und Klebtechnik}, booktitle = {Jahrbuch lighweightdesign - JOT - adh{\"a}sion: Top-Innovationen aus dem Leichtbau, der Oberfl{\"a}chen- und Klebtechnik}, isbn = {978-3-658-00985-4}, pages = {3 -- 11}, language = {de} } @misc{SeidlitzKrollUlkeWinter, author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars}, title = {Heavy-Duty Lightweight Structures: Force Flux-Maintaining Spot Connections}, series = {Kunststoffe International}, volume = {2011}, journal = {Kunststoffe International}, number = {3}, issn = {1862-4243}, pages = {25 -- 28}, language = {en} } @misc{KrollSeidlitzUlkeWinter, author = {Kroll, Lothar and Seidlitz, Holger and Ulke-Winter, Lars}, title = {Herstellung hochbelasteter Leichtbaustrukturen in Mischbauweise}, series = {Tagungsband zum 18. Symposium Verbundwerkstoffe und Werkstoffverbunde, Chemnitz, 30.03. bis 01.04.2011}, journal = {Tagungsband zum 18. Symposium Verbundwerkstoffe und Werkstoffverbunde, Chemnitz, 30.03. bis 01.04.2011}, editor = {Wielage, Bernhard}, publisher = {IWW}, address = {Chemnitz}, isbn = {978-3-00-033801-4}, pages = {360 -- 365}, language = {de} } @misc{SeidlitzKrollUlkeWinter, author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars}, title = {Kraftflussgerechte Punktverbindungen - Hochbelastete Leichtbaustrukturen}, series = {Zeitschrift Kunststoffe}, volume = {101}, journal = {Zeitschrift Kunststoffe}, number = {3}, issn = {0023-5563}, pages = {50 -- 53}, language = {de} } @misc{KrollCzechSeidlitzetal., author = {Kroll, Lothar and Czech, Adam and Seidlitz, Holger and Ulke-Winter, Lars and M{\"u}ller, Sascha}, title = {Mechanisches Verhalten von CFK-Scheiben mit variabelaxialem Faserverlauf auf Basis der Tailored-Fibre-Placement-Technologie unter Bolzenbelastung}, series = {Tagungsband zum 18. Symposium Verbundwerkstoffe und Werkstoffverbunde, Chemnitz, 30.03. bis 01.04.2011}, journal = {Tagungsband zum 18. Symposium Verbundwerkstoffe und Werkstoffverbunde, Chemnitz, 30.03. bis 01.04.2011}, editor = {Wielage, Bernhard}, publisher = {IWW}, address = {Chemnitz}, isbn = {978-3-00-033801-4}, pages = {585 -- 590}, language = {de} } @misc{UlkeWinterKrollSeidlitz, author = {Ulke-Winter, Lars and Kroll, Lothar and Seidlitz, Holger}, title = {Discrete optimization of laminate stacking sequence according to failure criteria}, series = {Recent Developments in Artificial Intelligence Methods, AI-METH 2009}, journal = {Recent Developments in Artificial Intelligence Methods, AI-METH 2009}, publisher = {Silesian University of Technology}, address = {Gliwice}, isbn = {83-60759-15-4}, pages = {57 -- 58}, language = {en} } @misc{SeidlitzKrollUlkeWinter, author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars}, title = {Faserverbundgerechte Krafteinleitungssysteme f{\"u}r Hochleistungskomponenten in Mischbauweise}, series = {Technomer 2009, 21. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, Chemnitz, 2009, Plenum, Vortr{\"a}ge, Posterbeitr{\"a}ge, Kurzfassungen}, journal = {Technomer 2009, 21. Fachtagung {\"u}ber Verarbeitung und Anwendung von Polymeren, Chemnitz, 2009, Plenum, Vortr{\"a}ge, Posterbeitr{\"a}ge, Kurzfassungen}, editor = {Gehde, Michael and Wagenknecht, Udo and Bloß, Peter}, publisher = {Institut f{\"u}r Allgemeinen Maschinenbau und Kunststofftechnik, Techn. Univ. [u.a.]}, address = {Chemnitz}, isbn = {978-3-939382-09-6}, pages = {S. 55}, language = {de} } @misc{SeidlitzKrollUlkeWinteretal., author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars and Schumann, Tilo}, title = {Krafteinleitungssysteme bei hybriden Hochleistungskomponenten}, series = {Innovation mit textilen Strukturen, 12. Chemnitzer Textiltechnik-Tagung, 30. September und 1. Oktober 2009}, journal = {Innovation mit textilen Strukturen, 12. Chemnitzer Textiltechnik-Tagung, 30. September und 1. Oktober 2009}, editor = {Meynerts, Peter}, publisher = {Institut f{\"u}r Allgemeinen Maschinenbau und Kunststofftechnik [u.a.]}, address = {Chemnitz}, isbn = {978-3-9812554-3-0}, pages = {220 -- 230}, language = {de} } @misc{SeidlitzKrollUlkeWinter, author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars}, title = {Kraftflussgerechte Verbindungstechniken f{\"u}r Hochleistungskomponenten in Mischbauweise}, series = {Leichtbau-Kongress, Salzburg, 23. - 25. Juni 2009, EuroLITE, Internationale Fachmesse f{\"u}r Leichtbaukonstruktion}, journal = {Leichtbau-Kongress, Salzburg, 23. - 25. Juni 2009, EuroLITE, Internationale Fachmesse f{\"u}r Leichtbaukonstruktion}, publisher = {Hochschule}, address = {Landshut}, language = {de} } @misc{SeidlitzKrollUlkeWinter, author = {Seidlitz, Holger and Kroll, Lothar and Ulke-Winter, Lars}, title = {Load adjusted joining technology for Composite-Metal Hybrids}, series = {Recent Developments in Artificial Intelligence Methods, AI-METH 2009}, journal = {Recent Developments in Artificial Intelligence Methods, AI-METH 2009}, publisher = {Silesian University of Technology}, address = {Gliwice}, isbn = {83-60759-15-4}, doi = {10.1155/2014/958501}, pages = {51 -- 52}, language = {en} } @inproceedings{SchleussSeidlitzFritzscheetal., author = {Schleuß, Leander and Seidlitz, Holger and Fritzsche, Sebastian and Schulze, Marcus and Michailov, Vesselin and Schuhmann, Tilo}, title = {Gewichtsreduzierte Multi-Material-Bauweisen mit Organoblechen}, series = {Tagungsband, 15. Chemnitzer Textiltechnik-Tagung, Chemnitz, Germany, 31.05-01.06.2016}, booktitle = {Tagungsband, 15. Chemnitzer Textiltechnik-Tagung, Chemnitz, Germany, 31.05-01.06.2016}, publisher = {Technische Universit{\"a}t Chemnitz, Professur F{\"o}rdertechnik}, address = {Chemnitz}, isbn = {978-3-945479-06-3}, pages = {112 -- 119}, language = {de} } @misc{BoettgerMeyerMartinetal., author = {B{\"o}ttger, Philipp and Meyer, Marcel and Martin, J{\"o}rg and Otto, Thomas Walter and Geßner, Thomas and Seidlitz, Holger and Kroll, Lothar}, title = {Integrateable light sources based on semiconductor nanocrystal}, series = {Smart Systems Integration 2014, Aachen, 2014}, journal = {Smart Systems Integration 2014, Aachen, 2014}, editor = {Geßner, Thomas}, publisher = {Apprimus Verlag}, address = {Aachen}, isbn = {978-3-86359-201-1}, pages = {451 -- 454}, language = {en} } @inproceedings{HaaseReinholdWolletal., author = {Haase, Florian Vincent and Reinhold, Maximilian and Woll, Ralf and Wolf, Matthias and Seidlitz, Holger}, title = {Reliability capability assessment of cooperative networks using the example of developing demonstrators of structured materials}, series = {Risk, Reliability and Safety: Innovating Theory and Practice, Proceedings of the ESREL 2016, Glasgow (United Kingdom)}, booktitle = {Risk, Reliability and Safety: Innovating Theory and Practice, Proceedings of the ESREL 2016, Glasgow (United Kingdom)}, editor = {Walls, Lesley and Revie, Matthew and Bedford, Tim}, publisher = {CRC Press}, address = {Boca Raton}, isbn = {978-1-138-02997-2}, pages = {1323 -- 1329}, language = {en} } @inproceedings{SeidlitzBambachFritzscheetal., author = {Seidlitz, Holger and Bambach, Markus and Fritzsche, Sebastian and Gerstenberger, Colin}, title = {High load-bearing multi-material-joints for metal sheets and composites by incremental in-situ forming processes}, series = {ESAFORM 2016, proceedings of the 19th International ESAFORM Conference on Material Forming, conference date: 27-29 April 2016, Nantes, France}, booktitle = {ESAFORM 2016, proceedings of the 19th International ESAFORM Conference on Material Forming, conference date: 27-29 April 2016, Nantes, France}, publisher = {AIP Publishing}, address = {Melville, NY}, isbn = {978-0-7354-1427-3}, doi = {10.1063/1.4963464}, language = {en} } @inproceedings{MaqboolElzeSeidlitzetal., author = {Maqbool, Fawad and Elze, Lars and Seidlitz, Holger and Bambach, Markus}, title = {Comparison of Manufacturing of Lightweight Corrugated Sheet Sandwiches by Hydroforming and Incremental Sheet Forming}, series = {ESAFORM 2016, proceedings of the 19th International ESAFORM Conference on Material Forming, conference date: 27-29 April 2016, Nantes, France}, booktitle = {ESAFORM 2016, proceedings of the 19th International ESAFORM Conference on Material Forming, conference date: 27-29 April 2016, Nantes, France}, publisher = {AIP Publishing}, address = {Melville, NY}, isbn = {978-0-7354-1427-3}, doi = {10.1063/1.4963456}, language = {en} } @inproceedings{SeidlitzKukeTsombanis, author = {Seidlitz, Holger and Kuke, Felix and Tsombanis, Nikolas}, title = {Leichtbautechnologien und Mischbauweisen mit Faser-Kunststoff-Verbunden}, series = {Innovationsforum des Regionalen Wachstumskerns Westlausitz, Cottbus, 2016}, booktitle = {Innovationsforum des Regionalen Wachstumskerns Westlausitz, Cottbus, 2016}, pages = {19}, language = {de} } @inproceedings{SeidlitzFritzscheSchleussetal., author = {Seidlitz, Holger and Fritzsche, Sebastian and Schleuß, Leander and Ossenbrink, Ralf and Michailov, Vesselin}, title = {Neuartige F{\"u}getechnologie zum Herstellen von hochbelastbaren Multi-Material-Bauweisen aus textilverst{\"a}rkten Kunststoffen und Metallen bei einseitiger Zug{\"a}nglichkeit der F{\"u}gestelle}, series = {DVS Congress 2016, Große Schweißtechnische Tagung, Vortr{\"a}ge der Veranstaltungen in Leipzig am 19. und 20. September 2016}, booktitle = {DVS Congress 2016, Große Schweißtechnische Tagung, Vortr{\"a}ge der Veranstaltungen in Leipzig am 19. und 20. September 2016}, publisher = {DVS-Verlag}, address = {D{\"u}sseldorf}, isbn = {978-3-945023-74-7}, pages = {424 -- 428}, language = {de} } @inproceedings{FritzscheSeidlitzWinkelmannetal., author = {Fritzsche, Sebastian and Seidlitz, Holger and Winkelmann, Kai and Michailov, Vesselin}, title = {Structural reinforced FRP sandwich constructions for lightweight floor panels}, series = {Conference papers, APT '15, 11th International Conference Advances in Plastics Technology, Sosnowiec, 13 - 15 October 2015}, booktitle = {Conference papers, APT '15, 11th International Conference Advances in Plastics Technology, Sosnowiec, 13 - 15 October 2015}, editor = {Pająk, Anna}, address = {Gliwice}, isbn = {978-83-63555-47-4}, language = {en} } @inproceedings{GerstenbergerSeidlitzOsieckietal., author = {Gerstenberger, Colin and Seidlitz, Holger and Osiecki, Tomasz and Kroll, Lothar}, title = {Bionic Inspired High Stressable Joints for Multi-material Constructions with FRP and Metals}, series = {Materials Science Engineering (MSE 2014), Darmstadt, 2014}, booktitle = {Materials Science Engineering (MSE 2014), Darmstadt, 2014}, language = {en} } @inproceedings{SchulzeSeidlitzKoenigetal., author = {Schulze, Marcus and Seidlitz, Holger and K{\"o}nig, Franziska and Weiß, Sabine}, title = {Nanoindentation measurements of PVD coated multilayer constructions}, series = {Programme and proceedings of the 22nd Winter International Scintific Conference on Achivements in Mechanical and Materials Engineering (AMME'15), Gliwice - Zakopane (Poland), 2015}, booktitle = {Programme and proceedings of the 22nd Winter International Scintific Conference on Achivements in Mechanical and Materials Engineering (AMME'15), Gliwice - Zakopane (Poland), 2015}, editor = {Dobrzański, Leszek A.}, publisher = {Gliwice}, address = {International OCSCO World Press}, isbn = {978-83-63553-39-5}, language = {en} } @misc{SeidlitzSimonElzeetal., author = {Seidlitz, Holger and Simon, Sylvio and Elze, Lars and Schulze, Marcus}, title = {Herstellung von strukturierten Leichtbaukomponenten}, language = {de} } @misc{SeidlitzElzeSchulze, author = {Seidlitz, Holger and Elze, Lars and Schulze, Marcus}, title = {Eigenschaften strukturierter Leichtbaukomponenten}, language = {de} } @inproceedings{HackertGerstenbergerOsieckietal., author = {Hackert, Alexander and Gerstenberger, Colin and Osiecki, Tomasz and Seidlitz, Holger}, title = {Hybrid sandwich composites with porous aluminum core and thermoplastic fiber-reinforced composite top layers}, series = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, booktitle = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, pages = {247 -- 248}, language = {en} } @inproceedings{OsieckiGerstenbergerHackertetal., author = {Osiecki, Tomasz and Gerstenberger, Colin and Hackert, Alexander and Kroll, Lothar and Seidlitz, Holger}, title = {Thermoplastic fiber reinforced/metal-hybrid laminates for structural lightweight applications}, series = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, booktitle = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, pages = {595 -- 596}, language = {en} } @inproceedings{GerstenbergerHackertOsieckietal., author = {Gerstenberger, Colin and Hackert, Alexander and Osiecki, Tomasz and Kroll, Lothar and Seidlitz, Holger}, title = {Load adjusted fiber reinforced polymer/metal joints in cathodic dip paint conditions}, series = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, booktitle = {Proceedings of the 23rd Annual International Conference on Composites/Nano Engineering (ICCE23), Chengdu (China), 2015}, pages = {227 -- 228}, language = {en} } @misc{SeidlitzFritzscheKlosheketal., author = {Seidlitz, Holger and Fritzsche, Sebastian and Kloshek, Alexander and Ambrosio, Marcello}, title = {Advanced welding technology for highly stressable multi material designs with fiber-reinforced plastics and metals}, series = {Open Journal of Composite Materials}, volume = {7}, journal = {Open Journal of Composite Materials}, number = {3}, issn = {2164-5655}, doi = {10.4236/ojcm.2017.73010}, pages = {166 -- 177}, abstract = {Organic sheets made out of fiber-reinforced thermoplastics are able to make a crucial contribution to increase the lightweight potential of a design. They show high specific strength- and stiffness properties, good damping characteristics and recycling capabilities, while being able to show a higher energy absorption capacity than comparable metal constructions. Nowadays, multi-material designs are an established way in the automotive industry to combine the benefits of metal and fiber-reinforced plastics. Currently used technologies for the joining of organic sheets and metals in large-scale production are mechanical joining technologies and adhesive technologies. Both techniques require large overlapping areas that are not required in the design of the part. Additionally, mechanical joining is usually combined with "fiber-destroying" pre-drilling and punching processes. This will disturb the force flux at the joining location by causing unwanted fiber- and inter-fiber failure and inducing critical notch stresses. Therefore, the multi-material design with fiber-reinforced thermoplastics and metals needs optimized joining techniques that don't interrupt the force flux, so that higher loads can be induced and the full benefit of the FRP material can be used. This article focuses on the characterization of a new joining technology, based on the Cold Metal Transfer (CMT) welding process that allows joining of organic sheets and metals in a load path optimized way, with short cycle times. This is achieved by redirecting the fibers around the joining area by the insertion of a thin metal pin. The path of the fibers will be similar to paths of fibers inside structures found in nature, e.g. a knothole inside of a tree. As a result of the bionic fiber design of the joint, high joining strengths can be achieved. The increase of the joint strength compared to blind riveting was performed and proven with stainless steel and orthotropic reinforced composites in shear-tests based on the DIN EN ISO 14273. Every specimen joined with the new CMT Pin joining technology showed a higher strength than specimens joined with one blind rivet. Specimens joined with two or three pin rows show a higher strength than specimens joined with two blind rivets.}, language = {en} } @misc{SanthanakrishnanBalakrishnanSeidlitzAmbrosioetal., author = {Santhanakrishnan Balakrishnan, Venkateswaran and Seidlitz, Holger and Ambrosio, Marcello and Schuhmann, Tilo}, title = {Study on the Quality of Quasi-Isotropic Composite Laminates Containing a Circular Hole}, series = {Journal of Materials Science Research}, volume = {6}, journal = {Journal of Materials Science Research}, number = {4}, issn = {1927-0593}, doi = {10.5539/jmsr.v6n4p67}, pages = {67 -- 78}, abstract = {Composite structures used in modern engineering applications are often subjected to circular holes in order to join with metal components via riveting, bolting or pinning joints. These design based holes will interrupt the force flux in the direction of the fibers and create high stress concentrations near the notched area. Objective of the project is to understand the quality of the quasi-isotropic composite laminates ([45°, -45°, 0°, 90°]S) containing circular hole. To achieve this objective, a 3-phase portal milling machine and a 5kW continuous wave (cw) CO2 laser system were used to produce the circular holes in the composite laminates. The processing parameters for both the processes are varied to understand its influence. The quality of the circular hole produced by these methods are further investigated and compared in order to arrive at the optimum processing parameters for the given quasi-isotropic composite laminates. The hole qualities were evaluated by means of delamination factor caused by milling; cone angle, matrix evaporation for cw-CO2 laser system. For further comparisons, the optimal parameter combinations of both methods were selected for a tensile test according to the standard ASTM D5766-2002.}, language = {en} }