@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{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{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} } @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{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} } @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} } @misc{HajhaririEberweinPerroneetal., author = {Hajhariri, Aliasghar and Eberwein, Robert and Perrone, Luca Pakj and Cozzani, Valerio and Otremba, Frank and Seidlitz, Holger}, title = {Study the impact of spacer at thermal degradation process of MLI-based insulation in fire condition}, series = {Journal of Loss Prevention in the Process Industries}, volume = {92}, journal = {Journal of Loss Prevention in the Process Industries}, publisher = {Elsevier BV}, issn = {0950-4230}, doi = {10.1016/j.jlp.2024.105461}, pages = {240 -- 248}, abstract = {To reduce CO2 emissions, energy carriers such as hydrogen are considered to be a solution. Consumption of hydrogen as a fuel meets several limitations such as its low volumetric energy density in gas phase. To tackle this problem, storage as well as transportation in liquified phase is recommended. To be able to handle this component in liquid phase, an efficient thermal insulation e.g., MLI insulation is required. Different studies have been addressed the vulnerability of such insulation against high thermal loads e.g., in an accident engaging fire. Some of research works have highlighted the importance of considering the MLI thermal degradation focusing on its reflective layer. However, limited number of studies addressed the thermal degradation of spacer material and its effect on the overall heat flux. In this study, through systematic experimental measurements, the effect of thermal loads on glass fleece, glass paper as well as polyester spacers are investigated. The results are reported in various temperature and heat flux profiles. Interpreting the temperature profiles revealed that, as the number of spacers in the medium increases, the peak temperature detectable by the temperature sensor on the measurement plate decreases. Each individual spacer contributes to mitigating the radiative energy received by the measurement plate. Stacks of 20-50 spacers (this is the number of layers in commercial MLI systems applied for liquid hydrogen applications) can potentially reduce the thermal radiation by 1-2 orders of magnitude. An empirical correlation to predict a heat flux attenuation factor is proposed, which is useful for further numerical and analytical studies in the temperature range from ambient to 300 °C.}, language = {en} } @misc{SeidlitzOstAmbrosioetal., author = {Seidlitz, Holger and Ost, Lucas and Ambrosio, Marcello and Kuke, Felix and Michailov, Vesselin and Shapovalov, Oleg and Doynov, Nikolay}, title = {Erw{\"a}rmung von Composites simulieren}, series = {Kunststoffe}, journal = {Kunststoffe}, number = {2}, issn = {0023-5563}, pages = {66 -- 70}, abstract = {Neuartige, werkstoffgerechte F{\"u}geverfahren f{\"u}r Faserkunststoffverbunde setzen die Erw{\"a}rmung der Materialien voraus. Um die damit verbundenen komplexen Temperaturfelder und -verl{\"a}ufe vorherzusagen, haben das Fraunhofer IAP und die BTU Cottbus-Senftenberg numerische Verfahren entwickelt. Mit diesen k{\"o}nnen auch verschiedene Strahlungsquellen und Prozessabl{\"a}ufe simuliert werden.}, language = {de} } @misc{ShapovalovOstKukeetal., author = {Shapovalov, Oleg and Ost, Lucas and Kuke, Felix and Doynov, Nikolay and Ambrosio, Marcello and Seidlitz, Holger and Michailov, Vesselin}, title = {Entwicklung und Analyse einer F{\"u}gestrategie f{\"u}r FKV/Metall-Mischverbindungen auf Basis der CMT-Pinschweißtechnik}, series = {Joining Plastics}, volume = {17}, journal = {Joining Plastics}, number = {1}, issn = {1864-3450}, pages = {28 -- 35}, abstract = {Dieser Beitrag stellt eine Entwicklung, Anpassung und Untersuchung der neuartigen Pinschweißtechnik zur Verbindung thermoplastischer Faserkunststoffverbunde mit metallischen F{\"u}gepartnern dar. Die untersuchte F{\"u}getechnik bietet, im Vergleich zu anderen Verfahren, neben einer einseitigen Zug{\"a}nglichkeit, ein hohes Leichtbaupotenzial. An Multimaterial-Einzelpinverbindungen wurden die CMT-Pinschweißbarkeit charakterisiert und unterschiedliche F{\"u}gestrategien erprobt und ausgewertet. Als Bewertungskriterien wurden das Schweißgut sowie der Faser- und Matrixerhalt in Abh{\"a}ngigkeit von den Schweißparametern untersucht. Die mechanische Beanspruchbarkeit der mit dem entwickelten Verfahren erstellten Verbindungen wurde in Scherzugversuchen ermittelt. An Mehrpinverbindungen wurde anschließend der Einfluss der Pinanordnung untersucht und die Auslegung der F{\"u}gezone analysiert. Der F{\"u}geprozess wurde an Funktionsmustern und diese wiederum in 3-Punkt-Biegeversuchen validiert sowie mit dem Kleben verglichen.}, language = {de} } @misc{SeidlitzMichailovOstetal., author = {Seidlitz, Holger and Michailov, Vesselin and Ost, Lucas and Kuke, Felix and Ambrosio, Marcello and Shapovalov, Oleg and Doynov, Nikolay}, title = {Simulation of Composites' Heating}, series = {Kunststoffe international}, volume = {113}, journal = {Kunststoffe international}, number = {4}, issn = {1862-4243}, pages = {60 -- 64}, abstract = {Modern material-compatible joining methods for fiber-reinforced plastics require the heating of the materials. In order to predict the respective complex temperature fields and curves, the Fraunhofer IAP and the BTU Cottbus-Senftenberg have developed numerical methods, which are able to simulate different radiation sources and process sequences as well.}, language = {en} } @misc{Seidlitz, author = {Seidlitz, Holger}, title = {Das Runde muss ins Eckige - mobile Wasserstoff-Kugelspeicher sollen Energieversorgung f{\"a}chendeckend sichern}, series = {CU reports}, volume = {01/2024}, journal = {CU reports}, number = {1}, issn = {2699-4534}, pages = {24 -- 25}, abstract = {Dem Wasserstoff-Transport widmen sich im TransHyDE-Projekt Mukran sechs Partnerinstitutionen aus Wissenschaft und Wirtschaft. Gemeinsam entwickeln sie neuartige sph{\"a}rische Wasserstoffhochdruckspeicher mit einer lasttragenden H{\"u}lle aus carbonfaserverst{\"a}rktem Kunststoff (CFK). Diese bieten einen „optimalen Kompromiss aus belastungs- und funktionsgerechter Geometrie" und erm{\"o}glichen - eingebaut in standardisierte Containerquader - einen effizienten Transport mit hohem Nutzlastverh{\"a}ltnis.}, language = {de} }