TY - CONF A1 - Sokolowski-Tinten, K. A1 - Barty, A. A1 - Boutet, S. A1 - Shymanovich, U. A1 - Chapman, H. A1 - Bogan, M. A1 - Marchesini, S. A1 - Hau-Riege, S. A1 - Stojanovic, N. A1 - Bonse, Jörn A1 - Rosandi, Y. A1 - Urbassek, H. M. A1 - Tobey, R. A1 - Ehrke, H. A1 - Cavalleri, A. A1 - Düsterer, S. A1 - Redlin, H. A1 - Frank, M. A1 - Bajt, S. A1 - Schulz, J. A1 - Seibert, M. A1 - Hajdu, J. A1 - Treusch, R. A1 - Bostedt, C. A1 - Hoener, M. A1 - Möller, T. T1 - Short-pulse laser induced transient structure formation and ablation studied with time-resolved coherent XUV-scattering T2 - International high-power laser ablation conference CY - Santa Fe, USA DA - 2010-04-18 KW - Femtosecond laser ablation KW - Free electron lasers KW - Coherent scattering PY - 2010 SN - 978-0-7354-0828-9 N1 - Serientitel: AIP conference proceedings – Series title: AIP conference proceedings IS - 1278 SP - 373 EP - 379 PB - American Institute of Physics CY - Melville, NY, USA AN - OPUS4-22230 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Müller, Renate A1 - Rudolphi, Reinald A1 - Sagelsdorff, R. A1 - Ghazi Wakili, K. A1 - Frank, T. A1 - Rickert, H. T1 - Kurzzeit-Prüfverfahren zur Bestimmung der Wärmeleitfähigkeit und der spezifischen Wärmekapazität von nichtmetallischen Baustoffen bei Temperaturen von -20°C bis 90°C N2 - Die Berechnung von Wärmebrücken unter stationären und instationären Randbedingungen, die Optimierung von Wärmespeichern, die Beurteilung sowohl wärmeschutz- als auch brandschutztechnischer Maßnahmen und Energiebedarfsrechnungen setzen die Kenntnis thermischer Eigenschaften, u.a. der Wärmeleitfähigkeit Lambda und der spezifischen Wärmekapazität c, in Abhängigkeit der Temperatur voraus. Im Rahmen einer Zusammenarbeit der EMPA-Dübendorf und der BAM-Berlin wurde ein Kurzzeit-Prüfverfahren mit anschließender numerischer Auswertung entwickelt, das eine simultane Bestimmung dieser beiden Größen ermöglicht. In dem Band wird über das Kurzzeit-Prüfverfahren, das numerische Auswerteverfahren und die Resultate der Messungen an einigen ausgewählten Baustoffen berichtet. KW - Wärmebrücke KW - Kältebrücke KW - Wärmeleitfähigkeit KW - Baustoff KW - Kurzzeitprüfung KW - Wärmekapazität KW - Messeinrichtung PY - 1995 SP - 1 EP - 56 PB - Bundesanstalt für Materialforschung und -prüfung CY - Dübendorf AN - OPUS4-1259 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - RPRT A1 - Thieme-Hack, M. A1 - Berghaus, U. A1 - Brümmer, F. A1 - Elsner, U. A1 - Färber, C. A1 - Frank, D. A1 - Illgas, M. A1 - Kalbe, Ute A1 - Kathage, J. A1 - Leers, A. A1 - Müller, B. A1 - Röger-Göpfert, C. A1 - Russland, H.-J. A1 - Schnabel, B. A1 - Schneider, O. A1 - Schockmann, D. A1 - Schomakers, H. A1 - Schwalbe, D. A1 - Stegemann, D. A1 - van den Berg, T. A1 - Kramps, S. T1 - Fachbericht Kunststoffsportböden - Nachhaltige Kunststoffbelagsauswahl für Sportfreianlagen N2 - Kunststoff- und Kunststoffrasenflächen kommt bei intensiv genutzten Flächen als Allwetterbeläge eine große Bedeutung zu. Sie leisten einen wichtigen Beitrag zur Absicherung eines ganzjähriger Sportangebote. Gerade Kunststoffrasen ist aber in den letzten Jahren häufig in die Kritik geraten, insbesondere durch gefährliche Inhaltsstoffe und andere negative Einflüsse auf die Umwelt. Dies hat bei Bauherren zu einer Verunsicherung geführt und Fragen aufgeworfen, die erst teilweise beantwortet sind. Die Diskussionen rund um diesen Allwetterbelag haben bereits dazu geführt, dass von Seiten der Industrie viel verändert wurde und neue innovative Lösungen gefunden werden. Der Fachbericht stellt eine Handreichung für Fachleute und interessierte Laien dar, um mehr Klarheit besonders hinsichtlich der Umweltanforderungen zu erzielen. KW - Kunststoffsportbeläge KW - Kunstrasen KW - Umweltverträglichkeit KW - Schadstofftransfer KW - Mikroplastik PY - 2022 UR - https://shop.fll.de/de/fachbericht-kunststoffsportboeden-broschuere.html SP - 1 EP - 70 PB - Forschungsgesellschaft Landschaftsentwicklung Landschaftsbau (FLL) CY - Bonn AN - OPUS4-54390 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Weise, Frank A1 - Maier, Bärbel A1 - Alonso, M. T. A1 - Müller, C. T1 - Analyse des Verhaltens von Gesteinskörnungen im Beton bei Frosttauwechselbeanspruchung N2 - Die hier vorgestellten Untersuchungen erfolgten im Rahmen eines von der AiF geförderten Verbundforschungsvorhabens „Frost- und Frost-Tausalz-Widerstand von Beton unter besonderer Berücksichtigung der verwendeten Gesteinskörnung“. Sie waren insbesondere Bestandteil des gemeinsam vom VDZ und der BAM bearbeiteten Teilprojektes „Prüfung der Gesteinskörnung im Beton“, Die Basis für die Auswahl der zu untersuchenden Gesteinskörnungen bildeten die Teilprojekte der Bauhaus Universität Weimar zur Petrographie sowie der TU München zum Frost- und Frost-Tausalz-Widerstand der Gesteinskörnung, Ausgangspunkt des Vorhabens war die Feststellung, dass die Beurteilung des Frost und Frost-Tausalz-Widerstandes von Gesteinskörnungen mit Laborprüfverfahren an der Gesteinskörnung und im Beton, je nach verwendetem Prüfverfahren und Grenzwerten, zu einer unterschiedlichen Klassifizierung führen kann, Bisher kann bei keiner Form der Prüfung des Frost- bzw. Frost-Tausalz-Widerstandes an der Gesteinskörnung ausgeschlossen werden, dass die Gesteinskörnung in dieser Prüfung ein anderes Verhalten aufweist, als später im Bauwerk im einbetonierten Zustand. In diesem Beitrag wird ausschließlich das Frostverhalten ausgewählter Gesteinskörnungen in XF3-Betonen unter Verwendung eines Portlandzements CEM I 32,5 R dargestellt. Es werden betontechnologische Maßnahmen zur Verbesserung des Frostverhaltens eines Betons, der mit einer nicht frostbeständigen Gesteinskörnung hergestellt wurde, aufgezeigt. Zur Verfolgung der inneren frostinduzierten Gefügeveränderung kamen neben konventionellen Prüftechniken auch erstmals röntgentomografische Untersuchungen zum Einsatz. T2 - 18. Ibausil - Internationale Baustofftagung CY - Weimar, Germany DA - 12.09.2012 PY - 2012 SN - 978-3-00-034075-8 VL - 2 IS - 3.07 SP - 2-0453 EP - 2-0467 AN - OPUS4-26546 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Chen, Ya‐Fan A1 - Arendt, Felix A1 - Bornhöft, Hansjörg A1 - de Camargo, Andréa S. S. A1 - Deubener, Joachim A1 - Diegeler, Andreas A1 - Gogula, Shravya A1 - Contreras Jaimes, Altair T. A1 - Kempf, Sebastian A1 - Kilo, Martin A1 - Limbach, René A1 - Müller, Ralf A1 - Niebergall, Rick A1 - Pan, Zhiwen A1 - Puppe, Frank A1 - Reinsch, Stefan A1 - Schottner, Gerhard A1 - Stier, Simon A1 - Waurischk, Tina A1 - Wondraczek, Lothar A1 - Sierka, Marek T1 - Ontology‐Based Digital Infrastructure for Data‐Driven Glass Development N2 - The development of new glasses is often hampered by inefficient trial‐and‐error approaches. The traditional glass manufacturing process is not only time‐consuming, but also difficult to reproduce with inevitable variations in process parameters. These challenges are addressed by implementing an ontology‐based digital infrastructure coupled with a robotic melting system. This system facilitates high‐throughput glass synthesis and ensures the collection of consistent process data. In addition, the digital infrastructure includes machine learning models for predicting glass properties and a tool for extracting patent information. Current glass databases have significant gaps in the relationships between compositions, process parameters, and properties due to inconsistent studies and nonconforming units. In addition, process parameters are often omitted, and even original literature references provide limited information. By continuously expanding the database with consistent, high‐quality data, it is aimed to fill these gaps and accelerate the glass development process. KW - Digitalisation KW - Data-driven glass development KW - Ontology PY - 2025 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-625844 DO - https://doi.org/10.1002/adem.202401560 SN - 1527-2648 SP - 1 EP - 12 PB - Wiley VHC-Verlag AN - OPUS4-62584 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Ocker, L. A1 - Lisec, Jan A1 - Seitz, G. A1 - Adamus, A. A1 - Hempfling, L. A1 - Wagner, B. A1 - Vahdad, R. A1 - Verburg, F. A. A1 - Luster, M. A1 - Schurrat, T. A1 - Bier, D. A1 - Frank, M. A1 - Engel, N. T1 - Hypericin and its radio iodinated derivatives – A novel combined approach for the treatment of pediatric alveolar rhabdomyosarcoma cells in vitro N2 - In this in vitro study, we got a first insight of a possible potential of Hypericin for the treatment of pediatric soft tissue sarcoma. By coupling with radioiodine, we developed a novel approach for a combined anti-tumor treatment. The in vitro experiments lay the foundation for further in vivo experiments, which are needed to study the effects of a sequential administration of 131I-HYP and HYP. KW - Mass-Spectrometry KW - Cancer PY - 2020 VL - 29 SP - 101588 PB - Elsevier B.V. AN - OPUS4-49601 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Balko, J. A1 - Büsse, T. A1 - Kunkel, J. A1 - Kupsch, Andreas A1 - Wieder, Frank T1 - Schau(m) an, es geht... – Geschäumter Biokunststoff PBS für Leichtbau, Isolierwerkstoffe und Verpackungsmittel N2 - Flexible, niedrigdichte Schäume aus Biokunststoffen im Extrusionsverfahren herzustellen war bisher industriell noch nicht möglich. Im Verarbeitungstechnikum Biopolymere des Fraunhofer IAP wurde in einem Projekt die Eignung von PBS-basierten Biokunststofftypen für Schaumanwendungen erforscht und weiterentwickelt. KW - Polymer KW - Schaum KW - Polybutylensuccinat (PBS) KW - Biokunststoff KW - Computertomographie PY - 2022 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-555832 UR - https://www.plastverarbeiter.de/heftarchiv-ausgabendetail/plastverarbeiter-07-08-2022.html SN - 0032–1338 VL - 73 IS - 7/8 SP - 50 EP - 52 PB - Hüthig GmbH CY - Heidelberg AN - OPUS4-55583 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Soszynska, A. A1 - Säuberlich, T. A1 - Borch, J. A1 - Otremba, Frank A1 - Reulke, R. T1 - Analysis of the gas flare flame with IR cameras N2 - Greenhouse gas emissions caused by human activities remain one of the most important subjects of international discussions. The routine gas flaring has been estimated to be responsible for as much as 1% of global carbon dioxide emission per year. Gas flaring analysis is one of the key-interest subjects in remote sensing community. Some of the existing publications use remote sensing techniques with satellite imagery to derive information about flame temperature and further about to estimate the volume of the flared gas. The often missing element is an in-situ measurement analysis of gas flames, combining signals recorded by a camera on-ground and data on flared gas volume, temperature and gas type. In order to address this problem, an experiment was conducted, in which the gas flame was recorded by thermal cameras on-ground, simultaneously to an aerial survey and the gas flow was measured at the same time on-ground. The measurement setup was designed in cooperation between Institute of Optical Sensor Systems of German Aerospace Center (DLR) and German Federal Institute for Materials Research and Testing (BAM). Cameras recording in thermal and mid-wave IR wavelengths were used to record the burning gas on-ground and from the aerial survey. All the measurements have been compared and statistically analysed with respect to the recorded temperature. The purpose of the examination was to describe the signal changes in thermal imagery with respect to changes in energy, emitted by the burning process. This approach will allow for later calculation of the amount of energy in form of thermal radiation sent from the flame to the satellite. T2 - Processing Methodologies I CY - Strasbourg, France DA - 10.09.2019 KW - Gas flaring KW - Thermal remote sensing KW - Thermal radiation KW - Aerial survey PY - 2019 DO - https://doi.org/10.1117/12.2532887 SP - Paper 11156-5, 1 EP - 19 AN - OPUS4-48997 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GEN A1 - Brandes, E. A1 - Stolz, T. A1 - Adebahr-Lindner, Yvonne A1 - Krischok, Frank T1 - Sicherheitstechnische Kenngrößen für die Tankschifffahrt auf Binnenwasserstraßen T1 - Safety characteristic data for the tanker shipping on inland waterways N2 - Im Europäisches Übereinkommen über die Internationale Beförderung gefährlicher Güter auf Binnenwasserstraßen ist festgelegt, welche gefährlichen Güter unter welchen Bedingungen auf europäischen Binnenwasserstraßen befördert werden dürfen. Tabelle C ‚Verzeichnis der zur Beförderung in Tankschiffen zugelassenen gefährlichen Stoffe in numerischer Reihenfolge’ (ADN 3.2.2) listet für die Stoffe, Gemische und Lösungen, deren Beförderung in Tankschiffen zugelassen ist, die anzuwendenden besonderen Vorschriften entweder in vollständiger Information oder in kodierter Form auf. In dieser Tabelle C werden für die einzelnen Stoffe vor allem die zu verwendenden Tankschifftypen, deren Ausrüstung sowie Anforderungen hinsichtlich des Explosionsschutzes, des Schutzes der aquatischen Umwelt und des Schutzes der Menschen vor längerfristigen gesundheitlichen Schäden festgelegt. Bei dem Datenmaterial handelt es sich um durch PTB und BAM bewertete, experimentell oder rechnerisch ermittelte sicherheitstechnische Kenngrößen sowie um Angaben zu den aquatoxischen Eigenschaften und zu den längerfristigen gesundheitlichen Wirkungen auf den Menschen. Die Angaben zum Wasserverunreinigungspotential und die Zuordnungen zu den aquatoxischen Gefahren N1, N2, N3 wurden im Rahmen der Arbeiten der Zentralkommission für die Rheinschifffahrt (ZKR) zu Tabelle C vom Umweltbundesamt (UBA, J. Seelisch) zusammengestellt und bewertet. Die Angaben zu den längerfristigen gesundheitlichen Wirkungen auf den Menschen entsprechen den harmonisierten Einstufungen der EU. KW - Sicherheitstechnische Kenngrößen KW - Ladetankausrüstung KW - Tankschifftyp KW - ADN Tabelle C KW - Binnenwasserstraßen KW - Beförderung gefährlicher Güter KW - Europäisches Übereinkommen PY - 2019 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-495985 DO - https://doi.org/10.7795/530.20190422 SP - 1 EP - 261 AN - OPUS4-49598 LA - mul AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Mantouvalou, I. A1 - Bauer, L.J. A1 - Truong, V.-B. A1 - Wagener, Y. A1 - Förste, F. A1 - Maruchenko, O. A1 - Werner, S. A1 - Lizzi, F. A1 - Wieder, Frank A1 - Wolff, T. A1 - Kanngießer, B. A1 - Zaslansky, P. T1 - Quantitative micro-XRF combined with X-ray imaging reveals correlations between Zn concentration and dentin tubule porosity across entire teeth N2 - Bony materials are biogenic composites of protein fibers and mineral that create hierarchical structures. In the case of teeth, dentin is the main component and similar to other bones, it contains porosity at multiple length scales. It is traversed by micron-sized hollow channels known as dentinal tubules, essential for temperature and pain sensation. Tubule density and thus porosity vary throughout the macroscopic three-dimensional (3D) structure, with porosity increasing toward the pulp. The different densities in teeth are easily revealed non-destructively in 3D by X-ray imaging using computer tomography (CT). Yet elemental composition analysis is more difficult to obtain from within the centimeter-sized heterogeneous bulk material. We describe an approach of merging CT measurements of healthy, intact bovine teeth with micro-X-ray fluorescence (micro-XRF) images of matching serially sectioned slices. Through the combination of multi-resolution quantitative CT measurements with elemental mass fraction derivation, gradients in density and element distributions such as calcium (Ca), phosphorus (P), and zinc (Zn) are revealed across entire teeth in 3D. While the main constituents (Ca and P) are homogeneously distributed in the matrix, Zn concentration increases significantly and exponentially toward the pulp. We find an inverse association between dentin tissue density and Zn concentration localizing this element in or around tubules. Our data serve as a quantitative reference for density and Zn mass fractions in healthy, neither carious nor hypermineralized dentin, as a basis for comparisons across species in health and disease states. KW - Dentin density KW - Micro-computer tomography KW - Quantitative micro-X-ray fluorescence KW - Tubule porosity KW - Zn distribution PY - 2026 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-654215 DO - https://doi.org/10.1002/VIW.20250173 SN - 2688-3988 SN - 2688-268X SP - 1 EP - 14 PB - Wiley Online Library AN - OPUS4-65421 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Li, M. A1 - Schlaich, C. A1 - Zhang, J. A1 - Donskyi, Ievgen A1 - Schwibbert, Karin A1 - Schreiber, Frank A1 - Xia, Y. A1 - Radnik, Jörg A1 - Schwerdtle, T. A1 - Haag, R. T1 - Mussel-inspired multifunctional coating for bacterial infection prevention and osteogenic induction N2 - Bacterial infection and osteogenic integration are the two main problems that cause severe complications after surgeries. In this study, the antibacterial and osteogenic properties were simultaneously introduced in biomaterials, where copper nanoparticles (CuNPs) were generated by in situ reductions of Cu ions into a mussel-inspired hyperbranched polyglycerol (MI-hPG) coating via a simple dip-coating method. This hyperbranched polyglycerol with 10 % catechol groups’ modification presents excellent antifouling property, which could effectively reduce bacteria adhesion on the surface. In this work, polycaprolactone (PCL) electrospun fiber membrane was selected as the substrate, which is commonly used in biomedical implants in bone regeneration and cardiovascular stents because of its good biocompatibility and easy post-modification. The as-fabricated CuNPs-incorporated PCL membrane [PCL-(MI-hPG)-CuNPs] was confirmed with effective antibacterial performance via in vitro antibacterial tests against Staphylococcus aureus (S. aureus), Escherichia coli (E. coli), and multi-resistant E. coli. In addition, the in vitro results demonstrated that osteogenic property of PCL-(MI-hPG)-CuNPs was realized by upregulating the osteoblast-related gene expressions and protein activity. This study shows that antibacterial and osteogenic properties can be balanced in a surface coating by introducing CuNPs. KW - Mussel-inspired coating KW - CuNPs KW - Multi-resistant bacteria KW - Antibacterial KW - Antifouling KW - Osteogenesis PY - 2021 DO - https://doi.org/10.1016/j.jmst.2020.08.011 SN - 1005-0302 VL - 68 SP - 160 EP - 171 PB - Elsevier Ltd. AN - OPUS4-51519 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Feller, Viktor A1 - Mielentz, Frank A1 - Klewe, T. A1 - Krause, Martin A1 - Orglmeister, R. A1 - Pflugradt, M. T1 - Ultrasonic phased array for investigations of concrete components N2 - This paper describes an innovation of a phased array using dry contact probes to test concrete components. Based on preceding work on pressure waves, a low-frequency ultrasonic phased array consisting of shear wave probes is used in the experiments. This configuration allows the variation and control of the sound field directivity during the measurement. The measurements are carried out on a concrete test block using a scanning laservibrometer and a scanner system in transmission mode. The laboratory measurements are compared to theoretical calculations to investigate the influence of the probes shape and dimension on the resulting sound field patterns. The comparison of the modelling and the measurements demonstrates the suitability of the point source synthesis as a tool for the optimization of probe array designs. Methods of coded are used to improve the signal to noise ratio. T2 - NDT-CE 2015 - International symposium non-destructive testing in civil engineering CY - Berlin, Germany DA - 15.09.2015 KW - Ultrasonic KW - Phased array KW - Concrete KW - Point source synthesis PY - 2015 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-350417 UR - http://www.ndt.net/article/ndtce2015/papers/059_feller_viktor.pdf SN - 1435-4934 SP - 1 EP - 5 PB - Technische Universität Berlin / Bundesanstalt für Materialforschung und -prüfung AN - OPUS4-35041 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Apel, Andreas A1 - Wille, Frank A1 - Moutarde, M. A1 - Sert, G. A1 - Caillard-Lizot, M.-T. A1 - Eckert, B. A1 - Konnai, A. A1 - Pstrak, D. A1 - Harvey, J. A1 - Desnoyers, B. A1 - Purcell, P. A1 - Fiaccabrino, V. T1 - Stowage during transport: a proposal for harmonization N2 - For stowage and retention during transport, the International Atomic EnergyAgency (IAEA) Transport regulations (SSR-6) only require that the package shall be securely stowed. Additional information is given in the IAEA guidance material (SSG-26), that includes specific load factors that should be considered in the safety demonstrations. Nevertheless, applicants commonly use other load factors to justify the design of the packaging attachment points. In particular, acceleration values vary between different countries and this may lead to difficulties during the validation of foreign approval certificates. Discussions with applicants identified that the load factors presented in the IAEA guidance material are not necessarily relevant for the different transport modes. For some modes, the load factors are representative of situations occurring in routine conditions of transport. For other modes, the load factors are more representative of situations occurring in normal or accident conditions of transport. Furthermore, the origins of the specified values are not clear. In this context, some IAEA TRANSSC members decided to review the stowage guidance. An international working group was constituted in 2013, including representatives of competent authorities, technical support organizations, and transport stakeholders. Several topics were discussed and many questions were raised during the two year review. For example, some discussions focused on Paper No.1031 2 the conditions which have to be considered for stowage design, both as relevant to the load factors used for strength and fatigue analysis, as well as the criteria which have to be considered for the package attachment points. In addition, related questions on operational aspects were also discussed. Overall, the working group concluded that new guidance material was warranted as input into SSG-26. As a result of those discussions, the international working group produced new guidance material for stowage in transport, addressing each of these topics. The proposal to modify the IAEA guidance material (SSG-26, Appendix IV), presented by France to the TRANSSC in the 2015 initiated Review cycle of the Regulations, was unanimously accepted and will be implemented in the next edition of the guidance material. T2 - PATRAM 2016 CY - Kobe, Japan DA - 18.09.2016 KW - Packages for radioactive material KW - IAEA regulations (SSR-6, SSG-26) KW - Tie-down and stowage KW - Load cases for transport KW - Design of the packaging attachment points PY - 2016 SP - Paper 1031, 1 EP - 8 AN - OPUS4-38644 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - CONF A1 - Iancu, O.T. A1 - Otremba, Frank A1 - Sklorz, Christian T1 - Comparison between analytical and finite element calculation for pressurized container N2 - The prediction of the plastic collapse load of cylindrical pressure vessels is very often made by using expensive Finite Element Computations. The calculation of the collapse load requires an elastic-plastic material model and the consideration of non-linear geometry effects. The plastic collapse load causes overalls structural instability and cannot be determined directly from a finite element analysis. The ASME (2007) code recommends that the collapse load should be the load for which the numerical solution does not converge. This load can be only determined approximately if a expensive nonlinear analysis consisting of a very large number of sub steps is done. The last load sub step leading to a convergent solution will be taken as the critical load for the structure. In the instability regime no standard finite element solution can be found because of the lack of convergence of the numerical procedure. Other methods for the calculation of the allowable pressure proposed by the ASME code are the elastic stress analysis and the limit load analysis. In the present paper the plastic collapse load for a cylindrical pressure vessel is determined by an analytical method based on a linear elastic perfectly plastic material model. When plasticity occurs the material is considered as incompressible and the tensor of plastic strains is parallel to the stress deviator tensor. In that case the finite stress-strain relationships of Henkel can be used for calculating the pressure for which plastic flow occurs at the inside of the vessel wall or in the case of full plasticity in the wall. The analytical results are fully confirmed by finite element predictions both for axisymmetric and high costs three dimensional models. The analytical model can be used for fast predictions of the allowable load for the design of a large variety of pressure vessels under safety considerations. The accuracy of the predicted collapse load largely depends on the quality of the temperature dependent wall material data used both in the analytical and numerical calculations. T2 - IMECE 2014 - ASME International mechanical engineering congress and exposition CY - Montreal, Quebec, Canada DA - 14.11.2014 PY - 2014 SN - 978-0-7918-4958-3 SP - Paper 36106, 1 EP - 5 PB - Amer soc mechanical engineers CY - New York, NY, USA AN - OPUS4-32317 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Iancu, O.T. A1 - Erhard, Anton A1 - Otremba, Frank A1 - Sklorz, Christian T1 - Consistency between analytical and finite element predictions for safety of cylindrical pressure vessels at higher temperatures N2 - Die Vorhersage der Beanspruchung bei plastischem Versagen von zylindrischen Druckbehältern wird häufig mittels Finite Elemente Berechnungen durchgeführt. Die Berechnung der zulässigen Beanspruchung erfordert ein elastisch-plastisches Werkstoffmodell und die Berücksichtigung von nichtlinearen geometrischen Effekten. Das plastische Versagen verursacht eine gesamte Strukturinstabilität und kann nicht direkt aus der Finite Elemente Analyse bestimmt werden. In dem vorliegenden Beitrag wird die Beanspruchung für plastisches Versagen eines zylindrischen Druckbehälters mittels eines analytischen Verfahrens basierend auf einem linear elastischen ideal-plastischen Materialmodell bestimmt. Wenn Plastizität auftritt, wird zum einen der Werkstoff als inkompressibel und zum anderen der Tensor der plastischen Dehnungen als parallel zum Spannungsabweichungstensor angenommen. In diesem Fall kann die Spannungs-Dehnungs-Beziehung von Henkel angewendet werden, um den Druck zu berechnen, bei dem plastisches Fließen und Versagen eintritt. Die analytischen Ergebnisse werden von den Finite Elemente Berechnungen vollkommen bestätigt. KW - Materials testing KW - FEM KW - Plastic instability KW - Limit load analysis KW - Pressure vessel KW - Analytical solution PY - 2014 SN - 0025-5300 VL - 56 IS - 4 SP - 274 EP - 278 PB - Hanser CY - München AN - OPUS4-30722 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Trimpin, Sarah A1 - Yenchick, Frank S. A1 - Lee, Chuping A1 - Hoang, Khoa A1 - Pophristic, Milan A1 - Karki, Santosh A1 - Marshall, Darrell D. A1 - Lu, I-Chung A1 - Lutomski, Corinne A. A1 - El-Baba, Tarick J. A1 - Wang, Beixi A1 - Pagnotti, Vincent S. A1 - Meher, Anil K. A1 - Chakrabarty, Shubhashis A1 - Imperial, Lorelei F. A1 - Madarshahian, Sara A1 - Richards, Alicia L. A1 - Lietz, Christopher B. A1 - Moreno-Pedraza, Abigail A1 - Leach, Samantha M. A1 - Gibson, Stephen C. A1 - Elia, Efstathios A. A1 - Thawoos, Shameemah M. A1 - Woodall, Daniel W. A1 - Jarois, Dean R. A1 - Davis, Eric T.J. A1 - Liao, Guochao A1 - Muthunayake, Nisansala S. A1 - Redding, McKenna J. A1 - Reynolds, Christian A. A1 - Anthony, Thilani M. A1 - Vithanarachchi, Sashiprabha M. A1 - DeMent, Paul A1 - Adewale, Adeleye O. A1 - Yan, Lu A1 - Wager-Miller, James A1 - Ahn, Young-Hoon A1 - Sanderson, Thomas H. A1 - Przyklenk, Karin A1 - Greenberg, Miriam L. A1 - Suits, Arthur G. A1 - Allen, Matthew J. A1 - Narayan, Srinivas B. A1 - Caruso, Joseph A. A1 - Stemmer, Paul M. A1 - Nguyen, Hien M. A1 - Weidner, Steffen A1 - Rackers, Kevin J. A1 - Djuric, Ana A1 - Shulaev, Vladimir A1 - Hendrickson, Tamara L. A1 - Chow, Christine S. A1 - Pflum, Mary Kay H. A1 - Grayson, Scott M. A1 - Lobodin, Vladislav V. A1 - Guo, Zhongwu A1 - Ni, Chi-Kung A1 - Walker, J. Michael A1 - Mackie, Ken A1 - Inutan, Ellen D. A1 - McEwen, Charles N. T1 - New Processes for Ionizing Nonvolatile Compounds in Mass Spectrometry: The Road of Discovery to Current State-of-the-Art N2 - This Perspective covers discovery and mechanistic aspects aswell as initial applications of novel ionization processes for use in massspectrometry that guided us in a series of subsequent discoveries, instrumentdevelopments, and commercialization. Vacuum matrix-assisted ionization onan intermediate pressure matrix-assisted laser desorption/ionization sourcewithout the use of a laser, high voltages, or any other added energy wassimply unbelievable, at first. Individually and as a whole, the variousdiscoveries and inventions started to paint, inter alia, an exciting new pictureand outlook in mass spectrometry from which key developments grew thatwere at the time unimaginable, and continue to surprise us in its simplisticpreeminence. We, and others, have demonstrated exceptional analyticalutility. Our current research is focused on how best to understand, improve, and use these novel ionization processes throughdedicated platforms and source developments. These ionization processes convert volatile and nonvolatile compounds from solid orliquid matrixes into gas-phase ions for analysis by mass spectrometry using, e.g., mass-selected fragmentation and ion mobilityspectrometry to provide accurate, and sometimes improved, mass and drift time resolution. The combination of research anddiscoveries demonstrated multiple advantages of the new ionization processes and established the basis of the successes that lead tothe Biemann Medal and this Perspective. How the new ionization processes relate to traditional ionization is also presented, as wellas how these technologies can be utilized in tandem through instrument modification and implementation to increase coverage ofcomplex materials through complementary strengths. KW - Mass spectrometry PY - 2024 DO - https://doi.org/10.1021/jasms.3c00122 SN - 1879-1123 VL - 35 IS - 12 SP - 2753 EP - 2784 PB - American Chemical Society (ACS) AN - OPUS4-61417 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -