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Material modeling in forming simulation of three-dimensional fiber-metal-laminates - A parametric study

Werner, H. O.; Poppe, C.; Henning, F.; Kärger, L.

Abstract:
Forming of fiber-metal-laminates (FML) into complex geometries is challenging, due to the low fracture toughness of the fibers. Several researchers have addressed this topic in recent years. A new manufacturing process has been introduced in our previous work that successfully combines deep drawing with thermoplastic resin transfer molding (T-RTM) in a single process step. During molding, the fabric is infiltrated with a reactive monomeric matrix, which polymerizes to a thermoplastic after the forming process is completed. In our previous work, a numerical modeling approach was presented for this fully integrated process, investigating a hybrid laminate with 1 mm thick metal sheets of DC04 as top layers and three inner glass fiber layers. Although initial results were promising, there were still some pending issues regarding the modeling of material behavior. The current study aims to address several of these open issues and to provide a general modelling framework for future enhancements. For this purpose, the existing modelling approach is extended and used for parameter analysis. Regarding the influence of different material characteristics on the forming result, shear, bending and compression properties of the fabric are modified systematically. ... mehr

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Verlagsausgabe §
DOI: 10.5445/IR/1000120488
Veröffentlicht am 24.06.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Fahrzeugsystemtechnik (FAST)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 2351-9789
KITopen-ID: 1000120488
Erschienen in Procedia manufacturing
Verlag Elsevier
Band 47
Seiten 154-161
Bemerkung zur Veröffentlichung 23rd International Conference on Material Forming, ESAFORM 2020, Cottbus, Germany, 4 - 8 April 2020
Nachgewiesen in Dimensions
Scopus
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