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Titel:

New algorithm for a robust user-independent evaluation of beginning instability for the experimental FLC determination

Autor(en):
Volk, Wolfram; Hora, Pavel
Abstract:
The failure prediction in sheet metal forming is typically realized by evaluating the so called forming limit curves (FLC). The standard experimental method is the Nakajima test, where sometimes also the Marciniak test setup is used. Up to now, the FLC determination was performed with failed specimens and an one-directional intersection line method or by manually analyzing the estimated strains before cracking. Both methods determine the failure by considering the occurrence of cracking and do n...     »
Stichworte:
FLC; Local necking; Optical detection of strain localizations; Nakajima-test
Zeitschriftentitel:
International Journal of Material Forming
Jahr:
2011
Band / Volume:
4
Jahr / Monat:
2011-09
Monat:
Sep
Heft / Issue:
3
Seitenangaben Beitrag:
339-346
Nachgewiesen in:
Scopus; Web of Science
Reviewed:
ja
Sprache:
en
Volltext / DOI:
doi:10.1007/s12289-010-1012-9
WWW:
http://link.springer.com/article/10.1007/s12289-010-1012-9#
Verlag / Institution:
Springer-Verlag
Verlagsort:
Berlin
Print-ISSN:
1960-6206
E-ISSN:
1960-6214
Status:
Erstveröffentlichung
TUM Einrichtung:
Lehrstuhl für Umformtechnik und Gießereiwesen
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