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Title:

Determination of flow curves and normal anisotropy through tensile tests and optical strain measurement

Document type:
Zeitschriftenaufsatz
Author(s):
Hoffmann, H.; Vogl, C.; Hwang, C.
Abstract:
This article describes a method for determining the flow curve of thin metal sheet after uniform elongation, and the normal anisotropy as afunction of equivalent strain using an optical measurement system. The flow curve was determined with the help of a modified approach according to Siebel and Schwaigerer. In comparison to the results of biaxial forming processes, the numerical simulation using improved material data showed in the area of high elongation, in particular, a greater correspondenc...     »
Journal title:
ZWF Zeitschrift fuer Wirtschaftlichen Fabrikbetrieb
Year:
2003
Journal volume:
98
Journal issue:
10
Pages contribution:
480-482
Covered by:
Scopus
Language:
de
E-ISSN:
09470085
TUM Institution:
Lehrstuhl für Umformtechnik und Gießereiwesen
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