Bi-axial equipment; yield function; identification of material parameters; LIMARC
Abstract :
[en] This paper shows the identification of material parameters for a DC06 IF steel sheet of 0.8 mm by mechanical tests. The experimental equipment used consists of a tensile test machine, a bi-axial test machine able to perform plane-strain and simple shear tests separately or simultaneously and an optical strain gauge. Tensile, plane-strain and simple shear tests were performed at 0°, 45° and 90° from the sheet rolling direction in order to identify Hill 1948 and
Hosford 1979 yield criteria. Two identification methods are used: one based on strain measurements (anistropy coefficients) and the other one based on stress measurements (plastic contours). The results confirm that mechanical tests applying other stress-states than tensile are required to obtain accurate material parameters identification.
Disciplines :
Civil engineering
Author, co-author :
Flores, Paulo
Moureaux, Pierre
Habraken, Anne ; Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Language :
English
Title :
Material Identification Using a Bi-Axial Test Machine
Publication date :
2005
Event name :
International Conference on Advances in Experimental Mechanics
Event organizer :
University of Southampton
Event place :
United Kingdom
Event date :
du 6 au 8 septembre 2005
Audience :
International
Main work title :
Proceedings of the International Conference on Advances in Experimental Mechanics
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