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Simulation of Earing in Textured Aluminum Sheets by K. Inal; P.D. Wu; K.W. Neale is a Engineering article available to read on EtoBox.

What is Simulation of Earing in Textured Aluminum Sheets about?

In this paper we investigate the phenomenon of earing, which is a troublesome defect often observed during the deep drawing of rolled aluminum sheets. A special ®nite element analysis for this problem has been developed where only the ̄ange area of the sheet is modelled. A polycrystal and a phenomenological model are used for the numerical simulations of earing. For the polycrystal model, the material behaviour is described using crystal plasticity theory where each material point in the sheet is considered to be a polycrystalline aggregate of a very large number of FCC grains. The Taylor theory of crystal plasticity is assumed. This analysis accounts for initial sheet textures, as well as texture evolution during large plastic deformations. The numerical analysis incorporates certain parallel computing features. For the phenomenological model, a six component yield function proposed by Barlat et al. (Barlat, F., Lege, D.J., Brem, J.C., 1991b. A six-component yield function for anistropic materials. Int. J. Plast. 7, 693±712.) is used. The numerical simulation of earing has been carried out for two textures typical of rolled aluminum sheets. The eects of these textures are discuss

Who reads Simulation of Earing in Textured Aluminum Sheets?

Author

K. Inal; P.D. Wu; K.W. Neale

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0749-6419)

Published

2000

Language

EN

Field

Engineering (Physical Sciences)