Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10290
Title: A dislocation-model of forming limit diagrams of FCC metal sheet with combination of cube and copper orientations
Authors: Wen, XY
Zhai, T
Xiao, CH
Ningileri, S
Li, Z
Lee, WB 
Das, S
Keywords: Aluminum alloy
Dislocations
Forming limit diagram
Meso-plasticity
Simulation
Texture
Issue Date: 2005
Publisher: Elsevier
Source: Materials science and engineering. A, Structural materials : properties, microstructure and processing, 2005, v. 402, no. 1-2, p. 149-157 How to cite?
Journal: Materials science and engineering. A, Structural materials : properties, microstructure and processing 
Abstract: In this study, the right-hand portion of the forming limit diagram (FLD) of a strain rate-sensitive FCC metal sheet with different combinations of two texture components, (0 0 1) [0 1̄ 0] (cube component) and (1 1 2) [1 1 1̄] (copper component) orientations and dislocation hardening effect at meso level, was predicted. Unlike the Marciniak-Kuczynski (M-K) model, no surface grooves in the sheet were assumed in the calculation. Because of the non-uniformity of microstructure in the thermal-mechanically processed sheet, narrow bands of grains with a similar orientation are assumed to exist instead. These bands behaved like a single crystal and deformed differently from their neighboring grains. The result from the simulation at the meso level was compared with two experimentally measured FLDs of a direct chill (O-temper) and continuous cast (H-temper) Al sheets.
URI: http://hdl.handle.net/10397/10290
ISSN: 0921-5093
EISSN: 1873-4936
DOI: 10.1016/j.msea.2005.04.017
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