Texture evolution and stress formation behaviour during tensile deformation using crystal plasticity finite element method

Author:

Qu Yang1,Zhao Qi1,Ma Dongwei1

Affiliation:

1. School of Materials Science and Engineering, Hubei University of Automotive Technology, Shiyan, People's Republic of China

Abstract

In this work, a three-dimensional crystal plasticity (CP) model was constructed to study the texture evolution behaviour and stress distribution of AA2024 alloy under uniaxial tensile conditions. After parameter calibration, the accuracy of simulated stress–strain curve reached 98.82%, and with good convergence. It was found that the {111} plane dots of Brass in (111) pole figure predominantly prolong at an angle of approximately 35.8° with respect to the RD, while those of Copper, S, Goss and Cube scatter towards almost all directions by the way in a circular augmentation. Moreover, it was revealed that Brass orientation is more conducive to alleviating stress during deformation process, while Copper is the least effective. The situations for Cube and Goss orientations are similar.

Funder

National Natural Science Foundation of China

Major Science and Technology Project of Hubei Province

Publisher

SAGE Publications

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