DAMAGE MECHANICS FOR ORTHOGONAL ANISOTROPIC DUCTILE MATERIALS
Zheng Mao-sheng1, Luo Zi-jian2, Zheng Xiu-lin2
1. Department of physics, University of Electric Science and Technalongy, Xian, 710071;2. Department of Materal Science and Engeenering, Northwestern Polytechnical University, Xian,710072