Plastic deformation anisotropy and work-hardening of composite materials |
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| Authors: | K Tanaka K Wakashima T Mori |
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| Institution: | National Research Institute for Metals, Nakameguro, Meguro, TokyoJapan;Research Laboratory of Precision Machinery and Electronics, Tokyo Institute of Technology, Ookayama, Meguro, TokyoJapan;Department of Metallurgical Engineering, Tokyo Institute of Technology, Ookayama, Meguro, TokyoJapan |
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| Abstract: | An energy-balance method is applied to discuss plastic anisotropy and work-hardening rate of a composite material. It is found that aligned fibers introduce a strongly anisotropic mode of plastic deformation while randomly-oriented inclusions produce isotropic plastic deformation. The hardening rate due to randomly-oriented inclusions is shown to be independent of the inclusion shape, and to be equal to that due to spherical inclusions when the elastic constants of the inclusions are the same as those of the matrix. |
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