Plastic Deformation Development in Polycrystals Based on the Cellular Automata and Relaxation Element Method
نویسندگان
چکیده
Based on the Re]ax3!ionElement Method, the propagation of zones ~!:l:f l~alizC<.dp~ deformation i.-~aE<?!r~rY.stal un~.ei-Io~i_!.lghas b~~_ sirI'lPlated within thc frarnework of continuum mecbanics. Tbe model can be referred t~ t!!.e. cl~~soi geoll.!~~cal D:iQ:qel;,--krrQ.wn as ~;;:lIu!!1r a~tomata. pi~tic defQi~ mation ~ con~\!e~d t_~occu~undsr th~ action of differently scaled stress concentrators. A plasticauy deforlned grain acts aB a stress concentrator at the mesoscale leve.J,The involvement of a cell ioto plastic defonnation was deter~!i~(J ~y thc value of tJ:t.<: (;ritical sbear stress in the cell center along the slip sy~te~. ~s aHP.f2achallgws to ll?alyze t~~ nUlJ1ber~nd internetion of slip sy.slemsand acconnts fo~ work-I~~ening on the patterns of tbe propagation of the bands of localized plastic deformati.onin alnminum polycrystals.
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Simulation of the Effect of Intermittent Flow in Polycrystals on the Basis of Cellular Automata and Relaxation Element Method
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