Micro-stress distribution within polycrystalline aggregate |
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| Authors: | S Kumar S K Kurtz V K Agarwala |
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| Affiliation: | (1) Present address: Materials Science and Engineering, University of Cincinnati, 45221-0012 Cincinnati, OH;(2) Present address: Materials Research Laboratory, and Electrical and Computer Engineering, The Pennsylvania State University, 16802 University Park, PA, USA;(3) Present address: Centre for Academic Computing, The Pennsylvania State University, 16802 University Park, PA, USA |
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| Abstract: | Summary The three-dimensional Poisson-Voronoi model, which is topologically equivalent to the microstructure of real ceramics and metals, has been used to study the stress distribution within a simulated polycrystalline aggregate having 200 grains. Micro-stresses such as the maximum principal stress, maximum shear stress, first invariant of stress, and Von-Mises stress are found to vary systematically with the anisotropy of single crystal. |
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