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|Title:||A micromechanical plastic model for ZrO2-toughened ceramics||Authors:||Lam, K.Y.
|Issue Date:||Jan-1995||Citation:||Lam, K.Y.,Zhang, J.M.,Ong, P.P. (1995-01). A micromechanical plastic model for ZrO2-toughened ceramics. Mechanics of Materials 19 (2-3) : 227-238. ScholarBank@NUS Repository.||Abstract:||An increment plasticity formulation is established for the transformation plastic behavior of zirconia-toughened ceramics based on micromechanics of heterogeneous media. Mori-Tanaka estimates are established for the overall plastic strains and the overall yield stresses. The plastic flow function is determined in terms of the transformation twinning of a single zirconia particle embedded in an infinite matrix with the average matrix stresses. Numerical examples are given for the transformation yielding of ceramics with aligned zirconia particles under uniaxial loading. © 1995.||Source Title:||Mechanics of Materials||URI:||http://scholarbank.nus.edu.sg/handle/10635/92650||ISSN:||01676636|
|Appears in Collections:||Staff Publications|
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