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https://scholarbank.nus.edu.sg/handle/10635/92650
| Title: | A micromechanical plastic model for ZrO2-toughened ceramics | Authors: | Lam, K.Y. Zhang, J.M. Ong, P.P. |
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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