两相材料的弹塑性性质和计算模型分析

ANALYSIS OF THE ELASTO-PLASTIC PROPERTIES AND COMPUTATIONAL MODELS FOR TWO-PHASE COMPOSITES

本文提出了两相材料弹塑性性质的有限元大变形三区模型并比较了两区模型、三区模型、周期性排列夹杂模型对计算的影响，分析了夹杂形状、分布、体积分数和载荷方式对弹塑性性质的影响．

A three region model was proposed to study elasto-plastic mechanical behavior of two-phase composites by finite deformation FEM. The influences of two region model,three region model and periodic distribution particle model on the calculated results were compared. The effects of shape, distribution and volume fraction of inclusions on the elasto-plastic mechanical behavior were analyzed. The results obtained in this paper are important for understanding macro-behavior of two phase composites.