基于复合材料的观点建立纳米/微米Cu细观力学研究模型,采用有限元数值模拟技术对纳米/微米Cu的力学性能进行数值模拟,分析纳米/微米晶的分布、体积分数和形状对纳米/微米Cu强度和塑性的影响.结果表明:与层状分布相比,立方/球状密封分布的纳米/微米Cu强度和塑性均较大,其塑性随微米晶增韧相体积分数的增大而增大,而屈服强度则逐渐降低;随微米晶增韧相形状因子(有效长径比)的增大,纳米/微米Cu的力学性能表现出明显的各向异性.
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