机械工程材料, 2017, 41(1): 90-106.
10.11973/jxgccl201701019
利用模型预测和优化多相各向异性TiB2增强钢复合材料的力学性能
李涵
1,
,
金学军
2,
,
赵洪山
3,
1.上海交通大学材料科学与工程学院，上海 200240; 法国国立高等工艺学校，巴黎 75014;
2.上海交通大学材料科学与工程学院,上海,200240;
3.上海交通大学材料科学与工程学院,上海,200240
基于Mori-Tanaka均匀化方法及Eshelby等效夹杂理论建立了解析计算模型，用以预测多相各向异性TiB2增强钢复合材料的力学性能，并系统研究了增强体的长径比、体积分数和取向对复合材料横向和纵向弹性模量的影响。结果表明：建立的模型可以准确预测多种不同金属基复合材料的弹性模量；大的长径比可以显著提高 TiB2增强钢复合材料的纵向弹性模量，且只造成横向弹性模量少量损失；增强相体积分数与弹性模量呈正相关；纵向弹性模量随着增强体排列方向与载荷方向之间夹角的增大而先增大后减小。
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