期刊
JOURNAL OF MATERIALS SCIENCE
卷 45, 期 15, 页码 4097-4110出版社
SPRINGER
DOI: 10.1007/s10853-010-4498-0
关键词
-
资金
- National Natural Science Foundation of China [50801068]
- PhD Programs Foundation of Ministry of Education of China [200805331044]
- Hunan Postdoctoral Scientific Program [2008RS4020]
- Chinese Postdoctoral Science Foundation [200801345, 20070410303]
This article develops a constitutive model for the yield stress of SiC reinforced aluminum alloy composites based on the modified shear lag model, Eshelby's equivalent inclusion approach, and Weibull statistics. The SiC particle debonding and cracking during deformation have been incorporated into the model. It has been shown that the yield stress of the composites increases as the volume fraction and aspect ratio of the SiC particles increase, while it decreases as the size of the SiC particles increases. Four types of aluminum alloys, including pure aluminum, Al-Mg-Si alloy, Al-Cu-Mg alloy, and Al-Zn-Mg alloy, have been chosen as the matrix materials to verify the model accuracy. The comparisons between the model predictions and the experimental counterparts indicate that the present model predictions agree much better with the experimental data than the traditional modified shear lag model predictions. The present model indicates that particle failure has important effect on the yield stress of the SiC reinforced aluminum alloy composites.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据