Yield and fatigue behavior of polypropylene and polyamide-6 nanocomposites

被引：35
|
作者：
Mallick, PK [1 ]
Zhou, YX [1 ]
机构：
[1] Univ Michigan, Ctr Lightweighting Automot Mat & Proc, Dearborn, MI 48128 USA
来源：
JOURNAL OF MATERIALS SCIENCE | 2003年 / 38卷 / 15期
关键词：
D O I：
10.1023/A:1025161215708
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, yield and fatigue behavior of a polypropylene nanocomposite and a polyamide-6 nanocomposite has been studied. The Eyring equation was used to model the temperature and strain rate sensitivity of the yield strengths of these two nanocomposites. Both activation volume and activation energy of the polypropylene nanocomposite were higher than those of the polyamide-6 nanocomposite. The fatigue strength of the polyamide-6 nanocomposite was higher than that of the polypropylene nanocomposite. However, the ratio of maximum fatigue stress to yield strength of the polypropylene nanocomposite was higher than that of the polyamide nanocomposite. The fatigue failure in both composites was initiated at agglomerated nanoparticles. (C) 2003 Kluwer Academic Publishers.
引用
收藏
页码：3183 / 3190
页数：8
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