Strain Rate and Temperature Effects on Tensile Properties and Their Representation in Deformation Modeling of Vinyl Ester Polymer

被引:15
|
作者
Plaseied, A. [2 ]
Fatemi, A. [1 ]
机构
[1] Univ Toledo, Dept Mech Ind & Mfg Engn, Toledo, OH 43606 USA
[2] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA
关键词
deformation modeling; mechanical properties; strain rate effect; temperature effect; vinyl ester polymer;
D O I
10.1080/00914030701729677
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This paper discusses the effects of strain rate and temperature on tensile properties and stress-strain behavior of vinyl ester polymer. Tensile strength and modulus were found to increase linearly with the log of strain rate, and decrease linearly with increasing temperature. Ramberg-Osgood and Menges models were used and extended to describe the strain rate and temperature dependency of the stress-strain behavior. The extended Menges model provided better representation of the observed behavior compared to the Ramberg-Osgood model for a wide range of temperatures and strain rates. Mechanical properties obtained from flexure tests are also presented and compared to tensile data.
引用
收藏
页码:463 / 479
页数:17
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