Characterization of multiaxial constitutive properties of rubbery polymers

被引：22
|
作者：
Chakkarapani, V. [1 ]
Ravi-Chandar, K. [1 ]
Liechti, K. M. [1 ]
机构：
[1] Univ Texas, Dept Aerosp Engn & Engn Mech, Ctr Mech Solids Struct & Mat, Austin, TX 78712 USA
来源：
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME | 2006年 / 128卷 / 04期
关键词：
polyurea; compressibility; shear response; confined compression; Arcan test;
D O I：
10.1115/1.2345439
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Rubbery response of polyurea is examined under monotonic loading in the confined compression, composite compression, and Arcan shear configurations. For polyurea prepared by a casting process, it is shown that while the bulk response is significantly nonlinear, and well fitted by the Tait equation, the shear resistance is extremely small. In contrast, polyurea formed by a spray process shows significant compressibility, inelastic volumetric deformation, and significantly enhanced shear resistance.
引用
收藏
页码：489 / 494
页数：6
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