Obtaining shear relaxation modulus and creep compliance of linear viscoelastic materials from instrumented indentation using axisymmetric indenters of power-law profiles

被引：26
|
作者：
Cheng, Yang-Tse [1 ]
Yang, Fuqian [1 ]
机构：
[1] Univ Kentucky, Dept Chem & Mat Engn, Lexington, KY 40506 USA
来源：
JOURNAL OF MATERIALS RESEARCH | 2009年 / 24卷 / 10期
关键词：
INITIAL UNLOADING SLOPE; FLAT-PUNCH INDENTATION; MECHANICAL-PROPERTIES; CONTACT DEPTH; NANOINDENTATION; LOAD; POLYMERS; TIME; BEHAVIOR;
D O I：
10.1557/JMR.2009.0365
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Using Laplace transform, we solve the inverse problem of obtaining the shear relaxation modulus and creep compliance of linear viscoelastic solids from indentation by axisymmetric indenters of power-law profiles. We identify several simple, though nontrivial, loading paths for carrying out indentation measurements such that the inverse problem has analytical solutions. We show that the shear relaxation modulus and creep compliance may be readily obtained using the newly derived analytical expressions together with proposed indentation loading paths.
引用
收藏
页码：3013 / 3017
页数：5
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