A full-field procedure for evaluating the elastic properties of advanced ceramics

被引：0
|
作者：
F. M Furgiuele
M. Muzzupappa
L. Pagnotta
机构：
[1] University of Calabria,Department of Mechanical Engineering
来源：
Experimental Mechanics | 1997年 / 37卷
关键词：
Ceramic material; elastic properties; biaxial flexural test; speckle interferometry; Zernike polynomials;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In the present paper, a procedure is described whereby the elastic properties of a ceramic material are evaluated during a biaxial flexure test. The disk specimen is supported on three points and loaded by a uniform pressure on the opposite face. The whole displacement field undergone by the upper face, measured by a digital speckle interferometer, is approximated by a set of polynomials whose weights depend on the elastic properties. This dependence, previously determined by finite element analysis, is exploited to derive the values of the elastic properties from the displacement field experimentally detected. The procedure proposed was applied to a silicon carbide specimen.
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页码：285 / 291
页数：6
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