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Study of Elastic Properties of Materials by Electronic Speckle Pattern Interferometry

被引：0
|
作者：
Slabeycius, Juraj [1 ]
Bakosova, Dana [2 ]
机构：
[1] Catholic Univ, Fac Educ, Ruzomberok 03401, Slovakia
[2] A Dubcek Univ, Fac Ind Technol, Puchov 02001, Slovakia
来源：
2ND INTERNATIONAL ADVANCES IN APPLIED PHYSICS AND MATERIALS SCIENCE CONGRESS | 2012年 / 1476卷
关键词：
elastic moduli; ESPI; natural frequencies; FEM analysis;
D O I：
10.1063/1.4751579
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The paper describes the method of determining elastic parameters of materials, based on measurement of natural frequencies of a square thin plate, made from investigated material and freely suspended in a holder. To measure the natural frequencies the electronic speckle pattern interferometry (ESPI) was used. In actually paper the method of determining the elastic constants of isotropic material, based on a whole set of measured natural frequencies is proposed. The finite element method (COSMOS 1.75 software) for fitting procedure was used. The dependencies of natural frequencies on Young modulus were found using FEM. Seeking value of E was found by the least squares method. The described procedure was approved by measuring the elastic parameters of the three aluminum alloys.
引用
收藏
页码：123 / 126
页数：4
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