Issue << content << Polymer Composite Materials. Resonanсе Method for Elastic Modulus Monitoring


DOI:

2012. . No. 4(58) - Dec 2012, pp. 13-16

Polymer Composite Materials. Resonanсе Method for Elastic Modulus Monitoring

A. A. Perren, A. M. Baganik

Testing technique problems of the Young’s and shear moduli monitoring for isotropic and orthotropic polymer composite materials are considered. Frequencies of free-end rod samples vibrations (flexural, longitudinal and torsional) are estimated. Formulae and algorithms for elastic modulus calculation are given in relation to samples of wide geometrical dimensions range and various cross-section profiles. Examples of resonance method usage for elastic modulus monitoring of fiber-glass- and carbon fiber-reinforced plastics are also given.
 
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NDT in Mining Industry

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NDT in Mining Industry

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