EXPERIMENTAL ANALYSIS OF THE REPEATABILITY AND ACCURACY OF THE IMPACT EXCITATION OF VIBRATION TECHNIQUE FOR PRISMATIC STEEL SAMPLES

被引：0
|
作者：
Iglesias Raggio, L. [1 ]
Etcheverry, J. [1 ]
Bonadeo, N. [1 ]
机构：
[1] TenarisSiderca R&D, Buenos Aires, DF, Argentina
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B | 2009年 / 1096卷
关键词：
Elastic Constants; Acoustic Velocity;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Measurement of the lowest resonance frequencies for several steel parallelepipeds of different aspect ratios allows analyzing the repeatability of the technique, as well as the influence of the sample geometry on the obtained elastic moduli and wave speeds. In particular, we show that standard expressions for the elastic moduli as functions of the sample dimensions and measured resonance frequencies are not adequate for accuracy better than 1% unless the sample dimensions are chosen in an appropriate way.
引用
收藏
页码：1910 / 1914
页数：5
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