Variation of Sound Velocity in Fatigued Aluminum 2024-T4 as a Function fo Hydrostatic Pressure

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1993
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Na, Jeong
Yost, William
Cantrell, John
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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It is well known that a pressure or stress derivative measurement of the sound velocity gives information about the nonlinear elastic properties of the material under investigation. Over the last several decades numerous experiments on various solids using uniaxial stress apparatus or oil-filled hydrostatic pressure chambers have been reported. In most cases the pressure or stress must be increased to several thousand kilobars to obtain reasonable measurements. The necessity of using such high pressure usually results from the low sensitivity of the devices or techniques used to measure the change in the sound velocity.

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Fri Jan 01 00:00:00 UTC 1993