SYMPOSIA PAPER Published: 01 January 1990

The Pulsed Ultrasonic Velocity Method for Determining Material Dynamic Elastic Moduli


Material dynamic elastic moduli can be readily obtained from a knowledge of the material's sound velocity(s) and density. One well-established ultrasonic technique for making the velocity measurements is the pulsed-wave transit-time technique. It is a versatile and potentially very accurate technique that can also assess the material elastic homogeneity and anisotropy. Here the many measurement and material factors affecting the precision of the method are addressed. A specific example of the effect of grain size on measurements in steel is presented in some detail.

Author Information

Blessing, GV
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Developed by Committee: E28
Pages: 47–57
DOI: 10.1520/STP24614S
ISBN-EB: 978-0-8031-5111-6
ISBN-13: 978-0-8031-1291-9