Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel

Experimental results

Christopher M. Kube, Hualong Du, Goutam Ghoshal, Joseph A Turner

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In this article, the effects of uniaxial compressive loading on the ultrasonic scattering from polycrystalline grains are shown for 10 MHz ultrasound in annealed, 1018 steel. The results show a decreasing value of the stress-dependent backscatter coefficient for normal incident ultrasound when the compression loading is perpendicular to the scattering direction. The change due to scattering is about 2 orders of magnitude greater than changes observed by others using ultrasonic wavespeed measurements. It is anticipated that this research can serve as the basis for many methods associated with nondestructive determination of stress in structural materials.

Original languageEnglish (US)
JournalJournal of the Acoustical Society of America
Volume132
Issue number1
DOIs
StatePublished - Jul 1 2012

Fingerprint

ultrasonics
steels
coefficients
scattering
Ultrasound
Steel
Compression

ASJC Scopus subject areas

  • Arts and Humanities (miscellaneous)
  • Acoustics and Ultrasonics

Cite this

Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel : Experimental results. / Kube, Christopher M.; Du, Hualong; Ghoshal, Goutam; Turner, Joseph A.

In: Journal of the Acoustical Society of America, Vol. 132, No. 1, 01.07.2012.

Research output: Contribution to journalArticle

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