Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel: Experimental results

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

doi:10.1121/1.4729600

Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel: Experimental results

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

Engineering Science and Mechanics

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

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 language	English (US)
Pages (from-to)	EL43-EL48
Journal	Journal of the Acoustical Society of America
Volume	132
Issue number	1
DOIs	https://doi.org/10.1121/1.4729600
State	Published - Jul 2012

All Science Journal Classification (ASJC) codes

Arts and Humanities (miscellaneous)
Acoustics and Ultrasonics

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10.1121/1.4729600

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title = "Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel: Experimental results",

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.",

author = "Kube, {Christopher M.} and Hualong Du and Goutam Ghoshal and Turner, {Joseph A.}",

note = "Funding Information: The support of the Federal Railroad Administration (Grant No. DTFR53-G-00011) for this research is gratefully acknowledged. ",

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AU - Kube, Christopher M.

AU - Du, Hualong

AU - Ghoshal, Goutam

AU - Turner, Joseph A.

N1 - Funding Information: The support of the Federal Railroad Administration (Grant No. DTFR53-G-00011) for this research is gratefully acknowledged.

PY - 2012/7

Y1 - 2012/7

N2 - 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.

AB - 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.

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Stress-dependent changes in the diffuse ultrasonic backscatter coefficient in steel: Experimental results

Abstract

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