Measurement of thermally induced stresses in continuously welded rail through diffuse ultrasonic backscatter

Christopher M. Kube, Mahmood Fateh, Goutam Ghoshal, Joseph A. Turner

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

The relationship between grain scattering and uniaxial stress has recently been theoretically developed [1]. The scattering results because of reflections at grain boundaries and discontinuities in the microstructure. The acoustoelastic response of individual grains due to temperature and stress gradients has a direct influence on the strength of the scattering. Measurements of mechanically-induced uniaxial compressive stress on a rail section and thermal stresses within continuously welded rail (CWR) were performed. It was found that this technique can produce measurement resolution of at least 10 -4/MPa.

Original languageEnglish (US)
Title of host publicationReview of Progress in Quantitative Nondestructive Evaluation
Pages1673-1680
Number of pages8
Edition31
DOIs
Publication statusPublished - Jul 13 2012
Event38th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE - Burlington, VT, United States
Duration: Jul 17 2011Jul 22 2011

Publication series

NameAIP Conference Proceedings
Number31
Volume1430
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference38th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE
CountryUnited States
CityBurlington, VT
Period7/17/117/22/11

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Keywords

  • Acoustoelasticity
  • Grain Noise
  • Scattering
  • Stress Measurement
  • Ultrasonic Backscatter

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kube, C. M., Fateh, M., Ghoshal, G., & Turner, J. A. (2012). Measurement of thermally induced stresses in continuously welded rail through diffuse ultrasonic backscatter. In Review of Progress in Quantitative Nondestructive Evaluation (31 ed., pp. 1673-1680). (AIP Conference Proceedings; Vol. 1430, No. 31). https://doi.org/10.1063/1.4716414