Residual stress in the rim of railroad solid wheel was measured nondestructively by an acoustoelasticity method which makes use of the birefringent effect. The acoustic anisotropy is a fractional velocity difference of two shear waves polarized perpendicularly in principal directions and is proportional to the principle stress difference. However, in order to get the residual stress nondestructively, the contribution of texture anisotropy has to be separated from the total acoustic anisotropy. The scatter of the texture anisotropy was investigated using seven wrought wheels, four of which were used for drag brake tests that were to change the residual stress level. The initial and after braked residual stress was analyzed by acoustoelasticity, and the results were compared with the conventional methods and FEM analysis. Conclusively, it is expected through this study that the residual stress averaged through thickness in the rim can be assessed nondestructively by using the average value of the texture anisotropy in the rim within 40 MPa of difference compared with the estimation by conventional destructive methods.
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August 1985
This article was originally published in
Journal of Engineering for Industry
Research Papers
Nondestructive Assessments of Residual Stresses in Railroad Wheel Rim by Acoustoelasticity
K. Hirakawa,
K. Hirakawa
Central Research Laboratories, Sumitomo Metal Industries, Ltd., Amagasaki, Japan
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H. Sakamoto,
H. Sakamoto
Central Research Laboratories, Sumitomo Metal Industries, Ltd., Amagasaki, Japan
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Y. Toya
Y. Toya
Osaka Steel Works, Sumitomo Metal Industries, Ltd., Osaka, Japan
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H. Fukuoka
Osaka University, Toyonaka, Japan
H. Toda
Osaka University, Toyonaka, Japan
K. Hirakawa
Central Research Laboratories, Sumitomo Metal Industries, Ltd., Amagasaki, Japan
H. Sakamoto
Central Research Laboratories, Sumitomo Metal Industries, Ltd., Amagasaki, Japan
Y. Toya
Osaka Steel Works, Sumitomo Metal Industries, Ltd., Osaka, Japan
J. Eng. Ind. Aug 1985, 107(3): 281-287
Published Online: August 1, 1985
Article history
Received:
October 1, 1983
Online:
July 30, 2009
Citation
Fukuoka, H., Toda, H., Hirakawa, K., Sakamoto, H., and Toya, Y. (August 1, 1985). "Nondestructive Assessments of Residual Stresses in Railroad Wheel Rim by Acoustoelasticity." ASME. J. Eng. Ind. August 1985; 107(3): 281–287. https://doi.org/10.1115/1.3185999
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