An Investigation into Work Hardening of Shot Peening Affected Layer Using X-Ray Stress Analysis Technique

Abstract:

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The work hardening effect of the shot peening affected layer of hardened and low temperature tempered spring steel was investigated using the method for determining the yield strength of a metallic surface with biaxial residual stress. The results show that for the surface layer of the specimens, the microhardness and half-width values of X-ray diffraction lines is decreased, whereas the yield strength is increased during shot peening. Thus, shot peening leads the surface layer of steel in hard state to work hardening instead of work softening.

Info:

Periodical:

Materials Science Forum (Volumes 490-491)

Edited by:

Sabine Denis, Takao Hanabusa, Bob Baoping He, Eric Mittemeijer, JunMa Nan, Ismail Cevdet Noyan, Berthold Scholtes, Keisuke Tanaka, KeWei Xu

Pages:

390-395

DOI:

10.4028/www.scientific.net/MSF.490-491.390

Citation:

J.B. Li et al., "An Investigation into Work Hardening of Shot Peening Affected Layer Using X-Ray Stress Analysis Technique", Materials Science Forum, Vols. 490-491, pp. 390-395, 2005

Online since:

July 2005

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Price:

$35.00

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