Papers by Author: D.L. Wang

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Authors: J.B. Li, X.Y. Gai, D.L. Wang, S.Y. Ma, Vincent Ji
Abstract: 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.
Authors: D.L. Wang, Tao Jin, S.Q. Yang, Z. Wei, J.B. Li, Zhuang Qi Hu
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