Microstructure, Hardness, and Residual Stress Distributions in T-Joint Weld of HSLA S500MC Steel - Archive ouverte HAL Access content directly
Journal Articles Metallurgical and Materials Transactions A Year : 2017

Microstructure, Hardness, and Residual Stress Distributions in T-Joint Weld of HSLA S500MC Steel

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Abstract

This paper investigates the characterization of the microstructure, hardness, and residual stress distributions of MIG-welded high-strength low-alloy S500MC steel. The T-joint weld for 10-mm-thick plates was joined using a two passes MIG welding technology. The contour method was performed to measure longitudinal welding residual stress. The obtained results highlighted a good correlation between the metallurgical phase constituents and hardness distribution within the weld zones. In fact, the presence of bainite and smaller ferrite grain size in the weld-fusion zone might be the reason for the highest hardness measured in this region. A similar trend of the residual stress and hardness distributions was also obtained.
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hal-02279346 , version 1 (05-09-2019)

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Intissar Frih, Guillaume Montay, Pierre-Antoine Adragna. Microstructure, Hardness, and Residual Stress Distributions in T-Joint Weld of HSLA S500MC Steel. Metallurgical and Materials Transactions A, 2017, 48 (3), pp.1103-1110. ⟨10.1007/s11661-016-3932-6⟩. ⟨hal-02279346⟩

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