Abstract
Partial penetration welding joint refers to the groove weld that applies to the one side welding which does not use steel backing and to both side welding without back gouging, that is, the partial penetration welding joint leaves an unwelded portion at the root of the welding area. In this study, we analyzed the residual stress and fracture on the thick metal plates that introduced the partial penetration welding method. According to the above-mentioned welding method, we could draw a conclusion that longitudinal stress and traverse stress occurred around the welding area are so minimal and do not affect any influence. We also performed the fracture behavior evaluation on the partial penetration multi pass welding with 25.4 mm thick plate by using the J-integral, which finally led us the conclusion that the partial penetration multi-pass welding method is more applicable and effective in handling the root face with less than 6.35 mm.
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Kim, S., Shim, Y.L. & Song, J.I. Residual stress and fracture analysis of thick plate for partial penetration multi-pass weldment. KSME International Journal 16, 1033–1039 (2002). https://doi.org/10.1007/BF02984422
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DOI: https://doi.org/10.1007/BF02984422