A study on the effect of welding residual stress and weld bead profiles on fatigue behavior

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초록

In this study, we studied the effect of welding residual stresses and weld bead profiles on fatigue behavior of a material, JIS SM 490 A, with yielding strength of about 350 MPa and tensile strength of about 520 MPa. Using X-grooved butt weld plates, several kinds of test specimens such as parent material, reinforcement removed, as-welded and weld toe ground are made. Tensile tests, instrumented indentation tests and fatigue tests were carried out. And S-N curves for the above specimens were compared and analyzed.

키워드

butt weld; fatigue test; indentation test; residual stress; S-N curves
제목
A study on the effect of welding residual stress and weld bead profiles on fatigue behavior
저자
Goo, Byeong-Choon; Kim, Jae-Hoon; Seo, Jung-Won; Seok, Chang-Sung
DOI
10.4028/www.scientific.net/KEM.270-273.2302
발행일
2004-08
유형
Article; Proceedings Paper
저널명
Key Engineering Materials
권
270-273
페이지
2302 ~ 2307