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Journal of KWJS 2007;25(1):14-23.
Published online March 26, 2007.
용접부의 피로강도 시험평가 및 해외규격과의 비교연구
,
 
Fatigue Tests of Welded Joints and Comparison Study of Foreign Codes
Byeong-Choon Goo, Jai-Hoon Kim
Abstract
  A lot of fatigue tests on a material, JIS SM490A, with yielding strength of about 350 MPa and tensile strength of about 520 MPa were carried out. Various but-welded specimens such as reinforcement removed, as-welded and weld toe ground, several types of fillet-welded specimens and full-size box type components were used. After having obtained S-N curves for the above- mentioned specimens, fatigue strengths were compared to those of foreign design codes, AWS, BS 7608 and ENV. It was found the fatigue strengths at low cycles are not in a good agreement with the foreign codes, but the fatigue limits are in a good agreement.
Key Words: AWS, BS 7608, But weld, Cruciform fillet weld, ENV-193, Fillet weld
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