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ISSN : 1598-6721(Print)
ISSN : 2288-0771(Online)
The Korean Society of Manufacturing Process Engineers Vol.13 No.1 pp.100-106
 

Characteristic study of mechanical properties of Structural rolled steel and Stainless steel for MIG welding

Lim, J.Y.,Yoon, M.J.,Kim, S.Y.,Kim, T.G.,

Abstract

It is well known that fatigue failures occur on welded structures in industrial application due to repetitive load force. In order to decrease the incidence of fatigue failure, we analyzed the mechanical properties based on structural aspects in rolled steel(SS 400) welded onto stainless steel (STS 304) by the MIG welding method as well as the structure of rolled steel welded onto itself. We compared the hardness, tensile and fatigue properties with two types of samples which had no defects on the welding parts as observed by X-ray topographic analysis. It was found that the tensile and fatigue strength levels of SS 400 welded onto STS 304 by the MIG welding method were higher than those of STS 304 welded onto itself.

구조용 압연강재와 스테인리스 강재의 MIG 용접에 대한 기계적 특성연구

임종영,윤명진,김상윤,김태규,

초록