Journal of Welding and Joining

The Korean Welding and Joining Society (대한용접접합학회)
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The Sensitization and Intergranular Corrosion Behavior of AISI 316L Clad Steel with Butt Welding

AISI 316L 클래드강의 맞대기 용접부 입계부식과 예민화 거동에 관한 연구

  • Lee, Chul-Ku (Dept. of Mechanical and Automotive Engineering, Seoul National University of Science and Technology) ;
  • Park, Jae-Won (Graduate School of NID Fusion Technology, Seoul National University of Science and Technology)
  • 이철구 (서울과학기술대학교 기계.자동차공학과) ;
  • 박재원 (서울과학기술대학교 NID 융합기술대학원)
  • Received : 2012.11.27
  • Accepted : 2013.04.19
  • Published : 2013.04.30
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Abstract

We have investigated traits of clad metals in hot-rolled clad steel plates, sensitization and mechanical properties of STS 316 steel plate and carbon steel(A516). Clad steel plates were butt-weld by SAW+SMAW, and with the time of heat treatment as the variable, heat treatment was conducted at $625^{\circ}C$, for 80, 160, 320, 640, 1280 minutes. As a way to evaluate it, sectioned weldments and external surfaces were investigated to reveal the degree of sensitization by mechanical property, etching and those of EPR test, results were compared with it. In short, the purpose of this study is suggesting some considerations in developing on-site techniques to evaluate the sensitization of stainless steels.

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References

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  2. Evaluation of Corrosion Resistance and Weldability for the Butt Welding Zone of Hot Rolled Clad Steel Plates vol.31, pp.5, 2013, https://doi.org/10.5781/KWJS.2013.31.5.47