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Vol.57 No.5

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  • KISE Journal of Korean Institute of Surface Engineering
  • Volume 54(5); 2021
  • Article

Review

KISE Journal of Korean Institute of Surface Engineering 2021;54(5):248-259. Published online: Jan, 3, 2022

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DOI : 10.5695/JKISE.2021.54.5.248

Effects of post weld heat treatment conditions on localized corrosion resistance of super duplex stainless steel tube used for thermal power plant applications

  • Jun Ho Leea, Jin sung Parka, Dong Min Choa, Seung Gab Hongb and Sung Jin Kim a,*
    a Department of Advanced Materials Engineering, Suncheon National University, Jungang-ro, Suncheon 57922, Republic of Korea b POSCO Technical Research Laboratories, Pohang 790-704, Republic of Korea
Abstract

This study examined the influence of post weld heat treatment (PWHT) conditions on corrosion behaviors of laser-welded super duplex stainless steel tube. Due to the high cooling rate of laser welding, the phase fraction of ferrite and austenite in the wel

Keywords Super duplex stainless steel, Corrosion, Cr2N, Sigma phase, Post weld heat treatment