Influence of Hydrogen on Dislocation Structure in a Duplex Stainless Steel

Abstract

Abstract: The dislocation structure of specimens of a duplex stainless steel with precharged hydrogen has been investigated by transmission electron microscopy.The result showed the hydrogen acti- vated dislocation source on phase boundaries of ferrite/austenite and makes certain dislocations in austenite grains move.The dislocation appearances in each phase in specimens uncharged with hydrogen have been given for comparison.

Key words: duplex stainless steel, hydrogen in duced softening, dislocation struc ture

HE Jianhong TANG Xiangyun Department of Materials Science and Engineering Huazhong University of Science and Technology Wuhan,430074,China.Department of Materials Science and Engineering Qinghua University,Beijing,100084,China.. Influence of Hydrogen on Dislocation Structure in a Duplex Stainless Steel[J]. J Mater Sci Technol, 1990, 6(3): 173-176.

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Influence of Hydrogen on Dislocation Structure in a Duplex Stainless Steel

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