INTERNAL FRICTION PEAK BY HYDROGEN IN DUPLEX STAINLESS STEEL AND ITS WELD METAL
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概要
- 論文の詳細を見る
Hydrogen content in SUS329J1 duplex stainless steel SUS329J4L(DP3)weld metal and SUS329J3L(DP8)weld metal has been evaluated by using internal friction measurement at a frequency of about 1.5Hz and for the temperature range from liquid nitrogen temperature to 310K. The internal friction peak by hydrogen was recognized at 260K in steels fully or partially composed of austenite such as SUS304, duplex stainless steel and the weld metal, but no peak occurred in ferritic stainless steel such as SUS444. This fact means that the peak is originated from hydrogen in austenite. The linear relationship between the peak height and hydrogen content in austenite, which is independent of the microstructure, is applicable to evaluate hydrogen occlusion behavior in base metal as well as weld metal.
- 1998-09-15
著者
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KURODA Toshio
Osaka University
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Kikuchi Yasushi
Joining And Welding Research Institute Osaka University
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Kuroda T
Osaka University
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KURODA Toshio
Joining and Welding Research Institute, Osaka University
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Kikuchi Y
Akita Prefectural Univ. Noshiro Jpn
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KASAHARA Akihiro
Joining and Welding Research Institute, Osaka University
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Kuroda Toshio
Joining And Welding Research Institute Osaka University
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Kasahara Akihiro
Joining And Welding Research Institute Osaka University
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