Effect of Mechanical Deformation on Permeation of Hydrogen in Iron
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概要
- 論文の詳細を見る
Rate of hydrogen permeation was measured under static as well as dynamic mechanical deformation conditions. Cylindrical tensile test specimens were used for the study and hydrogen permeation was measured electrochemically. It was observed that the hydrogen diffusivity decreased as plastic deformation increased for the static deformation experiments while elastic deformation had no significant effect on diffusivity but increased the steady state permeation flux. For the dynamic loading experiment, an elastic deformation increased the hydrogen permeation rate almost linearly. Onset of plastic deformation led a sudden decrease of permeation rate and the reduced rate was rapidly recovered when the plastic deformation ceased. These rapid changes in the permeation rates were explained that the absorbed hydrogen was trapped by dislocations and creation rate and density of dislocations changed drastically when plastic deformation started and stopped.
- 社団法人 日本鉄鋼協会の論文
- 2003-04-15
著者
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NISHIKATA Atsushi
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology
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Tsuru Tooru
Department Of Metallurgical Engineering Tokyo Institute Of Technology
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Nakajima Akira
Department Of Applied Electronics Tokyo Institute Of Technology
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HUANG Yanliang
Department of Metallurgy and Ceramics Science, Graduate School of Science and Engineering Tokyo Inst
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Huang Yanliang
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Tsuru Tooru
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Nishikata Atsushi
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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Nishikata Atsushi
Department Of Metallurgy And Ceramics Science Graduate School Of Engineering Tokyo Institute Of Tech
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Nakajima Akira
Department Of Metallurgy And Ceramics Science Graduate School Of Science And Engineering Tokyo Insti
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NISHIKATA Atsushi
Department of Chemistry and Materials Science, Tokyo Institute of Technology
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