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- Yukawa H.
- Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya University
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- Nambu T.
- Department of Materials Science and Engineering, Suzuka National College of Technology
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- Matsumoto Y.
- Department of Mechanical Engineering, Oita National College of Technology
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The alloying effects of tungsten on the hydrogen solubility, the resistance to hydrogen embrittlement and the hydrogen permeability are investigated for Ta-based hydrogen permeable membranes. The hydrogen solubility is found to decrease by the addition of tungsten into tantalum or by increasing the temperature. It is also found that the mechanical properties (i.e., strength and ductility) for Ta-based alloy is better than that for Nb-based alloy in hydrogen atmosphere at high temperature. It is demonstrated that the Ta-5 mol%W alloy possesses excellent hydrogen permeability without showing any hydrogen embrittlement when used under appropriate permeation conditions. For example, the hydrogen flux for Ta-5 mol%W alloy measured at 773 K under the pressure condition of inlet/outlet = 0.15/0.01 MPa is about 5 times higher than that for Pd-27 mol%Ag alloy measured at the same testing condition.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 52 (4), 610-613, 2011
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679226313856
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- NII論文ID
- 10028174894
- 130004454681
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BC3MXovVyqt7s%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 11058183
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可