| Electron Theory Study on the Room TemperatureEmbrittlement in Fe＿3Al and FeAl |
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| 引用本文： | Gang Jianmin, Gao Zhenyan, Zhong Zengyong, Gang Ruilin, Yu Ruihuang. Electron Theory Study on the Room TemperatureEmbrittlement in Fe＿3Al and FeAl[J]. 钢铁研究学报(英文版), 1996, 0(1) |
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| 作者姓名： | Gang Jianmin Gao Zhenyan Zhong Zengyong Gang Ruilin Yu Ruihuang |
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| 摘 要： | ＥｌｅｃｔｒｏｎＴｈｅｏｒｙＳｔｕｄｙｏｎｔｈｅＲｏｏｍＴｅｍｐｅｒａｔｕｒｅＥｍｂｒｉｔｔｌｅｍｅｎｔｉｎＦｅ＿３ＡｌａｎｄＦｅＡｌＧａｎｇＪｉａｎｍｉｎ；ＧａｏＺｈｅｎｙａｎ；ＺｈｏｎｇＺｅｎｇｙｏｎｇ；ＧａｎｇＲｕｉｌｉｎ；ＹｕＲｕｉｈｕａｎｇ...
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Electron Theory Study on the Room Temperature Embrittlement in Fe_3Al and FeAl |
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| Gang Jianmin, Gao Zhenyan, Zhong Zengyong, Gang Ruilin, Yu Ruihuang. Electron Theory Study on the Room Temperature Embrittlement in Fe_3Al and FeAl[J]. Journal of Iron and Steel Research, 1996, 0(1) |
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| Authors: | Gang Jianmin Gao Zhenyan Zhong Zengyong Gang Ruilin Yu Ruihuang |
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| Affiliation: | Gang Jianmin; Gao Zhenyan; Zhong Zengyong; Gang Ruilin; Yu Ruihuang |
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| Abstract: | Considering the intrinsic and environmental embrittlement (IE and EE), the room temperature embrittlement of Fe_3Al and FeAl is analysed by means of empirical electron theory of solids and molecules. It is found that both IE and EE exist in Fe_3Al and FeAl. The IE is determined by the characteristic of bond structure and electron distribution; and the EE results from the remarkable decrease of local metallicity and the formation of severe anisotropy bonds when the interstitial sites have been occupied by solute hydrogen. On the basis of analysis results, the effective methods are proposed to improve the ductilities in Fe_3Al and FeAl. |
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| Keywords: | intermetallic Compound intrinsic embrittlement environmental embrittlement |
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