| Surface modification of （Tb0.3Dy0.7）Fe1.95 alloy by ion nitriding process |
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| 引用本文： | 李扩社,李红卫,严辉,于敦波,王丰瀛,张世荣,张国成. Surface modification of （Tb0.3Dy0.7）Fe1.95 alloy by ion nitriding process[J]. 中国稀土学报(英文版), 2009, 27(2): 240-243. DOI: 10.1016/S1002-0721(08)60227-6 |
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| 作者姓名： | 李扩社 李红卫 严辉 于敦波 王丰瀛 张世荣 张国成 |
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| 作者单位： | LI Kuoshe(National Engineering Research Center for Rare Earth Materials,General Research Institute for Non-Ferrous Metals,and Grirem Advanced Materials Co.Ltd.,Beijing 100088,China;College of Materials Science and Engineering,Beijing University of Technology,Beijing 100022,China);LI Hongwei,YU Dunbo,ZHANG Shirong,ZHANG Guocheng(National Engineering Research Center for Rare Earth Materials,General Research Institute for Non-Ferrous Metals,and Grirem Advanced Materials Co.Ltd.,Beijing 100088,China);YAN Hui,WANG Fengying(College of Materials Science and Engineering,Beijing University of Technology,Beijing 100022,China) |
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| 基金项目： | 国家高技术研究发展计划(863计划)，北京市自然科学基金，国家自然科学基金 |
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| 摘 要： |
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| 关 键 词： | 离子氮化工艺 表面改性 95合金 表面硬度 离子渗氮 离子氮化处理 磁致伸缩 耐腐蚀 |
| 收稿时间： | 2008-05-15 |
Surface modification of (Tb0.3Dy0.7)Fe1.95 alloy by ion nitriding process |
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| LI Kuoshe,LI Hongwei,YAN Hui,YU Dunbo,WANG Fengying,ZHANG Shirong,ZHANG Guocheng. Surface modification of (Tb0.3Dy0.7)Fe1.95 alloy by ion nitriding process[J]. Journal of Rare Earths, 2009, 27(2): 240-243. DOI: 10.1016/S1002-0721(08)60227-6 |
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| Authors: | LI Kuoshe LI Hongwei YAN Hui YU Dunbo WANG Fengying ZHANG Shirong ZHANG Guocheng |
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| Affiliation: | [1]National Engineering Research Center for Rare Earth Materials, General Research Institute for Non-Ferrous Metals, and Grirem Advanced Materials Co. Ltd., Beijing 100088, China [2]College of Materials Science and Engineering, Bering University of Technology, Beijing 100022, China |
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| Abstract: | Effect of ion nitriding modification on surface hardness, corrosion resistance and magnetostriction of (Tb0.3Dy0.7)Fe1.95 alloy was investigated. Results demonstrated that a 100-200 nm thick nitrided layer was formed on the sample surface by ion nitriding treatment, which improved obviously surface hardness, wear, and corrosion resistance properties of (Tb0.3Dy0.7)Fe1.95 alloys. The surface hardness was increased from HV587 to HV622 after ion nitriding at 650 K for 6 h. Furthermore, ion nitriding treatment had almost no influence on mag-netostrictive performance as the nitrided layer was quite thin and the treatment temperature was not too high. The results might provide us a new approach for surface modification of (Tb0.3Dy0.7)Fe1.95 alloy. |
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| Keywords: | magnetostriction ion nitriding surface modification (Tb0.3Dy0.7)Fe1.95 rare earths |
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