| 双层辉光离子渗成分离析及表面合金贫化 |
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| 引用本文： | 徐江,谢锡善,徐重.双层辉光离子渗成分离析及表面合金贫化[J].北京科技大学学报,2001,23(6):532-534. |
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| 作者姓名： | 徐江 谢锡善 徐重 |
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| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京,100083
2. 太原理工大学表面工程研究所,太原,030024 |
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| 基金项目： | 国家高技术研究发展计划(863计划);715-0080050; |
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| 摘 要： | 研究了在试样20钢上双层辉光离子渗Hastelloy C-2000合金过程中渗层出现的成分离析以及表层Ni,Cr合金元素贫化现象，并进行了一定的理论分析，认为表面合金贫化与工作表面层离子轰击形成的畸变梯度及反溅射有关；万分离析是由于合金Ni,Cr,Mo的溅射特征不同造成的。
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| 关 键 词： | 双层辉光离子渗 多元合金 成分离析 表面合金贫化 镍基耐蚀合金 多元共渗工艺 |
| 修稿时间： | 2001年2月28日 |
Depletion of Alloying Elements and Composition Demixing in Surface Layers by Double Glow Plasma Method |
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| XU Jiang,XIE Xishan,XU Zhong Material Science and Engineering School,UST Beijing,Beijing ,China Research Institute of Surface Engineering,Taiyuan University of Technology,Taiyuan ,China.Depletion of Alloying Elements and Composition Demixing in Surface Layers by Double Glow Plasma Method[J].Journal of University of Science and Technology Beijing,2001,23(6):532-534. |
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| Authors: | XU Jiang XIE Xishan XU Zhong Material Science and Engineering School UST Beijing Beijing China Research Institute of Surface Engineering Taiyuan University of Technology Taiyuan China |
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| Institution: | XU Jiang,XIE Xishan,XU Zhong Material Science and Engineering School,UST Beijing,Beijing 100083,China Research Institute of Surface Engineering,Taiyuan University of Technology,Taiyuan 030024,China |
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| Abstract: | The depletion of alloying elements and composition demixing in surface alloyed layer on the 20# steel in process of double plasmas suface alloying hastelloy C-2000 had been studied. The results showed that the depletion of alloying elements were related to distortion gradient in surface alloyed layer and phenor- nena of antisputter, and the compostion demixing emerged as a result of different sputter character of element Ni,Cr,Mo. |
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| Keywords: | double glow multi-element surface alloying depletion of alloying element |
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