| Ti6Al4V合金渗镀Cr-Mo表面改性层组织结构及其耐磨特性研究 |
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| 引用本文： | 秦 林,李 哲,马连军,田林海,刘道新,唐 宾. Ti6Al4V合金渗镀Cr-Mo表面改性层组织结构及其耐磨特性研究[J]. 稀有金属材料与工程, 2009, 38(12): 2226-2229 |
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| 作者姓名： | 秦 林 李 哲 马连军 田林海 刘道新 唐 宾 |
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| 作者单位： | 1. 太原理工大学,山西,太原,030024
2. 西北工业大学,陕西,西安,710072 |
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| 基金项目： | 国家"863"计划项目，国家自然科学基金，山西省青年基金，山西省高等学校青年学术带头人项目 |
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| 摘 要： | 采用双层辉光离子渗技术在Ti6Al4V合金表面进行多元合金化,形成均匀致密的Cr-Mo合金渗层.通过GDOES、XRD等手段标定表层成分和相结构,借助显微硬度计和球盘磨损仪测试合金渗层的性能.结果表明:合金渗层中合金化元素Cr与Mo呈梯度分布,主要由化合物Cr_(1.93)Ti_(1.07)、Cr_2Ti、Cr_2Ti_4O_(11)等相构成;改性的Ti6Al4V合金表面硬度有较大程度的提高,抗磨损性能明显改善.
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| 关 键 词： | Ti6Al4V合金 Cr-Mo改性层 表面合金化 磨损 |
| 收稿时间： | 2008-12-10 |
Study on Microstructure and Wear Resistance of Cr-Mo Surface Modified Layer on Ti6Al4V by Double-Glow Plasma Technique |
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| Qin Lin,Li Zhe,Ma Lianjun,Tian Linhai,Liu Daoxin and Tang Bin. Study on Microstructure and Wear Resistance of Cr-Mo Surface Modified Layer on Ti6Al4V by Double-Glow Plasma Technique[J]. Rare Metal Materials and Engineering, 2009, 38(12): 2226-2229 |
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| Authors: | Qin Lin Li Zhe Ma Lianjun Tian Linhai Liu Daoxin Tang Bin |
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| Abstract: | Ti6Al4V alloy surface was multi-alloyed by a double-glow plasma technique, and the homogeneous and dense Cr-Mo modified layer was formed. The phase structure and composition of the modified layer was characterized by XRD and GDOES, and its properties were tested by microhardness meter and ball-plate wear instrument. The results show that the composition in the modified layer are Cr and a few Mo, and decrease gradually from the surface to the underlying substrate. The layer is composed of Cr1.93Ti1.07, Cr2Ti, Cr2Ti4O11 and a few FeCrMo phase. Surface hardness of the modified Ti6Al4V alloy is increased greatly, and the wear resistance is improved significantly. |
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| Keywords: | Ti6Al4V alloy Cr-Mo modified layer surface alloying wear |
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