| Ti6Al4V合金微弧氧化陶瓷膜的组织结构研究 |
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| 引用本文： | 蒙晓涓,李卫京,崔世海,韩建民.Ti6Al4V合金微弧氧化陶瓷膜的组织结构研究[J].航空材料学报,2009,29(2). |
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| 作者姓名： | 蒙晓涓 李卫京 崔世海 韩建民 |
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| 作者单位： | 1. 北京交通大学机械电子与控制工程学院,北京,100044
2. 天津科技大学机械工程学院,天津,300222 |
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| 基金项目： | 科技部国际合作项目，北京交通大学校基金 |
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| 摘 要： | 采用微弧氧化技术在钛合金表面成功制备出膜厚约100μm的致密陶瓷膜以提高钛合金的耐磨性.SEM结果表明,陶瓷膜完整连续,与基体呈犬牙状牢固结合.XRD衍射结果表明:陶瓷膜主要由金红石型二氧化钛和Al2TiO4晶体相组成.显微硬度结果表明钛合金微弧氧化陶瓷膜的显微硬度为862HV而基体合金硬度仅为412HV,陶瓷膜的硬度远远高于基体合金的显微硬度.摩擦磨损试验表明,镀膜的钛合金磨损量远小于不镀膜钛合金的磨损量,陶瓷膜能提高基体的摩擦磨损性能.
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| 关 键 词： | 钛合金 微弧氧化 陶瓷膜 耐磨性 |
Microstructure of Ceramic Coating on Ti6Al4V Alloy by Microarc Oxidation Technology |
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| MENG Xiao-juan,LI Wei-jing,CUI Shi-hai,HAN Jian-min.Microstructure of Ceramic Coating on Ti6Al4V Alloy by Microarc Oxidation Technology[J].Journal of Aeronautical Materials,2009,29(2). |
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| Authors: | MENG Xiao-juan LI Wei-jing CUI Shi-hai HAN Jian-min |
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| Institution: | 1.School of Mechanical;Electronic and Control Engineering;Beijing Jiaotong University;Beijing 100044;China;2.College of Mechanical Engineering;Tianjin University of Science and technology;Tianjin 300222;China |
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| Abstract: | A dense ceramic coating with 100 micron was successfully produced on Ti6Al4V alloy by using microarc oxidation method in order to improve its wear resistance.SEM results showed that the ceramic coating was well bonded with the substrate.XRD showed that the ceramic coating was mainly composed of Al2TiO5 and Rutile.The microhardness test showed that the microhardness of ceramic coating was 862HV while that of the substrate was only 412HV.The microhardness of the ceramic coating was obviously higher that of th... |
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| Keywords: | titanium alloy microarc oxidation ceramic coating wear resistance |
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