| 等离子喷涂Al_2O_3-TiO_2/MoS_2陶瓷减摩耐磨涂层的结构与性能研究 |
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| 引用本文： | 李兆峰,程德彬,蒋鹏,张建欣.等离子喷涂Al_2O_3-TiO_2/MoS_2陶瓷减摩耐磨涂层的结构与性能研究[J].润滑与密封,2011,36(11). |
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| 作者姓名： | 李兆峰 程德彬 蒋鹏 张建欣 |
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| 作者单位： | 1. 中国船舶重工集团公司第七二五研究所 河南洛阳471039
2. 海军驻407厂军代室 河南洛阳471003 |
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| 摘 要： | 采用等离子喷涂技术在钛合金表面制备Al2O3-TiO2陶瓷涂层,并用MoS2均匀填充涂层表面空隙,在TE66微磨粒磨损试验机上对涂层的摩擦学性能进行系统研究,利用扫描电镜、光学显微镜对涂层的表面形貌、元素构成、膜层厚度和磨斑形貌进行分析,并采用显微维氏硬度计和划痕试验机对涂层的显微硬度和结合强度进行测试。结果表明:涂层与基体之间的结合强度良好,显微硬度高达HV1 457,磨损失重量仅为未涂层样品的1.29%,摩擦因数大幅度降低,存在轻微的疲劳磨损特征。
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| 关 键 词： | 等离子喷涂 减摩耐磨涂层 显微硬度 摩擦因数 磨损失重 |
Microstructure and Properties of Plasma-sprayed Al_2O_3-TiO_2/MoS_2 Ceramic Coatings |
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| Li Zhaofeng,Cheng Debin,Jiang Peng,Zhang Jianxin.Microstructure and Properties of Plasma-sprayed Al_2O_3-TiO_2/MoS_2 Ceramic Coatings[J].Lubrication Engineering,2011,36(11). |
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| Authors: | Li Zhaofeng Cheng Debin Jiang Peng Zhang Jianxin |
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| Affiliation: | Li Zhaofeng1 Cheng Debin2 Jiang Peng1 Zhang Jianxin1(1.Luoyang Ship Material Research Institute,Luoyang Henan 471039,China,2.Military Representative Office in 407 Factory,Luoyang Henan 471003,China) |
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| Abstract: | Al2O3-TiO2 ceramic coatings were formed on titanium alloys surface by plasma spraying technology,and holes were filled using MoS2 solid lubricant.The tribological properties were evaluated on TE66 microabrasion tester.Microstructure,phase composition,thickness and worn surface of ceramic coatings were analyzed by means of optical microscope and scanning electron microscope.The microhardness and bonding strength of the coatings were investigated.Results indicate that the microhardness of the ceramic coatings... |
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| Keywords: | plasma spraying antifriction and wear resistant coating microhardness friction coefficient wear lose |
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