| 等离子喷涂Al_2O_3-TiO_2涂层的干摩擦磨损特性 |
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| 引用本文： | 肖卫东,赵永武,尚勇军,刘智渭,董远宝.等离子喷涂Al_2O_3-TiO_2涂层的干摩擦磨损特性[J].江南大学学报(自然科学版),2009,8(1). |
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| 作者姓名： | 肖卫东 赵永武 尚勇军 刘智渭 董远宝 |
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| 作者单位： | 1. 江南大学,机械工程学院,江苏,无锡,214122
2. 无锡压缩机股份有限公司,江苏,无锡,214026 |
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| 基金项目： | 江苏省自然科学基金，教育部重点科研项目，教育部回国人员科研启动项目，无锡市产学研项目，清华大学摩擦学国家重点实验室开放项目，江南大学重大基金 |
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| 摘 要： | 利用等离子喷涂方法制备了Al2O3-TiO2涂层,测定了涂层的显微硬度和表观气孔率,并对涂层与GCr15钢配副,在不同P-V值及无润滑情况下进行了球 - 盘式摩擦磨损试验.试验结果表明:Al2O3-TiO2(w(TiO2)=13%)涂层在低速低载条件下具有显著的减摩抗磨性能;Al2O3-TiO2(w(TiO2)=20%)和Al2O3-TiO2(w(TiO2)=40%)涂层在高压力、转速工况下,具有优良的干摩擦特性.研究结果为实际生产选择涂层提供了依据.
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| 关 键 词： | 等离子喷涂 干摩擦磨损 Al2O3-TiO2涂层 磨损机理 |
Research on Tribological Properties of Al_2O_3-TiO_2 Coatings under Dry-Lubrication |
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| XIAO Wei-dong,ZHAO Yong-wu,SHANG Yong-jun,LIU Zhi-wei,DONG Yuan-bao.Research on Tribological Properties of Al_2O_3-TiO_2 Coatings under Dry-Lubrication[J].Journal of Southern Yangtze University:Natural Science Edition,2009,8(1). |
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| Authors: | XIAO Wei-dong ZHAO Yong-wu SHANG Yong-jun LIU Zhi-wei DONG Yuan-bao |
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| Institution: | 1.School of Mechanical Engineering;Jiangnan University;Wuxi 214122;China;2.Wuxi Compressor CO.Ttd;Wuxi 214026;China |
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| Abstract: | Al2O3-TiO2 coatings are formed by plasma spray technology.The friction and wear properties of Al2O3-TiO2 coatings against GCr15 steels are investigated with a ball-on-disc tribometer under a dry-lubrication condition.Furthermore,the microhardness and surface porosity of coatings were determined.The experimental results indicate that as the speed and weight are low,Al2O3-TiO2(w(TiO2)=13%) coating shows good performances of anti-friction and anti-wear.However,Al2O3-TiO2(w(TiO2)=20%) and Al2O3-TiO2(w(TiO2)=40%... |
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| Keywords: | plasma spray dry friction and wear Al2O3-TiO2 coatings wear mechanism |
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