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表面修饰硼酸镁纳米微粒的制备及其在水中的润滑性能
引用本文:龚斌,陈波水,娄方,方建华,安建勇. 表面修饰硼酸镁纳米微粒的制备及其在水中的润滑性能[J]. 机械工程材料, 2008, 32(11)
作者姓名:龚斌  陈波水  娄方  方建华  安建勇
作者单位:重庆后勤工程学院油料应用与管理工程系;
基金项目:教育部“新世纪优秀人才支持计划”资助项目(NCET-04-1002)
摘    要:用化学沉淀法制备了油酸三乙醇胺修饰的硼酸镁纳米微粒,并用透射电子显微镜、X射线衍射仪和红外光谱仪等对微粒进行了表征;采用四球摩擦磨损试验机研究了其在水溶液中的润滑,用扫描电子显微镜观察了磨斑表面形貌,用X射线光电子能谱分析了磨斑表面的化学成分。结果表明:所制备的硼酸镁纳米微粒粒径为40~60 nm,并且表面修饰剂与纳米微粒发生了化学反应;纳米微粒在摩擦副表面形成了一层润滑膜;在摩擦副表面检测出镁、硼、铁等的氧化物,这些氧化物保护膜起到良好的润滑作用。

关 键 词:硼酸镁  纳米微粒  水溶液  润滑性能  

Preparation and Lubricating Properties of Nanometer Magnesium Borate in Aqueous Solution
GONG Bin,CHEN Bo-shui,LOU Fang,FANG Jian-hua,AN Jian-yong. Preparation and Lubricating Properties of Nanometer Magnesium Borate in Aqueous Solution[J]. Materials For Mechanical Engineering, 2008, 32(11)
Authors:GONG Bin  CHEN Bo-shui  LOU Fang  FANG Jian-hua  AN Jian-yong
Affiliation:GONG Bin,CHEN Bo-shui,LOU Fang,FANG Jian-hua,AN Jian-yong(Logistical Engineering University,Chongqing 400016,China)
Abstract:Magnesium borate nanoparticles modified by oleic acid triethanolamine were successfully synthesized by direct deposition and was characterized by means of transmission electron microscopy,X ray diffraction and infrared spectroscopy respectively.The effect of nanometer magnesium borate used as additives in aqueous solution on the lubricating behavior was investigated using a four-ball tester.The nanometer magnesium borate.The worn surfaces of the stee1 ball were analyzed by scanning electron microscopy.It wa...
Keywords:magnesium borate  nanoparticle  aqueous solution  lubricating behavior  
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