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接枝改性纳米氧化铝填充PTFE复合材料摩擦学性能研究 被引量：7

Tribological Properties of PTFE Composites Filled with Grafted Alumina Nanoparticles
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摘要 合成了含氟分子链接枝改性纳米氧化铝(Al2O3),用接枝改性纳米Al2O3填充聚四氟乙烯(PTFE),采用模压成型法制备了不同接枝改性纳米Al2O3含量的PTFE/纳米Al2O3复合材料;在摩擦磨损试验机上考察了接枝改性纳米Al2O3对PTFE/纳米Al2O3复合材料摩擦学性能的影响,利用扫描电子显微镜对复合材料的磨损表面进行了微观分析。结果表明,接枝改性纳米Al2O3填充PTFE复合材料在保持PTFE低摩擦系数的同时,提高了其耐磨损性能。 Fluorinated polymer chain grafted alumina nanoparticles were synthesized.Polytetrafluoroethylene （ PTFE ） nanocomposites filled with grafted alumina nanoparticles were prepared by compression molding.The effects of grafted alumina nanoparticles on the tribological behavior of the nanocomposites were investigated on a tribometer.The abrasion mechanisms of the nanocomposites were investigated by scanning electron microscopy of the abraded surfaces.The results showed that the addition of grafted alumina nanoparticles maintained low friction coefficient and improved the wear resistance of the nanocomposites.
作者 牛永平 李香燕 张军凯 韩明 张永振
机构地区 河南科技大学材料摩擦学重点实验室
出处 《工程塑料应用》 CAS CSCD 北大核心 2012年第7期5-8,共4页 Engineering Plastics Application
基金 国家自然科学基金项目(U1034002 51175149) 河南科技大学人才科研基金项目(09001146)
关键词 聚四氟乙烯 接枝改性纳米Al2O3 复合材料 摩擦学性能 PTFE grafted alumina nanoparticles composites tribological properties
分类号 TQ325.4 [化学工程—合成树脂塑料工业]
  • 相关文献

参考文献13

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二级参考文献10

  • 1Biswas S K,Kalyani Vijayan.Friction and wear of PTFE-a review[J].Wear,1992,158(1-2):193-211.
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  • 9孙庆杰,冯新,王海棠,史以俊,汪怀远,陆小华.硅灰石的表面改性对其填充PTFE复合材料摩擦学性能和力学性能的影响[J].工程塑料应用,2008,36(8):13-16. 被引量：11
  • 10牛永平,蔡利华,张永振.不同气氛环境中纳米Al_2O_3/PTFE复合材料摩擦磨损特性研究[J].润滑与密封,2009,34(4):24-27. 被引量：5

共引文献20

同被引文献88

引证文献7

二级引证文献21

工程塑料应用
2012年 第7期

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