纳米TiO2改性玻璃纤维织物复合材料的摩擦磨损性能研究
Study on the Friction and Wear Behavior of Nano TiO2-Filled Glass Cloth Composites
查看参考文献8篇
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文摘
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采用玄武三号栓-盘式摩擦磨损试验机研究了纳米TiO2和硅烷偶联剂改性玻璃纤维织物的摩擦磨损性能;用配备X射线能量色散谱仪的扫描电子显微镜观察和分析了复合材料磨损表面形貌以及纳米TiO2在粘结剂中的分散情况.结果表明,纳米TiO2和硅烷偶联剂改性玻璃纤维织物可明显改善玻璃纤维织物的摩擦磨损性能,当纳米TiO2的质量分数为5%时,改性玻璃纤维织物的摩擦磨损性能最佳,其磨损率比纯玻璃纤维织物低60%,且其最大承载能力提高.温度对纳米TiO2改性玻璃纤维织物的摩擦磨损性能影响很大,当温度高于200 ℃时,其摩擦系数开始增大、磨损加剧;当温度达到240 ℃时,纳米TiO2改性玻璃纤维织物因发生严重磨损而失效. |
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其他语种文摘
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The friction and wear properties of the glass cloths reinforced with nano-TiO2 and modified with silicon coupling agent (KH560) were studied using a pin-on-disk friction and wear tester. The worn surfaces were observed using a scanning electron microscope, while the Ti distribution in the resin adhesive containing various contents of nano-TiO2 was determined using an energy dispersive X-ray analyzer. It was found that the friction and wear properties of the glass clothes were greatly improved by the modification with silicon coupling agent and reinforcing with nano-TiO2. The filled glass cloth composite containing 5% nano-Ti02 had the best friction and wear properties, and its load-carrying ability was also increased to some extent as compared with the unfilled glass cloth. At the same time, the friction and wear test temperature had a significant effect on the friction and wear properties of the glass cloth reinforced with nano-TiO2- Namely, the filled glass cloth composites showed good friction and wear properties at ambient temperature, but its friction coefficient began to rise at a temperature over 200 ℃ and its wear rate greatly increased thereat. When the friction and wear test temperature rose to 240 ℃, the glass cloth reinforced with nano-TiO2 experienced severe wear, owing to the decomposition of the resin adhesive. |
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来源
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摩擦学学报
,2005,25(2):178-182 【核心库】
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关键词
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玻璃纤维织物复合材料
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纳米TiO2
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硅烷偶联剂
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摩擦磨损性能
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地址
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中国科学院兰州化学物理研究所, 固体润滑国家重点实验室, 甘肃, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-0595 |
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学科
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机械、仪表工业 |
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基金
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国家自然科学基金创新研究群体项目
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文献收藏号
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CSCD:1925202
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