| SiCp尺寸及含量对Al基复合材料磨损表层、亚表层形貌的影响 |
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| 引用本文： | 居志兰,花国然,许晓静,戈晓岚.SiCp尺寸及含量对Al基复合材料磨损表层、亚表层形貌的影响[J].润滑与密封,2004(5):19-22. |
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| 作者姓名： | 居志兰 花国然 许晓静 戈晓岚 |
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| 作者单位： | 1. 南通工学院,江苏南通,226007
2. 江苏大学机械工程学院,江苏镇江,212013 |
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| 基金项目： | 江苏省高校自然科学研究基金项目 (编号 :0 3KJD46 0 16 5 )，南通市科技局基金资助项目 (Z2 0 0 3) |
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| 摘 要： | 分别以亚微米级 (130nm)、微米级 (14 μm)SiCp和微米级 (2 0 0目 )Al粉为原料 ,采用冷压烧结和热挤压方法制备出不同体积含量 (1 5 %、 5 % )亚微米、微米级SiCp增强Al基复合材料。研究复合材料磨损表面、亚表层形貌 ,结果表明 :SiCp/Al复合材料具有优良的耐磨性能 ,随着SiCp尺寸的增大 ,含量的增高 ,耐磨性能提高 ;其耐磨机理是磨损表面和亚表层在摩擦推挤形变的作用下形成了Al基体加尺寸适中、近球状、分布弥散SiCp的耐磨组织
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| 关 键 词： | SiCp/Al复合材料 摩擦磨损 机械混合层 亚表层 |
| 文章编号： | 0254-0150(2004)5-019-4 |
| 修稿时间： | 2003年11月6日 |
Influence of SiCp Size and Content on Wear Surface and Sub-surface of SiCp/Al Composites |
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| Ju Zhilan,Hua Guoran,Xu Xiaojing,Ge Xiaolan.Influence of SiCp Size and Content on Wear Surface and Sub-surface of SiCp/Al Composites[J].Lubrication Engineering,2004(5):19-22. |
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| Authors: | Ju Zhilan Hua Guoran Xu Xiaojing Ge Xiaolan |
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| Affiliation: | Ju Zhilan 1 Hua Guoran 1 Xu Xiaojing 2 Ge Xiaolan 2 |
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| Abstract: | The sliding wear-resistance,wear surface and sub-surface of sub-micrometer and micrometer of SiCp/Al matrix composites(1 5%?5 0%)fabricated by powder metallurgy followed by hot extrusion were investigated The results show that,with the increasing in SiCp size and volume,the wear-resistance was improved,a wear-resistance microstructure consisting of Al matrix and soherical,moderate size and homogeneous distribution SiCp is formed in the wear surface of SiCp/Al composities due to the plastic deformation resulting from friction and attrition |
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| Keywords: | SiCp/Al composites frication and wear property mechanical mixed layer sub-surface |
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