| 反应等离子喷涂TiC/Fe涂层的摩擦磨损性能研究 |
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| 引用本文： | 张守全,朱警雷,黄继华,王海涛,张华,赵兴科. 反应等离子喷涂TiC/Fe涂层的摩擦磨损性能研究[J]. 材料工程, 2009, 0(7) |
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| 作者姓名： | 张守全 朱警雷 黄继华 王海涛 张华 赵兴科 |
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| 作者单位： | 1. 北京科技大学,材料科学与工程学院,北京,100083;厦门金鹭特种合金有限公司,福建,厦门,361006
2. 北京科技大学,材料科学与工程学院,北京,100083 |
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| 基金项目： | 焊接国家重点实验室开放资助项目，河南杰出人才创新基金 |
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| 摘 要： | 采用等离子喷涂前驱体热分解技术制备的Fe-Ti-C系反应热喷涂粉末,在低碳钢基体上沉积TiC/Fe金属陶瓷复合涂层.利用SEM和X射线衍射仪对涂层的显微组织结构、磨损表面及其相组成进行分析;采用SRV型往复式摩擦磨损试验机评价喷涂涂层的摩擦磨损性能.结果表明: TiC理论含量为53%(质量分数)TiC/Fe金属陶瓷涂层的耐磨粒磨损性能较好,相比基体提高了约25倍;反应等离子喷涂TiC/Fe陶瓷涂层的磨损机制主要为粘着磨损和轻微的剥落.
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| 关 键 词： | 反应等离子喷涂 碳化钛 摩擦磨损性能 |
Tribological Performance of TiC/Fe Coatings Fabricated by Reactive Plasma Spray |
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| ZHANG Shou-quan,ZHU Jing-lei,HUANG Ji-hua,WANG Hai-tao,ZHANG Hua,ZHAO Xing-ke. Tribological Performance of TiC/Fe Coatings Fabricated by Reactive Plasma Spray[J]. Journal of Materials Engineering, 2009, 0(7) |
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| Authors: | ZHANG Shou-quan ZHU Jing-lei HUANG Ji-hua WANG Hai-tao ZHANG Hua ZHAO Xing-ke |
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| Abstract: | TiC reinforced Fe-based cermet coatings have been deposited on the mild steel substrate by reactive plasma spraying using Fe-Ti-C powder prepared by a precursor pyrolysis process. Microstructure, phase composition and wear surface of the coatings were examined by means of scanning electron microscopy and X-ray diffraction. Friction and wear test of TiC/Fe coatings and substrate were investigated by SRV abrasive tester. The results show that the TiC / Fe cermet coatings with 53%(mass fraction)TiC ceramic phases exhibited better abrasive wear resistance and about 25 times higher than that of the 45 mild steel. The adhesive wear and micro-spalling are the major wear mechanism of the TiC/Fe coatings fabricated by reactive plasma spraying. |
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| Keywords: | reactive plasma spraying TiC friction and wear behavior |
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