| 大气等离子喷涂TiB2-316L不锈钢基复合涂层及其耐磨性能 |
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| 引用本文： | 程汉池,栗卓新,安树春,吴永志,李红,史耀武.大气等离子喷涂TiB2-316L不锈钢基复合涂层及其耐磨性能[J].焊接学报,2008,29(7):64-68,80. |
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| 作者姓名： | 程汉池 栗卓新 安树春 吴永志 李红 史耀武 |
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| 作者单位： | 北京工业大学材料科学与工程学院,北京,100022 |
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| 基金项目： | 北京市属市管高等学校人才强教计划资助项目 |
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| 摘 要： | 分别采用高能球磨制备了TiB2含量(质量分数)为10%的316L不锈钢基复合粉,高能球磨与喷雾干燥造粒工艺制备了TiB2含量(质量分数)为40%的316L不锈钢基复合粉,大气等离子喷涂制备相应的TiB2-316L不锈钢基金属陶瓷涂层与316L不锈钢涂层.室温下采用高速环块磨损试验研究TiB2-316L不锈钢基金属陶瓷涂层的磨损特性.采用X射线衍射分析涂层物相,扫描电镜分析喷涂粉末、涂层结构和摩擦副磨损表面形貌.结果表明,大气等离子喷涂两种制粉工艺获得的316L不锈钢基TiB2复合粉能获得较耐磨的316L不锈钢基TiB2复合涂层,耐磨性高于316L不锈钢涂层,且TiB2在复合涂层中增强涂层耐磨性的原因是TiB2颗粒在涂层316L韧性基体中充当强化相,且TiB2在摩擦接触处摩擦氧化形成的氧化产物具有自润滑特性,能减少涂层的磨损量.
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| 关 键 词： | 二硼化钛 316L不锈钢 高能球磨 喷雾干燥 大气等离子喷涂 |
| 收稿时间： | 2007/12/17 0:00:00 |
Wear resistance of TiB2-316L stainless steel matrix composite coatings deposited by atmospheric plasma spraying |
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| CHENG Hanchi,LI Zhuoxin,AN Shuchun,WU Yongzhi,LI Hong and SHI Yaowu.Wear resistance of TiB2-316L stainless steel matrix composite coatings deposited by atmospheric plasma spraying[J].Transactions of The China Welding Institution,2008,29(7):64-68,80. |
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| Authors: | CHENG Hanchi LI Zhuoxin AN Shuchun WU Yongzhi LI Hong and SHI Yaowu |
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| Affiliation: | College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China,College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China,College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China,College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China,College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China and College of Material Science and Engineering, Beijing University of Technology, Beijing 100022, China |
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| Abstract: | TiB2-316L stainless steel matrix composite powders contained 10mass% and 40mass% TiB2 were prepared by high energy ball milling and spray-drying processes respectively.Atmospheric plasma spraying deposited corresponding coatings and 316 L stainless steel coating.High velocity block-on-ring wear tester was used to test wear resistance of as-sprayed coatings.X-ray diffraction analyzed the constitution of as-sprayed coatings.Scanning electron microscope was employed to character as-sprayed coatings, feedstocks and the worn surface morphology.Results show that wear resistance of as-sprayed TiB2-316L stainless steel matrix composite coatings is prior to 316L stainless steel coating.TiB2 particles act as reinforcement component in the coating and oxides from tribo-oxidation of TiB2 in the tribo contact, which possessed self-lubricating function, can reduce mass loss of the coatings during sliding wear. |
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| Keywords: | titanium-diboride 316L stainless steel ballmilling spray-drying atmospheric plasma spray |
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