| 激光熔覆Ni基高温合金粉末涂层磨损机制图 |
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| 引用本文： | 张云凤,孙志礼,张思奇,齐凤莲. 激光熔覆Ni基高温合金粉末涂层磨损机制图[J]. 沈阳建筑工程学院学报(自然科学版), 2010, 26(1) |
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| 作者姓名： | 张云凤 孙志礼 张思奇 齐凤莲 |
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| 作者单位： | 张云凤,ZHANG Yunfeng(沈阳建筑大学交通与机械工程学院,辽宁,沈阳,110168;东北大学机械工程与自动化学院,辽宁,沈阳,110004);孙志礼,SUN Zhili(东北大学机械工程与自动化学院,辽宁,沈阳,110004);张思奇,齐凤莲,ZHANG Siqi,QI Fenglian(沈阳建筑大学交通与机械工程学院,辽宁,沈阳,110168) |
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| 基金项目： | 建设部研究开发项目，总装备部预研项目 |
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| 摘 要： | 目的 研究激光熔覆Ni基高温合金粉末涂层的磨损性能和磨损机理,建立涂层的磨损机制图.方法 以Ni基高温合金粉末为原料,在crM0铸铁表面利用激光熔覆技术制备了减摩耐磨的复合涂层.应用均匀设计的试验方法 进行试验方案的设计.根据不同工作参数组合下的磨损率建立其磨损机制图,根据试验结果 对熔覆层的磨损机理进行了研究.结果 建立了涂层的磨损机制图.激光熔覆Ni基高温合金粉末涂层的磨损形式主要包括严重磨损和轻微磨损.主要磨损机制包括剥层磨损、黏着磨损、磨粒磨损和氧化磨损等.结论 根据磨损机制图.可以确定涂层的安全工作区域为载荷小于4 MPa时,滑动速度大于1.5 m/s;载荷大于4 MPa时.滑动速度在1～2.0m/s.
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| 关 键 词： | 激光熔覆 磨损机制图 Ni基高温合金粉末 均匀试验设计 |
Wear Mechanism of Ni-Based Super-Alloy by Laser Cladding |
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| ZHANG Yunfeng,,SUN Zhili,ZHANG Siqi,QI Fenglian. Wear Mechanism of Ni-Based Super-Alloy by Laser Cladding[J]. Journal of Shenyang Archit Civil Eng Univ: Nat Sci, 2010, 26(1) |
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| Authors: | ZHANG Yunfeng SUN Zhili ZHANG Siqi QI Fenglian |
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| Affiliation: | ZHANG Yunfeng1,2,SUN Zhili2,ZHANG Siqi1,QI Fenglian1(1.School of Traffic , Mechanical Engineering,Shenyang Jianzhu University,Shenyang China,110168,2.College of Mechanical Engineering , Automation,Northeast University,110004) |
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| Abstract: | The paper adopts Nickel-based Super Alloy powder as prepared layer,new typical wear resistance and frication coating is formed on the CrMo cast iron by laser cladding process.Uniform experiment design is presented.The wear mechanism is studied and the wear mechanism map is established.The main wear form includes slight and serious wear,and the wear mechanism of laser cladding layer are delamination,adhesive wear,abrasive wear and oxide wear.The safe working conditions are in that the load is under 4 MPa;the... |
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| Keywords: | laser cladding wear mechanism map Ni-based super alloy uniform experiment design |
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