利用等离子熔敷技术,以Fe-Cr-C合金粉末为原料,在调质C级钢表面制得了Cr7C3金属陶瓷增强快速凝固耐磨复合涂层.利用光学金相显微镜、扫描电镜、能谱、X射线衍射分析了涂层的显微组织结构,在室温干滑动磨损试验条件下测试了涂层的耐磨性.结果表明:等离子熔敷Cr7C3金属陶瓷增强复合涂层硬度高、组织均匀、与基材之间为完全冶金结合;涂层显微组织为规则块状Cr7C3金属陶瓷初生相均匀分布于Cr7C3与γ-Fe固溶体构成的共晶基体上;涂层在室温干滑动磨损试验条件下表现出优异的耐磨性,涂层磨损质量损失随载荷的增加变化十分缓慢,涂层具有优异的载荷特性.
参考文献
| [1] | Hyung-Jun Kim;Byoung-Hyun Yoon;Chang-Hee Lee .Wear perfomance of the Fe-baeed alloy coatings produced by plasma transferred arc weld-surfacing process[J].Wear,2002,249:846-852. |
| [2] | R. Iakovou;L. Bourithis;G. Papadimitriou .Synthesis of boride coatings on steel using plasma transferred arc (PTA) process and its wear performance[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2002(11/12):1007-1015. |
| [3] | Jong-Ning Aoh;Yau-Ren Jeng;En-Lo Chu;Long-Tien Wu .On the wear behavior of surface clad layers under high temperature[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(2):1114-1122. |
| [4] | T M Chen;T S Liu;L H Chen.Overlaying of Stellite 6 superalloy on austenitic manganese steel by PTA method[A].Chicago,USA,1992:2-5. |
| [5] | LIU Yuan-fu,HAN Jian-min,Zhang Gu-Ling,Wang Jiu-Li,LI Min,YANG Wu-Bao,Liu Chi-Zi,LI Hui-qi,Yang Si-Ze.Microstructure and Wear Resistance of Plasma Jet Clad Ti5Si3/NiTi Composite Coating[J].中国物理快报（英文版）,2004(07):1314-1316. |
| [6] | Peiqing La;Qunji Xue;Weimin Liu .Tribochemical investigation of tungsten carbidertitanium alloy tribo-couples under aqueous lubricationj[J].Wear,2001,249:94-100. |
| [7] | Frangini S.;Masci A.;Di Bartolomeo A. .Cr7C3-based cermet coating deposited on stainless steel by electrospark process: structural characteristics and corrosion behavior[J].Surface & Coatings Technology,2002(2/3):279-286. |
| [8] | Wu Xuedong;Wang Dapu;Yang Shengrong;Xue Qunji .Tribochemical investigation of tungsten carbide /titanium alloy tribo-couples under aqueous lubrication[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2000(1):28-32. |
| [9] | E K Storms.The refractory carbides[M].New York:Academic Press,1967 |
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