为解决常规方法制备TC轴承带来的磨损不均问题,提高TC轴承服役寿命,采用激光增材制造方法在钢制零件基体表面制备耐磨涂层.选用两套不同工艺参数分别在TC轴承内轴套外圆、外轴套内孔进行Cr3C2/Fe基耐磨材料的激光熔覆,获得了无气孔、裂纹且冶金质量优良的耐磨涂层.采用扫描电镜(SEM)、能谱仪(EDS)、X射线衍射(XRD)检测分析手段进行形貌观察、成分分析、物相表征,并使用数字显微硬度计、摩擦磨损试验机、盐雾腐蚀实验箱分别对熔覆层进行硬度、耐磨性和耐腐蚀性进行测试.结果表明:TC轴承耐磨涂层的平均显微硬度为HV700,耐磨性为Ni60涂层的3倍,耐腐蚀性接近于316L不锈钢.
参考文献
| [1] | 杨宝德.螺杆钻具Tc轴承的研制[J].石油机械,1992(06):1. |
| [2] | 张大伟;雷廷权;田贵福.激光熔覆及其在石油机械中的应用现状[J].大庆石油学院学报,1997(04):60. |
| [3] | 许福东;张晓东;孙华鹏.井下动力钻具用TC轴承接触问题的理论研究[J].石油矿场机械,2004(6):21-24. |
| [4] | 邱星武;李刚;邱玲.激光熔覆技术发展现状及展望[J].稀有金属与硬质合金,2008(3):54-57,66. |
| [5] | 张迪;单际国;任家烈.高能束熔覆技术的研究现状及发展趋势[J].激光技术,2001(1):39-42. |
| [6] | Janne Nurminen;Jonne Nakki;Petri Vuoristo.Microstructure and properties of hard and wear resistant MMC coatings deposited by laser cladding[J].International Journal of Refractory Metals & Hard Materials,20092(2):472-478. |
| [7] | 袁庆龙;冯旭东;曹晶晶;苏志俊.激光熔覆技术研究进展[J].材料导报,2010(3):112-116. |
| [8] | 李养良;金海霞;白小波;席守谋.激光熔覆技术的研究现状与发展趋势[J].热处理技术与装备,2009(4):1-5. |
| [9] | 曲选辉;张国庆;章林.粉末冶金技术在航空发动机中的应用[J].航空材料学报,2014(1):1-10. |
| [10] | Xiaojun Wu;Jiandong Xing;Hanguang Fu;Xiaohui Zhi.Effect of titanium on the morphology of primary M_7C_3 carbides in hypereutectic high chromium white iron[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20071/2(1/2):180-185. |
| [11] | A. Bedolla-Jacuinde;R. Correa J.G. Quezada C. Maldonado.Effect of titanium on the as-cast microstructure of a 16%chromium white iron[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20051/2(1/2):297-308. |
| [12] | Chaofeng Wu;Mingxing Ma;Wenjin Liu;Minlin Zhong;Weiming Zhang;Hongjun Zhang.Laser producing Fe-based composite coatings reinforced by in situ synthesized multiple carbide particles[J].Materials Letters,200817/18(17/18):3077-3080. |
| [13] | 王智慧;赵雪飞;贺定勇;蒋建敏;赵秋颖;刘飞.等离子熔覆含亚微米碳化铌铁基耐磨合金组织与性能的研究[J].材料工程,2015(7):73-79. |
| [14] | Li S;Hu QW;Zeng XY;Ji SQ.Effect of carbon content on the microstructure and the crackina susceptibility of Fe-based laser-clad layer[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,20051/4(1/4):63-70. |
| [15] | Wang XH;Zhang M;Liu XM;Qu SY;Zou ZD.Microstructure and wear properties of TiC/FeCrBSi surface composite coating prepared by laser cladding[J].Surface & Coatings Technology,200815(15):3600-3606. |
| [16] | Du, L.;Huang, C.;Zhang, W.;Li, T.;Liu, W..Preparation and wear performance of NiCr/Cr_3C_2-NiCr/hBN plasma sprayed composite coating[J].Surface & Coatings Technology,201112(12):3722-3728. |
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