Tribological Properties of CoCrNiFe Matrix High-temperature Composite Coatings Reinforced by Yttrium Element
BIAN Canxing1,2,3, QIAN Yu1,2,3, CUI Gongjun1,2,3, LIU Yanping1,2,3, KOU Ziming1,2,3
1 College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024, China 2 Shanxi Mine Fluid Control Engineering Laboratory, Taiyuan 030024, China 3 National-local Joint Engineering Laboratory of Mine Fluid Control, Taiyuan 030024, China
Abstract: The CoCrNiFe matrix composite coatings with Y (0.5wt%, 1.0wt%, 2.0wt%) were prepared on the surface of GH4169 nickel alloy by powder metallurgy technology. The effects of Y on the microstructure and tribological properties of the coatings were systematically investigated, and the Y content was optimized. The high-temperature tribological behaviors were tested by using ball-on-disc tribo-tester from room tempe-rature to 1 000 ℃ sliding against Si3N4 ball. The XRD and SEM technologies were used to analyze the microstructure and high-temperature wear mechanism of the coatings. The main phases of the coatings consisted of γ-Co(fcc), ε-Co(hcp), FeNi3, Ni2.9Cr0.7Fe0.36 and Y2O3. The Y element reacted with the adsorbed oxygen and other oxide impurities on the surface of metal particles during the sintering, so the grain boundaries were purified. The Y2O3 could effectively enhance the hardness and compactness of the coatings, and the hardness and compactness of the coatings were improved with the increase of Y element content. The friction coefficients of the coatings first decreased and then increased with the increase of temperature, and the coatings showed the minimum friction coefficients at 800 ℃. However, the wear rates had an opposite trend. From 20 ℃ to 600 ℃. The wear rates of the coatings were 23.64%—95.90% lower than that of the substrate, and the wear rate was about 3×10-5 mm3/(N·m) at 1 000 ℃. It was ascribed to the high hardness and the lubricating effect of oxide film reinforced by Y2O3. Generally, the composite coating with 1.0wt% Y had the best tribological properties at high temperature. The wear mechanism of the coatings was abrasive wear and slight plastic deformation at low temperature while oxidation wear was the wear mechanism at high temperature.
1 Zhu S Y, Cheng J, Qiao Z H, et al. Tribology International,2018,133,206. 2 Chen J M, Lu X W, Li H X, et al. Tribology,2014,34(5),592(in Chinese). 陈建敏,卢小伟,李红轩,等.摩擦学学报,2014,34(5),592. 3 Liu E Y, Jia J H, Gao Y M, et al. China Surface Engineering,2015,28(4),1(in Chinese). 刘二勇,贾均红,高义民,等.中国表面工程,2015,28(4),1. 4 Yuan X J, Guan N, Hou G L, et al. Materials Reports,2020,34(5),05061(in Chinese). 袁晓静,关宁,侯根良,等.材料导报,2020,34(5),05061. 5 Li B Y, Cao Z Q. Surface Technology,2017,46(9),32(in Chinese). 李博雅,曹志强.表面技术,2017,46(9),32. 6 Xi W C, Song B X, Wang Z, et al. Surface Technology,2019,48(3),211(in Chinese). 郗文超,宋博学,王钊,等.表面技术,2019,48(3),211. 7 Zhou C J, Zhu S, Wang X M, et al. Materials Reports A:Review Papers,2018,32(10),3444(in Chinese). 周超极,朱胜,王晓明,等.材料导报:综述篇,2018,32(10),3444. 8 Yang B, Yu J S, Gu Q C, et al. Materials Reports,2021,35(3),3050(in Chinese). 杨博,余金山,顾全超,等.材料导报,2021,35(3),3050. 9 Farnia A, Malek G F, Rao J C, et al. Surface & Coatings Technology,2012,213,278. 10 Birol Y. Wear,2010,269(9),664. 11 Li X, Zhang C H, Zhang S, et al. Optics and Laser Technology,2019,114,209. 12 Korashy A, Attia H, Thomson V, et al. Tribology International,2020,145,106155. 13 Dreano A, Fouvry S, Guillonneau G. Wear,2020,452-453,203297. 14 Song T, Tan X X, Tan Z J, et al. Surface Technology,2017,46(8),201(in Chinese). 宋涛,谭晓晓,谭志俊,等.表面技术,2017,46(8),201. 15 Zheng Z B, Wang S, Long J, et al. Corrosion Science,2020,164,108359. 16 Nouri M, Sun X G, Li D Y. Tribology International,2013,67,154. 17 Yang X D, Li C W, Zhang Z Y, et al. Applied Surface Science,2020,521,146360. 18 Zhong L X, Yang M B. Journal of Chongqing University of Technology(Natural Science),2019,33(1),99(in Chinese). 钟罗喜,杨明波.重庆理工大学学报(自然科学版),2019,33(1),99. 19 You X C. Journal of Chongqing University of Technology(Natural Science),2020,34(6),123(in Chinese). 游晓畅.重庆理工大学学报(自然科学版),2020,34(6),123. 20 Liu Q F, Chen C J, Zhang M. Materials Characterization,2020,165,110401. 21 Mengis L, Grimme C, Galetz M C. Wear,2019,426-427,341. 22 Cui G J, Yang Z W, Wang W J, et al. Journal of Central South University,2019,26(10),2643. 23 Wang Y, Zeng W, Han J, et al. Materials Reports,2020,34(18),18119(in Chinese). 王宇,曾伟,韩靖,等.材料导报,2020,34(18),18119. 24 Bao Z B, Jiang C Y, Zhu S L, et al. Journal of Aeronautical Materials,2018,38(2),21(in Chinese). 鲍泽斌,蒋成洋,朱圣龙,等.航空材料学报,2018,38(2),21. 25 Zhou Z Y, Zhuang S G, Yang X H, et al. Journal of Materials Enginee-ring,2019,47(3),101(in Chinese). 周仲炎,庄宿国,杨霞辉,等.材料工程,2019,47(3),101. 26 Qu S G, Yuan Z M, Lai F Q, et al. Journal of Central South University (Science and Technology),2018,49(5),1087(in Chinese). 屈盛官,袁志敏,赖福强,等.中南大学学报(自然科学版),2018,49(5),1087. 27 Zhang T G, Zhuang H F, Zhang Q, et al. Ceramics International,2020,46(9),13711. 28 Cui G J, Liu H Q, Li S, et al. Journal of Materials Research and Techno-logy,2020,9(2),2402.
渝公网安备50019002502923号 版权所有：《材料导报》编辑部
2022, Vol. 36 
