Effect of Loads on Tribological Behaviors of Ni3Al Matrix Self-Lubricating Composite Coating

doi:10.16078/j.tribology.2018198

CORC > 兰州理工大学 > 兰州理工大学 > 省部共建有色金属先进加工与再利用国家重点实验室

	Effect of Loads on Tribological Behaviors of Ni3Al Matrix Self-Lubricating Composite Coating
	Fan, Xiangjuan 1; Li, Wensheng 1; Yang, Jun 2; Zhu, Shengyu 2; Cheng, Jun 2; Hu, Wei 1; He, Dongqing 1
刊名	Mocaxue Xuebao/Tribology
	2019-07-01
卷号	39 期号:4 页码:418-425
关键词	Aluminum alloys Aluminum metallography Ball milling Binary alloys Chromium steel Composite coatings Friction Loading Molybdenum compounds Nickel oxide Plasma jets Plasma spraying Self lubricating composites Silver compounds Sprayed coatings Ternary alloys Titanium alloys Titanium metallography Tribology Wear of materials 1Cr18Ni9Ti stainless steel Friction and wear reductions High-energy ball milling Ni3Al based Testing temperature Tribological behaviors Tribological properties Wide temperature ranges
ISSN号	10040595
DOI	10.16078/j.tribology.2018198
英文摘要	The micron spherical Ni3Al based composite powder has been fabricated by high-energy ball milling combined with spray granulation. Then it was deposited on an 1Cr18Ni9Ti stainless steel by plasma spraying to form a coating, then the influences of testing temperatures (25 to 800) and loads (5 N, 10 N and 20 N) on the tribological behaviors of this coating were evaluated. SEM, EDS and Raman techniques were adopted to study the lubrication and wear mechanisms of the coating tested at different loads, by analyzing the microstructure and phase constitutes of the wear debris, wear scar of the coating and the counterface pins. The results indicated that within temperature range 25~200, the increase of load from 5 N to 10 N accelerated the precipitation of the lubricant resulting from the synergism between the frictional heat and applied load, providing a friction and wear reduction. However, with further increasing the load to 20 N in this temperature range, the coating was deformed plastically, leading to blocking effect and thus increasing the friction and wear. At temperature from 400 to 600, the oxidation process was accelerated by the friction heat caused by the increased loads, thereby decreased the friction and wear. At 800, the worn surfaces tested at all the loads were covered by a continuous and smooth oxidized glaze layer, which was rich in NiCr2O4, Ag2MoO4 and NiO. The distinction was that when the load of 20 N was applied, the local high stress destroyed the integrity of the lubricating film, thereby decreased the tribological properties. © 2019, Science Press. All right reserved.
语种	中文
出版者	Science Press
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/114266]
专题	省部共建有色金属先进加工与再利用国家重点实验室材料科学与工程学院
作者单位	1.School of Material Science and Engineering, Lanzhou University of Technology, Lanzhou; Gansu; 730050, China; 2.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou; Gansu; 730000, China
推荐引用方式 GB/T 7714	Fan, Xiangjuan,Li, Wensheng,Yang, Jun,et al. Effect of Loads on Tribological Behaviors of Ni3Al Matrix Self-Lubricating Composite Coating[J]. Mocaxue Xuebao/Tribology,2019,39(4):418-425.
APA	Fan, Xiangjuan.,Li, Wensheng.,Yang, Jun.,Zhu, Shengyu.,Cheng, Jun.,...&He, Dongqing.(2019).Effect of Loads on Tribological Behaviors of Ni3Al Matrix Self-Lubricating Composite Coating.Mocaxue Xuebao/Tribology,39(4),418-425.
MLA	Fan, Xiangjuan,et al."Effect of Loads on Tribological Behaviors of Ni3Al Matrix Self-Lubricating Composite Coating".Mocaxue Xuebao/Tribology 39.4(2019):418-425.