Microstructure, microhardness and tribological behavior of Al2O3 reinforced A380 aluminum alloy composite coatings prepared by cold spray technique

doi:10.1016/j.surfcoat.2018.07.039

CORC > 金属研究所 > 中国科学院金属研究所

	Microstructure, microhardness and tribological behavior of Al2O3 reinforced A380 aluminum alloy composite coatings prepared by cold spray technique
	Qiu, Xiang 1,2; Tariq, Naeem ul Haq 1,3,4; Wang, Ji-qiang 1; Tang, Jun-rong 1,2; Gyansah, Lawrence 1,3; Zhao, Zhi-po 1,2; Xiong, Tian-ying 1
刊名	SURFACE & COATINGS TECHNOLOGY
	2018-09-25
卷号	350 页码:391-400
关键词	Composite coatings Cold spraying Microstructure Wear Tamping effect
ISSN号	0257-8972
DOI	10.1016/j.surfcoat.2018.07.039
通讯作者	Wang, Ji-qiang(jqwang11s@imr.ac.cn) ; Xiong, Tian-ying(tyxiong@imr.ac.cn)
英文摘要	In the present work, Al2O3 particles reinforced A380 aluminum alloy composite coatings with different Al2O3 content were fabricated by cold spraying (CS). The effect of Al2O3 content on surface roughness, microstructure, microhardness and tribological performance of the composite coatings was studied. Laser confocal imaging, optical microscopy (OM) and scanning electron microscopy (SEM) results revealed that; as the Al2O3 content in the coating increases, the surface roughness decreases while the flattening ratio (FR) of the deformed particles increases due to the tamping effect of the impinging particles. Moreover, Al2O3 particles resulted in increased microhardness and low porosity in the composite coatings due to the refinement of A380 grains and the tamping effect, respectively. The degree of fragmentation of Al2O3 particles increases with the increase of Al2O3 content in the composites. Finally, dry sliding wear tests indicated that the addition of Al2O3 significantly improves the wear properties of the A380 coating as well as the A231 substrate. The improved wear performance of the composites was explained by continuously evolving adhesive, delamination and abrasive wear mechanisms.
资助项目	National Natural Science Foundation of China[51671205]
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000444660500037
资助机构	National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/129531]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wang, Ji-qiang; Xiong, Tian-ying
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China 3.Univ Chinese Acad Sci, 19 A Yuquan Rd, Beijing 100049, Peoples R China 4.Pakistan Inst Engn & Appl Sci, Dept Met & Mat Engn, Islamabad, Pakistan
推荐引用方式 GB/T 7714	Qiu, Xiang,Tariq, Naeem ul Haq,Wang, Ji-qiang,et al. Microstructure, microhardness and tribological behavior of Al2O3 reinforced A380 aluminum alloy composite coatings prepared by cold spray technique[J]. SURFACE & COATINGS TECHNOLOGY,2018,350:391-400.
APA	Qiu, Xiang.,Tariq, Naeem ul Haq.,Wang, Ji-qiang.,Tang, Jun-rong.,Gyansah, Lawrence.,...&Xiong, Tian-ying.(2018).Microstructure, microhardness and tribological behavior of Al2O3 reinforced A380 aluminum alloy composite coatings prepared by cold spray technique.SURFACE & COATINGS TECHNOLOGY,350,391-400.
MLA	Qiu, Xiang,et al."Microstructure, microhardness and tribological behavior of Al2O3 reinforced A380 aluminum alloy composite coatings prepared by cold spray technique".SURFACE & COATINGS TECHNOLOGY 350(2018):391-400.