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Wear Mechanism of Iron-based Alloy Coating by Arc Spraying
Alternative TitleWear Mechanism of Iron-based Alloy Coating by Arc Spraying
Li Zengrong1; Li Deyuan1; Zhang Nannan1; Huang He1; Wang Xin1
2016
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume23Issue:8Pages:834-841
AbstractThe arc spraying technique was adopted to prepare three types of iron-based coatings including 08Mn2Si, 4Cr13, and 65Mn. Meanwhile, the metallurgical microscope and scanning electron microscope (SEM) were used to analyze the microstructure of these coatings. Besides, a DPT-5 dye penetrant was painted on the surface of the coatings to simulate the oil fluid, so as to observe its penetration in the pore structures. The MMU-5G end-face high temperature wear tester was used to carry out wear-resistance tests on these coatings and give comparison with grey cast irons. The experimental results showed that the 4Cr13 coating exhibited the best wear resistance under oil batch lubrication condition. According to the study of these coating structures, it was discovered that three coatings presented topology-like structures due to the accumulation of flat particles on the matrices. Meanwhile, it was found that zonal oxides were mixed in particles with some unmolten particles, pores, and cracks. Besides, the larger pores were mutually connected by gap-like pores. The existence of FeO in the coating and the pore structures keep oil in acted antifriction effects.
Other AbstractThe arc spraying technique was adopted to prepare three types of iron-based coatings including 08Mn2Si, 4Cr13, and 65Mn. Meanwhile, the metallurgical microscope and scanning electron microscope (SEM) were used to analyze the microstructure of these coatings. Besides, a DPT-5 dye penetrant was painted on the surface of the coatings to simulate the oil fluid, so as to observe its penetration in the pore structures. The MMU-5G end-face high-temperature wear tester was used to carry out wear-resistance tests on these coatings and give comparison with grey cast irons. The experimental results showed that the 4Cr13 coating exhibited the best wear resistance under oil batch lubrication condition. According to the study of these coating structures, it was discovered that three coatings presented topology-like structures due to the accumulation of flat particles on the matrices. Meanwhile, it was found that zonal oxides were mixed in particles with some unmolten particles, pores, and cracks. Besides, the larger pores were mutually connected by gap-like pores. The existence of FeO in the coating and the pore structures keep oil in acted antifriction effects.
KeywordCARBIDE-FORMING ELEMENTS CHROMIUM CAST-IRON STEEL BEHAVIOR GLASS iron-based coating pore structure wear resistance engine cylinder block light weight
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Science Research Program of Education Department of Liaoning Province of China]
CSCD IDCSCD:5772421
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/147363
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.沈阳理工大学
Recommended Citation
GB/T 7714
Li Zengrong,Li Deyuan,Zhang Nannan,et al. Wear Mechanism of Iron-based Alloy Coating by Arc Spraying[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2016,23(8):834-841.
APA Li Zengrong,Li Deyuan,Zhang Nannan,Huang He,&Wang Xin.(2016).Wear Mechanism of Iron-based Alloy Coating by Arc Spraying.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,23(8),834-841.
MLA Li Zengrong,et al."Wear Mechanism of Iron-based Alloy Coating by Arc Spraying".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 23.8(2016):834-841.
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