Dry sliding wear behaviors of Fe-based amorphous metallic coating synthesized by D-gun spray
Dry sliding wear behaviors of Fe-based amorphous metallic coating synthesized by D-gun spray
复制标题
D-枪喷涂铁基非晶金属涂层的干滑动磨损行为
DOI：
10.1016/j.jnoncrysol.2020.120018
复制
发表时间：
2020-06-01
影响因子：
3.5
通讯作者：
Qiu, Xiaolai
中科院分区：
文献类型：
--
作者：
Li, Xuqiang;Zhai, Haimin;Qiu, Xiaolai
The Fe-based amorphous coating has been successfully deposited on a 9Ni steel substrate by D-gun spray. The microstructure and wear behaviors of the coating were studied in detail under dry sliding condition in a ball-on-disk mode by using Si3N4 ball as the counterpart. The results show that the Fe-based amorphous coating has a substantially complete amorphous structure, and the thickness, porosity, and surface hardness are 200 +/- 30 mu m, and 822 +/- 10 Hv(0.1), respectively. Therefore, the coating presented pretty good wear-resistant properties under dry sliding wear conditions with wear rates of (2.74 similar to 16.30) x 10(-6) mm(3) N-1 m(-1). Besides, the results show that the wear rate of coatings is more sensitive to the applied sliding speed than the normal load. As the sliding speed changes from low (0.1 m s(-1)) to high (1.0 m s(-1)), the wear mechanism of the present Fe-based amorphous coating changes from oxidative wear to delamination wear.
