铁基非晶涂层在不同介质溶液中的摩擦学性能研究

doi:10.11896/cldb.24040191

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Abstract Fe-based amorphous coatings were prepared on 316L stainless steel substrates through detonation spraying. The tribological behavior of these coatings was investigated in various solutions, including 3.5% (mass fraction) NaCl, 0.01 mol/L NaOH, and 0.01 mol/L H₂SO₄. The findings reveal that the fabricated Fe-based amorphous coating possesses a homogenous amorphous structure and lower porosity, exhibiting significantly higher hardness than the 316L stainless steel substrate. Notably, the lubrication effect of the solutions results in a substantial reduction in the friction coefficient and wear rate of the coating compared to dry sliding conditions. By XPS, it’s found that a corrosion-resistant passive film composed primarily of Cr and Mo oxides is formed on the coating surface. In the NaCl solution, a large amount of oxides are generated to effectively minimize the wear rate to 4.36×10^-6 mm³·N^-1·m^-1. Similarly, the SiO₂ film formed in the H₂SO₄ solution also contributes to a reduced wear rate of 4.61×10^-6 mm³·N^-1·m^-1. However, in the NaOH solution, the high corrosion potential of the strong alkali leads to the highest wear rate of 6.63×10^-6 mm³·N^-1·m^-1 for the coating. The wear mechanism of the coating in these solutions is primarily influenced by the combined effects of mechanical and corrosive wear, with mechanical wear playing a dominant role.

Key words： Fe-based amorphous coating detonation spraying wet friction wear mechanism

Published: Online: 2025-05-29

CLC number:

TH117.1

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	Articles by authors
	LI Chunling
	WANG Rongfu
	ZHAI Haimin
	LI Wensheng

Cite this article:

LI Chunling,WANG Rongfu,ZHAI Haimin, et al. Tribological Properties of Fe-based Amorphous Coatings in Different Media Solutions[J]. Materials Reports, 2025, 39(11): 24040191-7.

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https://www.mater-rep.com/EN/10.11896/cldb.24040191 OR https://www.mater-rep.com/EN/Y2025/V39/I11/24040191

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