High-speed friction-induced microstructural evolution and phase transformation in 30CrMnSiNi2A under extreme conditions

IF 5.3 2区材料科学 Q1 MATERIALS SCIENCE, COATINGS & FILMS

Surface & Coatings Technology Pub Date : 2025-03-14 DOI:10.1016/j.surfcoat.2025.132043

Boyi Qi , Ling Qi , Mingshi Wang , Fan Zhang , Kun Sun , Yaosheng Wang

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Abstract

This study explores the microstructural evolution and phase transformations of 30CrMnSiNi2A under a constant load of 600 N at varying sliding speeds. At 35 m/s, abrasive wear was found to be the primary mechanism. Increasing the speed to 69 m/s resulted in grain refinement and a transition to oxidative wear. At 104 m/s, severe plastic deformation and a combination of oxidative wear and plastic flow were dominant. High temperatures at 104 m/s facilitated FeNi interfacial diffusion, forming an Fe₀.₅Ni₀.₅ phase with a face-centered cubic (FCC) structure. The formation of this FCC phase significantly enhanced the structural stability of the material and improved its surface hardness under extreme conditions. Thermodynamic analysis revealed that under these conditions, the recrystallization rate exceeded the deformation rate, providing insights into the thermal and mechanical effects on the alloy wear behavior.

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来源期刊

Surface & Coatings Technology 工程技术-材料科学：膜

CiteScore

10.00

自引率

11.10%

发文量

921

审稿时长

19 days

期刊介绍： Surface and Coatings Technology is an international archival journal publishing scientific papers on significant developments in surface and interface engineering to modify and improve the surface properties of materials for protection in demanding contact conditions or aggressive environments, or for enhanced functional performance. Contributions range from original scientific articles concerned with fundamental and applied aspects of research or direct applications of metallic, inorganic, organic and composite coatings, to invited reviews of current technology in specific areas. Papers submitted to this journal are expected to be in line with the following aspects in processes, and properties/performance: A. Processes: Physical and chemical vapour deposition techniques, thermal and plasma spraying, surface modification by directed energy techniques such as ion, electron and laser beams, thermo-chemical treatment, wet chemical and electrochemical processes such as plating, sol-gel coating, anodization, plasma electrolytic oxidation, etc., but excluding painting. B. Properties/performance: friction performance, wear resistance (e.g., abrasion, erosion, fretting, etc), corrosion and oxidation resistance, thermal protection, diffusion resistance, hydrophilicity/hydrophobicity, and properties relevant to smart materials behaviour and enhanced multifunctional performance for environmental, energy and medical applications, but excluding device aspects.