Effect of TaC content on microstructure and wear behavior of PRMMC Fe-TaC coating manufactured by electrospark deposition on AISI304 stainless steel

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

Surface & Coatings Technology Pub Date : 2024-10-09 DOI:10.1016/j.surfcoat.2024.131446

A.A. Burkov, P.G. Chigrin, M.A. Kulik

引用次数: 0

Abstract

The Fe-TaC coatings on stainless steel by electrospark granule deposition in an anode mixture of iron granules and tantalum carbide powder were first obtained. The material deposition rate on the substrate increased with the TaC powder concentration growth in the anode mixture, facilitating the initiation of electrical discharges. X-ray analysis of deposited coatings shows the presence of the TaC, γFe, and αFe phases. The tantalum carbide concentration grows with an increase in the content of TaC powder in the anode mixture, from 2.4 to 14.8 vol%. The dependence of the wear rate of coatings on the concentration of tantalum carbide in the anode mixture had a parabola form, with a minimum of 5 vol%. However, with a further increase in the TaC concentration in the anode mixture, the wear rate of the coatings monotonically increased due to spalling of TaC grains due to a deficiency of the metal binder.

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TaC 含量对 AISI304 不锈钢电火花沉积法制造的 PRMMC Fe-TaC 涂层微观结构和磨损行为的影响

通过在铁颗粒和碳化钽粉末的阳极混合物中进行电火花颗粒沉积，首次在不锈钢上获得了 Fe-TaC 涂层。随着阳极混合物中 TaC 粉末浓度的增加，基底上的材料沉积速率也随之增加，从而促进了放电的启动。沉积涂层的 X 射线分析表明存在 TaC、γFe 和 αFe 相。碳化钽的浓度随着阳极混合物中 TaC 粉末含量的增加而增加，从 2.4% 增加到 14.8%。涂层磨损率与阳极混合物中碳化钽浓度的关系呈抛物线形式，最小值为 5%。然而，随着阳极混合物中碳化钛浓度的进一步增加，涂层的磨损率单调增加，这是由于金属粘合剂不足导致碳化钛晶粒剥落。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.