用石墨电极进行电火花合金化氧化后对钛进行表面改性

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Science Pub Date : 2024-03-16 DOI:10.1007/s11003-024-00784-9

I. M. Pohrelyuk, M. M. Student, Kh.R. Zadorozhna, V. S. Trush, T. M. Kravchyshyn

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引用次数: 0

摘要

分析了商用纯 BT1-0 钛（c.p. BT1-0 钛）经过氧气热扩散饱和（氧化）和随后与石墨电极进行电火花合金化（ESA）后改性层的特性。研究了表面层的相组成、硬度和摩擦学特性。结果表明，用石墨电极对钛进行表面电火花合金化和组合加工（先氧化后ESA）都能改善钛在无润滑摩擦时的摩擦学特性。因此，摩擦系数从 0.4-0.5 降至 0.15-0.17。同时，钛的耐磨性提高了 1.2-2.9 倍。

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Surface Modification of Titanium by Oxidation Followed by Electrospark Alloying with a Graphite Electrode

The characteristics of the modified layer of commercially pure BT1-0 titanium (c.p. BT1-0 titanium) after oxygen thermal diffusion saturation (oxidation) and subsequent electrospark alloying (ESA) with a graphite electrode were analyzed. The phase composition of surface layers, their hardness and tribological properties were studied. It was shown that both surface electrospark alloying of titanium with a graphite electrode and combined processing (oxidation followed by ESA) improve its tribological characteristics during friction without lubrication. As a result, the friction coefficient decreases from 0.4–0.5 to 0.15–0.17. At the same time, the wear resistance of titanium increases in 1.2–2.9 times.

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来源期刊

Materials Science 工程技术-材料科学：综合

CiteScore

1.60

自引率

44.40%

发文量

审稿时长

4-8 weeks

期刊介绍： Materials Science reports on current research into such problems as cracking, fatigue and fracture, especially in active environments as well as corrosion and anticorrosion protection of structural metallic and polymer materials, and the development of new materials.