Effect of Laser-Textured Surface of Ti6Al4V on Frictional Wear Behavior

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-03-30 DOI:10.15282/ijame.20.1.2023.02.0787

M.H. Zul, Mahadzir Ishak@Muhammad, R.M. Nasir, M.H. Aiman, M.M. Quazi

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Abstract

The need for titanium and its alloys has led to a significant increase in commercial manufacturing, although this material’s poor tribological qualities have been a drawback. The present study was to determine the effect of laser-textured surfaces to enhance Ti6Al4V surface wear performance. The sample underwent laser texturing based on pre-set parameter values at 15 W power at a laser scanning speed of 200 mm/s with a frequency of 50 kHz. The surface morphological and topological profile of laser-textured Ti6Al4V was characterized with also the surface microhardness. A comparative appraisal of wear rate (WR) and coefficient of friction (COF) for related samples of as-received Ti6Al4V and laser-textured Ti6Al4V was performed under dry and oil sliding conditions. The results revealed that the formation of oxidation due to the frictional force and plastic displacement plays a role of abrasive to the laser-textured surface and may result in increasing the COF. The wear rate of the laser-textured surface of Ti6Al4V exhibited 88.31% improvement compared to the as-received Ti6Al4V in the dry sliding wear test. It was proved that Ti6Al4V could benefit from LST to gain effectively enhanced wear performance.

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Ti6Al4V激光织构表面对摩擦磨损性能的影响

对钛及其合金的需求导致了商业制造的显著增加，尽管这种材料的摩擦学质量差是一个缺点。本研究旨在确定激光织构表面对Ti6Al4V表面磨损性能的影响。在15 W功率下，激光扫描速度为200 mm/s，频率为50 kHz，根据预先设定的参数值对样品进行激光纹理处理。对激光织构Ti6Al4V的表面形貌、拓扑形貌及表面显微硬度进行了表征。在干滑和油滑两种条件下，对接收态Ti6Al4V和激光织构Ti6Al4V相关样品的磨损率(WR)和摩擦系数(COF)进行了对比评价。结果表明，由于摩擦和塑性位移引起的氧化对激光织构表面起磨料作用，可能导致COF的增加。在干滑动磨损试验中，激光织构Ti6Al4V表面的磨损率比原位Ti6Al4V提高了88.31%。实验证明，LST可以有效提高Ti6Al4V的磨损性能。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.