Performance of Ti2AlC composite material in sports equipment

Science and Technology of Materials Pub Date : 2018-05-01 DOI:10.1016/j.stmat.2018.02.004

Y.M. Zhu

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引用次数: 6

Abstract

With the rising and development of material science, the application range of aluminum matrix composites is more and more extensive, and the requirements for performance are also higher. Ti₂AlC composites with both the properties of metals and ceramics have been extensively applied in various fields. In this study, highly purified Ti₂AlC which synthesized using atmospheric high-temperature calcination, and then it was mixed with Al powder and processed by pressureless sintering at 750 °C for 30 min; finally Ti₂AlC/Al composite was obtained. The obtained material was observed and analyzed using X-ray diffraction (XRD) and applied in the manufacturing of sports equipment. The surface abrasion was observed, and the frictional wear performance was analyzed. The results suggested that the friction coefficient and wear rate sharply decreased with the increase of the sliding speed, the emergence of surface oxide film and running-in; lamellar exfoliation and severe frictional wear appeared on the surface of the sports equipment when the sliding speed was low.

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Ti2AlC复合材料在运动器材中的性能

随着材料科学的兴起和发展，铝基复合材料的应用范围越来越广泛，对性能的要求也越来越高。Ti2AlC复合材料具有金属和陶瓷的双重性能，在各个领域得到了广泛的应用。本研究采用常压高温煅烧合成的高纯度Ti2AlC，与Al粉混合，750℃无压烧结30min;最后得到Ti2AlC/Al复合材料。用x射线衍射(XRD)对所得材料进行了观察和分析，并将其应用于运动器材的制造。观察了表面磨损情况，分析了摩擦磨损性能。结果表明:摩擦系数和磨损率随着滑动速度的增加、表面氧化膜的出现和磨合而急剧下降;在较低的滑动速度下，运动器材表面出现片层剥落和严重的摩擦磨损。

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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Science and Technology of Materials

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