利用机械-摩擦氧化协同作用改善Ti3SiC2/SiC复合陶瓷在SiC宽温度域的摩擦磨损性能

IF 5.3 1区工程技术 Q1 ENGINEERING, MECHANICAL

Wear Pub Date : 2025-03-06 DOI:10.1016/j.wear.2025.205984

Chengzhi Du , Haotian Xie , Jiahui Liu , Bo Lei , Rui Zhang

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引用次数: 0

摘要

材料的耐磨性是延长设备使用寿命的关键因素。本研究旨在通过粉末冶金技术制备不同SiC含量的Ti3SiC2/SiC复合陶瓷，提高Ti3SiC2的耐磨性和高温固体润滑性能。该研究研究了这些复合材料在宽温度范围内的摩擦磨损行为，重点研究了SiC在摩擦磨损过程中的作用。该分析包括建立双变量-温度和SiC含量-以及磨损微观形貌，成分和结构的检查。结果表明，Ti3SiC2/SiC复合陶瓷的摩擦学性能随着温度和SiC含量的升高而提高。这些复合材料的高耐磨性归因于氧化的协同作用，氧化层的形成和基体的机械性能，使它们适合于卓越的固体润滑应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Improvement of Ti3SiC2/SiC composite ceramic friction and wear behavior by mechanical-friction oxidation synergism in a wide temperature domain of SiC

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Improvement of Ti3SiC2/SiC composite ceramic friction and wear behavior by mechanical-friction oxidation synergism in a wide temperature domain of SiC

The wear resistance of materials is a critical factor in prolonging the lifespan of equipment. This study aims to enhance the wear resistance and high-temperature solid lubrication properties of Ti₃SiC₂ by preparing Ti₃SiC₂/SiC composite ceramics with varying SiC content through powder metallurgy techniques. The research investigates the friction and wear behavior of these composites over a broad temperature range, focusing on the role of SiC in the frictional wear process. This analysis includes the establishment of dual variables-temperature and SiC content-as well as an examination of wear micromorphology, composition, and structure. The results indicate that the tribological properties of Ti₃SiC₂/SiC composite ceramics improve with increasing temperature and SiC content. The high wear resistance of these composites is attributed to the synergistic effects of oxidation, the formation of an oxide layer, and the mechanical properties of the matrix, rendering them suitable for superior solid lubrication applications.

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来源期刊

Wear 工程技术-材料科学：综合

CiteScore

8.80

自引率

8.00%

发文量

280

审稿时长

47 days

期刊介绍： Wear journal is dedicated to the advancement of basic and applied knowledge concerning the nature of wear of materials. Broadly, topics of interest range from development of fundamental understanding of the mechanisms of wear to innovative solutions to practical engineering problems. Authors of experimental studies are expected to comment on the repeatability of the data, and whenever possible, conduct multiple measurements under similar testing conditions. Further, Wear embraces the highest standards of professional ethics, and the detection of matching content, either in written or graphical form, from other publications by the current authors or by others, may result in rejection.