Investigation of microstructure and tribological performances of high-fraction TiC/graphene reinforced self-lubricating Al matrix composites

被引：14
|
作者：
Lin, Fei [1 ]
Ren, Mengyuan [1 ]
Wu, Hui [1 ]
Jia, Fanghui [1 ]
Lu, Yao [1 ]
Huo, Mingshuai [1 ]
Yang, Ming [2 ]
Chen, Zhixin [1 ]
Jiang, Zhengyi [1 ]
机构：
[1] Univ Wollongong, Sch Mech Mat Mechatron & Biomed Engn, Wollongong, NSW 2522, Australia
[2] Tokyo Metropolitan Univ, Grad Sch Syst Design, Hino, Tokyo 1910065, Japan
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 177卷
基金：
澳大利亚研究理事会;
关键词：
Al matrix composites; Titanium carbide; Graphene; Pin-on-disc wear test; SLIDING WEAR BEHAVIOR; TIC NANOPARTICLES; PARTICLE-SIZE; GRAPHENE; ALLOY;
D O I：
10.1016/j.triboint.2022.108018
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Al-10.0 vol% (TiC and GNPs) composites were fabricated with different volume ratios of TiC and GNPs from 10.0:0.0-8.0:2.0 by powder metallurgy. The results show particle free zones (PFZs) in as-sintered composites decrease and distributions of reinforcements become more uniform, and the hardness and wear resistance of hybrid composite increase as TiC-to-GNPs ratio decreases. Al-8.5 vol% TiC-1.5 vol% GNPs has the highest hardness at 200.5 HV and the best wear resistance with a wear rate of 4.99 x 10-4 mm3/Nm based on the collaborative effects of TiC and GNPs, respectively. However, as the GNPs fraction increases to 2.0 vol%, the hardness and wear resistance of the composite drop drastically because of GNPs agglomeration.
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页数：12
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