Mechanical properties and tribological behavior of aluminum matrix composites reinforced with in-situ AlB2 particles

被引：72
|
作者：
Yuan, Linlin [1 ]
Han, Jingtao [1 ]
Liu, Jing [1 ]
Jiang, Zhengyi [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[2] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2500, Australia
来源：
TRIBOLOGY INTERNATIONAL | 2016年 / 98卷
关键词：
Aluminum matrix composites; AlB2; reinforcement; Powder metallurgy; Wear; SLIDING WEAR BEHAVIOR; AL2O3; ALLOY; FABRICATION; EXTRUSION; FRICTION; POWDERS;
D O I：
10.1016/j.triboint.2016.01.046
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Aluminum matrix composites (AMCs) reinforced with in-situ AlB2 particles have been fabricated using a combination of powder metallurgy, hot rolling and solution treatment. The effects of boron content (7 and 12 wt%), hot rolling and heat treatment parameters on the microstructures and mechanical properties of the composites were investigated by means of scanning electron microscopy (SEM), tensile test and micro-hardness measurements. The friction coefficient, wear behavior and scratch morphology of the AMCs and pure aluminum were also studied using scratch tests. The hardness and wear properties are higher in a case of composites when compared to unreinforced matrix material. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：41 / 47
页数：7
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