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

被引：75

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

页码：41 / 47

页数：7

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