Wear behaviour of Al6061-Al2O3 composites produced by in-situ powder metallurgy (IPM)

被引：24

作者：

Pournaderi, Saeid ^{[1
]}

Akhlaghi, Farshad ^{[2
]}

机构：

[1] Karadeniz Tech Univ, Dept Met & Mat Engn, TR-06531 Trabzon, Turkey

[2] Univ Tehran, Coll Engn, Sch Met & Mat Engn, POB 11155-4563, Tehran, Iran

来源：

POWDER TECHNOLOGY | 2017年 / 313卷

关键词：

In-situ powder metallurgy; Composite; Wear; MECHANICAL-PROPERTIES;

D O I：

10.1016/j.powtec.2017.03.019

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, the in-situ powder metallurgy (IPM) method was used to produce Al6061/Al2O3 composites. At the first stage, Al6061/Al2O3 powder mixtures of varying alumina content and size were produced. The powder mixtures were then consolidated to obtain the corresponding composites. The effect of the alumina size (37-276 Inn) and alumina content (15-40 vol%) on the particle size, flow rate and compressibility of the Al6061/Al2O3 powder mixtures and also on the wear behaviour of the consolidated composites were studied. Increased alumina content and decreased alumina size inversely affected the flow rate and compressibility of the powder mixtures. Wear behaviour of the composites was investigated using a pin-on-disk tester. The results showed that the best wear resistance was related to the composite containing 20 vol% of alumina with the mean size of 150 pm. This study proved that IPM can be successfully used for the production of wear-resistant Al6061/Al2O3 composites. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：184 / 190

页数：7

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