Simultaneous improvement in the strength and corrosion resistance of Al via high-energy ball milling and Cr alloying

被引：46

作者：

Gupta, R. K. ^{[1
]}

Fabijanic, D. ^{[2
]}

Dorin, T. ^{[2
]}

Qiu, Y. ^{[3
]}

Wang, J. T. ^{[2
]}

Birbilis, N. ^{[3
]}

机构：

[1] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA

[2] Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia

[3] Monash Univ, Dept Mat Sci & Engn, Clayton, Vic 3800, Australia

来源：

MATERIALS & DESIGN | 2015年 / 84卷

关键词：

Al alloys; Nanocrystalline; Corrosion; High-energy ball milling; Spark plasma sintering; Compressive yield strength; MECHANICAL-PROPERTIES; MG ALLOY; MICROSTRUCTURE; EVOLUTION; BEHAVIOR; DUCTILITY; SIZE;

D O I：

10.1016/j.matdes.2015.06.120

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The corrosion resistance and mechanical properties of nanocrystalline aluminium (Al) and Al-20 wt.% Cr alloys, synthesized by high-energy ball milling followed by spark plasma sintering, were investigated. Both alloys exhibited an excellent combination of corrosion resistance and compressive yield strength, which was attributed to the nanocrystalline structure, extended solubility, uniformly distributed fine particles, and homogenous microstructure induced by high-energy ball milling. This work demonstrates the possibilities of developing ultra-high strength Al alloys with excellent corrosion resistance, exploiting conventionally insoluble elements or alloying additions via suitable processing routes. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：270 / 276

页数：7

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