Tensile behaviour of nano-particulate reinforced aluminium matrix composites at elevated temperatures

被引：3

作者：

Ahmed, A. ^{[1
]}

Neely, A. J. ^{[1
]}

Shankar, K. K. ^{[1
]}

Chan, S. L. I. ^{[2
]}

机构：

[1] UNSW ADFA, Sch Aerosp Civil & Mech Engn, Canberra, ACT, Australia

[2] UNSW, Sch Mat Sci & Engn, Sydney, NSW, Australia

来源：

PRICM 6: SIXTH PACIFIC RIM INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS AND PROCESSING, PTS 1-3 | 2007年 / 561-565卷

关键词：

aluminium matrix composites; particulate; tensile testing; high temperatures;

D O I：

10.4028/www.scientific.net/MSF.561-565.761

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The tensile behaviour of nanometric SiC particulate (SiCp) reinforced aluminium, matrix composites (AMCs) was examined at room temperature, 215 degrees C and 350 degrees C. These AMCs were produced via powder metallurgy (P/M) using Al 7075 powder reinforced with different volume fractions (1 vol.%, 3 vol.% and 5 vol.%) of nano-SiCp. The experimental results exhibit that at room temperature un-reinforced Al has both maximum strength and ductility whereas the 5 vol.% SiCp/Al composite has only maximum stiffness. Similar trends were obtained for tests performed at 215 degrees C. However at 350 degrees C, the 1 vol.% SiCp/Al composite has the highest stiffness. Optical microscopy and scanning electron microscopy were performed for microstructure study, examination of the SiCp distribution in the Al matrix and fractography.

引用

页码：761 / +

页数：2

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