Enhanced Compressive Strength of Nanostructured Aluminum Reinforced with SiC Nanoparticles and Investigation of Strengthening Mechanisms and Fracture Behavior

被引：11

作者：

Akbarpour, M. R. ^{[1
]}

Torknik, F. S. ^{[2
]}

Manafi, S. A. ^{[3
]}

机构：

[1] Univ Maragheh, Fac Engn, Dept Mat Engn, POB 55136-553, Maragheh, Iran

[2] Mat & Energy Res Ctr MERC, POB 14155-4777, Tehran, Iran

[3] Islamic Azad Univ, Fac Engn, Shahrood Branch, Shahrood, Iran

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2017年 / 26卷 / 10期

关键词：

aluminum; composites; mechanical; metallic matrix; non-ferrous metals; powder metallurgy; static; METAL-MATRIX COMPOSITES; CARBON NANOTUBES; LOAD-TRANSFER; AL; MICROSTRUCTURE;

D O I：

10.1007/s11665-017-2871-8

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, microstructure and mechanical properties of nanostructured Al and Al reinforced with different volume fractions of SiC nanoparticles fabricated through a powder metallurgy route, including high-energy mechanical milling and hot pressing method, were examined. Nanostructured Al and the Al-8 vol.%SiC nanocomposite showed superior compressive strength of ae300 and ae412 MPa, respectively, with reasonable ductility. The high strength of the nanocomposite was attributed to the reduced grain size of the Al matrix and homogeneous dispersion of the nanoparticles in the matrix. The effects of nanoparticles on strengthening of Al and fracture mechanisms are presented and discussed.

引用

页码：4902 / 4909

页数：8

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