Comparing the melt-spun nanostructured aluminum 6061 foils with conventional direct chill ingot

被引：22

作者：

Dehghani, K. ^{[1
]}

Salehi, Maryam ^{[1
]}

Salehi, Mina ^{[1
]}

Aboutalebi, H. ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Dept Min & Met Engn, Tehran, Iran

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2008年 / 489卷 / 1-2期

关键词：

rapid solidification; nanostructure; Al alloy;

D O I：

10.1016/j.msea.2007.12.017

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The properties of nanostructured A16061 foils, produced by melt spinning technique at a cooling rate of about 10(7) K/s, were investigated using atomic force microscopy (AFM), scanning electron microscopy (SEM), X-ray diffraction pattern (XRD) and microhardness testing. The properties of nanostructured foils were then compared with those of direct-chill (DC) casting. The results show that the formation of nanoparticles Of Mg2Si (about 50 nm in radius), the nanograins of about 61.8 nm and the ultra-fine dendrites, having a nanoarm. spacing about 80-100 nm, can significantly refine the structure and, in turn, enhance the properties of nanostructured foils comparing to the DC cast ones. Besides, the produced nanodendrites can extremely lead to structure homogeneity. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：245 / 252

页数：8

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