The effect of Mg addition on the stability of Al-Al2O3 foams made by a powder metallurgy route

被引:50
作者
Asavavisithchai, S [1 ]
Kennedy, AR [1 ]
机构
[1] Univ Nottingham, Sch Mech Mat & Mfg Engn, Adv Mat Res Grp, Nottingham NG7 2RD, England
关键词
aluminium; foams; foaming; powder processing;
D O I
10.1016/j.scriptamat.2005.12.015
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
An increase in expansion was affected by the addition of Al2O3 particles to Al foams but foam stability was only improved when Mg was also added. Enhanced wetting, due to reaction with Mg, enables the particles to be embedded in the cell walls. making them more effective at foam stabilization. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:1331 / 1334
页数:4
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