Foaming of AA 6061 using multiple pieces of foamable precursor

被引：34

作者：

Duarte, Isabel ^{[1
,2
]}

Oliveira, Monica ^{[1
]}

Garcia-Moreno, Francisco ^{[3
,4
]}

Mukherjee, Manas ^{[3
,5
]}

Banhart, John ^{[3
,4
]}

机构：

[1] Univ Aveiro, Dept Mech Engn, P-3810193 Aveiro, Portugal

[2] Univ Aveiro, TEMA Ctr Mech Technol & Automat, P-3810193 Aveiro, Portugal

[3] Helmholtz Ctr Berlin, Inst Appl Mat, D-14109 Berlin, Germany

[4] Tech Univ Berlin, Dept Mat Sci & Technol, D-10623 Berlin, Germany

[5] Indian Inst Technol, Dept Met & Mat Engn, Madras 600036, Tamil Nadu, India

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2013年 / 438卷

关键词：

Aluminium alloy foams; Multiple precursors; Powder metallurgy; X-ray radioscopy; X-ray tomography; X-RAY RADIOSCOPY; ALUMINUM FOAM; METALLIC FOAMS; TOMOGRAPHY;

D O I：

10.1016/j.colsurfa.2013.02.061

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Aluminium foams were produced by expanding multiple pieces of foamable precursor inside a mould instead of using a single piece. The kinetics of foam formation and mould filling were visualised in situ by X-ray radioscopy. It was found that foaming of multiple precursor materials leads to the best result when the growth directions of the individual precursor pieces are perpendicular to each other. X-ray tomography was used to study the internal structure of the foams in 3D. High local densities in joining regions and in areas of delayed pore nucleation were observed. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：47 / 55

页数：9

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