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High Temperature Materials and Processes

Editor-in-Chief: Fukuyama, Hiroyuki

Editorial Board: Waseda, Yoshio / Fecht, Hans-Jörg / Reddy, Ramana G. / Manna, Indranil / Nakajima, Hideo / Nakamura, Takashi / Okabe, Toru / Ostrovski, Oleg / Pericleous, Koulis / Seetharaman, Seshadri / Straumal, Boris / Suzuki, Shigeru / Tanaka, Toshihiro / Terzieff, Peter / Uda, Satoshi / Urban, Knut / Baron, Michel / Besterci, Michael / Byakova, Alexandra V. / Gao, Wei / Glaeser, Andreas / Gzesik, Z. / Hosson, Jeff / Masanori, Iwase / Jacob, Kallarackel Thomas / Kipouros, Georges / Kuznezov, Fedor


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5-year IMPACT FACTOR: 0.471

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Open Access
Online
ISSN
2191-0324
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Volume 30, Issue 1-2

Issues

In-Situ Oxide Stabilization Development of Aluminum Foams in Powder Metallurgical Route

S. Asavavisithchai
  • Corresponding author
  • Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
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  • Other articles by this author:
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/ Andrew R. Kennedy
  • Advanced Materials Research Group, School of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, University Park, Nottingham, UK
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Published Online: 2011-04-19 | DOI: https://doi.org/10.1515/htmp.2011.016

Abstract

The development of stabilizing oxides during foaming process has been studied. The investigation of microstructure shows that the surface oxide films on the aluminum powder particles were ruptured after compaction. Pore nucleation results in a comprehensive shearing of oxides. After complete melting of powder particles at which a continuous liquid is dominant, the oxides move through the cell walls and Plateau borders by convection, due to pore growth, and connected to each other due to their tangled shape, forming strong local clusters or networks, leading to foam stability.

Keywords.: Aluminum; metallic foam; oxides; powder metallurgy

About the article

Corresponding author: S. Asavavisithchai, Department of Metallurgical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand


Received: 2010-09-17

Accepted: 2010-10-20

Published Online: 2011-04-19

Published in Print: 2011-04-01


Citation Information: High Temperature Materials and Processes, Volume 30, Issue 1-2, Pages 113–120, ISSN (Online) 2191-0324, ISSN (Print) 0334-6455, DOI: https://doi.org/10.1515/htmp.2011.016.

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