Metallurgical and Materials Transactions B

, Volume 46, Issue 2, pp 1052–1057

Carbonate-Foaming Agents in Aluminum Foams: Advantages and Perspectives


DOI: 10.1007/s11663-014-0262-1

Cite this article as:
Soloki, A. & Esmailian, M. Metall and Materi Trans B (2015) 46: 1052. doi:10.1007/s11663-014-0262-1


Aluminum foams are commonly produced using hydride foaming agents. Carbonates are inexpensive and more convenient to handle than hydrides. In this review article, the replacement of titanium hydride by carbonate foaming agents in aluminum and aluminum alloys was studied. Carbonate-foaming agents including calcium carbonate, magnesium carbonate, and dolomite were investigated for the production of aluminum and aluminum alloys. The thermal decomposition behavior of the foaming agents was evaluated in conjunction with the cell structure of the aluminum foams produced. From the results, magnesium carbonate and dolomite were selected as suitable foaming agents for aluminum alloys because of lower decomposition temperature than calcium carbonate. It was clarified that dolomite resulted in a fine and homogenous cell structures.

Copyright information

© The Minerals, Metals & Materials Society and ASM International 2014

Authors and Affiliations

  1. 1.Department of MetallurgyIslamic Azad UniversitySavehIran
  2. 2.Iranian Research Organization for Science and TechnologyTehran Iran

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