Fabrication of Open Cell Fe-10%Al Foam by Space-Holder Technique

In this paper, fabrication of open-celled porous Fe-10%A1 foam by space-holder technique in which NaCl powder and polyester resin were utilized as space holder and binder respectively to generate 30-80% porosities was studied. FeAl solid solution was prepared via mechanical alloying method after 25...

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Bibliographic Details
Published in:Archives of metallurgy and materials 2014-03, Vol.59 (1), p.41-45
Main Authors: Golabgir, M.H., Ebrahimi-Kahrizsangi, R., Torabi, O., Saatchi, A.
Format: Article
Language:English
Subjects:
Ferrous alloys
Foams
Intermetallic compounds
Intermetallics
Iron
Iron aluminides
Mechanical alloying
Metallurgy
Porosity
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Summary:In this paper, fabrication of open-celled porous Fe-10%A1 foam by space-holder technique in which NaCl powder and polyester resin were utilized as space holder and binder respectively to generate 30-80% porosities was studied. FeAl solid solution was prepared via mechanical alloying method after 25 h high energy milling process. The results indicate that the size and shapes of the pores are determined by the size and shapes of NaCl particles. Also, when compaction pressure was in the range of 70-150 MPa and the sintering process was performed at temperature around 1100°C, the samples had the best quality. Microstructure observations show the pore size was in the range of 200-500 μm.
ISSN:1733-3490
2300-1909
DOI:10.2478/amm-2014-0007