Processing and mechanical properties of magnesium foams

An open-cellular magnesium foam has been manufactured by using powder metallurgy technology basing on space holder fillers in the present study. Depending on the volume fraction and the diameter of the carbamide particles, the porosity and pore size can be controlled in the range of 40–80% and 0.5–2...

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Bibliographic Details
Published in:Journal of porous materials 2009-06, Vol.16 (3), p.251-256
Main Authors: Hao, Gang Ling, Han, Fu Sheng, Li, Wei Dong
Format: Article
Language:English
Subjects:
Absorption
Catalysis
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Foamed metals
Foams
Magnesium
Mechanical properties
Physical Chemistry
Porosity
Porous materials
Powder metallurgy
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Summary:An open-cellular magnesium foam has been manufactured by using powder metallurgy technology basing on space holder fillers in the present study. Depending on the volume fraction and the diameter of the carbamide particles, the porosity and pore size can be controlled in the range of 40–80% and 0.5–2.0 mm, respectively. Quasi-static compressive tests indicate that the mechanical behavior of the present magnesium foam is in good agreement with the Gibson–Ashby model when the porosity is over 45%. The most outstanding mechanical feature, however, may be its long and flat plateau region that is favorable for energy absorbing applications.
ISSN:1380-2224
1573-4854
DOI:10.1007/s10934-008-9194-y