Journal
MATERIALS & DESIGN
Volume 56, Issue -, Pages 353-358Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2013.11.040
Keywords
Aluminum foam; Melt foaming method; Compressive property; Ceramic microspheres
Categories
Funding
- 863'' project of China [2013AA031002]
- Major Project of China [2013ZX04004027]
- '100 Talents Project' of Hebei Province of China [E2012100009]
- Natural Science Foundation of Hebei Province of China [E2012202017, E2010000121]
- Science and Technology Research of Hebei Province for Youth fund [2011182]
- Science and Technology Project of Hebei Province [13211008D]
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In this paper, closed-cell aluminum foams with different kinds and contents of ceramic microspheres are obtained using melt-foaming method. The distribution and the effects of the ceramic microspheres on the mechanical properties of aluminum foams are investigated. The results show that both kinds of ceramic microspheres distribute in the foams uniformly with part in the cell wall matrix, some in adhere to the cell wall surface and part embed in the cell wall with portion surface exposed to the pores. Ceramic microspheres have an important effect on the yield strength, mean plateau stress, densification strain and energy absorption capacities of aluminum foams. Meanwhile, the content of ceramic microsphere in aluminum foams should be controlled in order to obtain good combination of compressive strength and energy absorption capacity. The reasons are discussed. (C) 2013 Elsevier Ltd. All rights reserved.
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