Mechanical properties and energy absorption of ceramic particulate and resin-impregnation reinforced aluminium foams
Li, Yuncang, Xiong, Jianyu, Lin, Jianguo, Forrest, Mark, Hodgson, Peter and Wen, Cui`e 2007, Mechanical properties and energy absorption of ceramic particulate and resin-impregnation reinforced aluminium foams, Materials forum (CD-ROM), vol. 31, pp. 52-56.
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Institute of Materials Engineering Australasia Pty Ltd
Place of publication
North Melbourne, Vic.
The mechanical properties of aluminium foams can be improved by matrix reinforcement and resin-impregnation methods. In the present study, aluminium foams were reinforced by both ceramic particulate reinforcing of the aluminium matrix and resin-impregnating pores. The mechanical properties and the energy absorption of the reinforced aluminium foams were investigated by dynamic and quasi-static compression. Results indicated that the ceramic particle additions of CBN, SiC and B4C in aluminium foams increase the peak stress, elastic modulus and energy absorption of the aluminium foams, under both conditions of dynamic and quasi-static compression. Moreover, the aluminium foams with and without ceramic particle additions exhibited obvious strain rate sensitivity during dynamic compression. Furthermore, the resin-impregnation improves the mechanic properties and energy absorption of aluminium foams significantly. However, aluminium foams with resin-impregnation showed negligible strain rate sensitivity under dynamic compression. It is reported that both the ceramic particle addition and resin-impregnation can be effective techniques to improve the mechanical and the energy absorption properties of aluminium foams.
Field of Research
091299 Materials Engineering not elsewhere classified
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