Abstract
Integrating the high strength of ordered structures and the plateau stage of aluminum foam is an effective mean to enhance porous composite metal materials. In this work, bi-continuous interpenetrated porous composite (BIPC) was fabricated by a combinational way of melt foaming and infiltration casting. The mechanical properties of BIPC under quasi-static compression have been investigated. With the highest compressive strength and plateau stress, BIPC exhibits excellent energy absorption which is 130% higher than the sum of single structures. The desired mechanical performance of BIPC is attributed to the synergy of structural and interfacial effects during the compression process. Compared to the conventional counterparts, BIPC combines high specific energy absorption and specific compressive strength.
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