Abstract
The dynamic compression properties of porous aluminum with nearly constant relative density and four different pore sizes were studied and compared with its quasi-static compression properties. It is found that at the same strain rate, all the quasi-static and dynamic compression properties are essentially independent of pore size; while for the same pore size, the flow stress at dynamic compression is much higher than that at quasi-static compression. The results are interpreted in the light of the simple cubic cell model.
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