Abstract
High density Al-W granular/porous composites were fabricated using Cold Isostatic Pressing (CIPing) and CIPing with subsequent Hot Isostatic Pressing (HIPing) with vacuum encapsulation. All samples had an identical weight ratio of Al and W components but different porosities due to different processing procedures. Their quasistatic and dynamic strength and fracture behavior were investigated at strain rate about 10-3 1/s and 300 1/s, respectively. Sizes of W and Al particles, bonding between Al particles and morphology of W inclusions had a strong effect on dynamic strength and shear instability of the investigated granular composites.
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