OS1908 Density and Specimen Size Effects on Dynamic Properties of Iron Green Body

Abstract

To improve the mechanical properties of powder metallurgy parts, high velocity compaction (HVC) is a prospective production technique. In the experiments, a press-ready premix consisting of Distaloy AE, 0.5% graphite and 0.6% Kenolube were used and maximum stress of the cylindrical specimens were measured by a split Hopkinson pressure bar (SHPB).The failure behavior was also observed using high speed video camera. These experimental results were compared and examine by densities, size, and aspect ratio of the specimens.