STEREOLOGICAL CHARACTERIZATION OF MICROSTRUCTURAL EVOLUTION AT LATE STAGES OF SINTERING FOR NICKEL POWDER COMPACTS

摘要

The evolution of both the metric and topological properties of the microstructure for Ni pow-der compacts at the late stages of sintering(V_v^s0.90)has been investigated by means ofstereological method.The effects of precompaction pressure and loose sintering have been stu-died and discussed.