Abstract
Abstract Thermal stabilities of deformation processed Cu–12Fe and Cu–11Fe–6Ag composites were investigated through isochronic aging treatments. The morphology transitions of the Fe filaments and the Cu matrix were investigated by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and energy dispersive spectrometer (EDS) equipped on the TEM. The results show that during the annealing treatment the Fe filaments experienced longitudinal splitting, cylinderization, break-up and spheroidization. Addition of Ag can reduce the thermal stability of the deformed Fe filaments and accelerate the precipitation kinetics of Fe from the Cu matrix.
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