The phosphide eutectic formation process in high purity Fe-4. 6% C alloy, in which 0.02%-1.0% P was added, was studied with DTA, SEM and EDS, and the effect of cerium on the morphology of phosphide eutectic in the te...The phosphide eutectic formation process in high purity Fe-4. 6% C alloy, in which 0.02%-1.0% P was added, was studied with DTA, SEM and EDS, and the effect of cerium on the morphology of phosphide eutectic in the ternary Fe-C-P alloy was also investigated. The results show that the ternary phosphide eutectic with the addition of 0.04% P is formed at low cooling rate. After cerium is added, the morphology of phosphide eutectic is changed from non-continuous or continuous distribution net to round or nodular form locating along the eutectic cell boundaries.展开更多
文摘The phosphide eutectic formation process in high purity Fe-4. 6% C alloy, in which 0.02%-1.0% P was added, was studied with DTA, SEM and EDS, and the effect of cerium on the morphology of phosphide eutectic in the ternary Fe-C-P alloy was also investigated. The results show that the ternary phosphide eutectic with the addition of 0.04% P is formed at low cooling rate. After cerium is added, the morphology of phosphide eutectic is changed from non-continuous or continuous distribution net to round or nodular form locating along the eutectic cell boundaries.