Composition analysis of calcium ferrite in iron ore sinters by EPMA scanning method

摘要

To investigate the association of calcium ferrites in iron ore sinters with aenigmatites, composition analysis of sinters is carried out by applying EPMA scanning method. Most of the calcium ferrite in sinters has been classified to aenigmatites. The stability domain of SFCA is bound by the three lines of 4CaO.3SiO{sub}2－CaO.3(Al,Fe){sub}2O{sub}3, CaO.SiO2－CaO 6(Al,Fe) {sub}2O{sub}3 and SiO{sub}2－CaO.3(Al,Fe) {sub}2O{sub}3 in the pseudo (CaO + MgO)－SiO2－(Fe{sub}2O{sub}3＋Al{sub}2O{sub}3) system.