For sinter with 25% and 50% MAC fines the iron oxides mainly consisted of hematite and magnetite, the bonding phase were mainly dicalcium silicate, glassiness, and a few amount of calcium ferrite.
配比为25%和50%的两种烧铁氧化物均以铁、磁铁为,相要以铁酸钙、硅酸二钙和玻璃质为,但铁酸钙数量不多。
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