The Behaviour of Softening and Melting of Hematite Pellet and Sinter during Heating in a Reducing Atmosphere

Autor: Katsumi Mori, Ryoichi Hidaka, Yasuji Kawai
Rok vydání: 1980
Předmět:
Zdroj: Tetsu-to-Hagane. 66:1287-1296
ISSN: 1883-2954
0021-1575
DOI: 10.2355/tetsutohagane1955.66.9_1287
Popis: The softening and melting characteristics off some pellets and sinter during the reduction and the heating were examined by using an X-ray TV apparatus. The structure of the samples after the experiment were also examined by a microscope and an electron microprobe analyzer.For the runs without load, the melt-down temperatures varied from 1250°C to the melting point of iron according to the reducing conditions and rose with the increasing reduction degree.An application of load lowered the melt-down temperature of each sample, which strongly depended upon the properties of the formed slag.The EPMA analysis shows that the slag containing a small amount of iron oxide is formed in Hirohata P. of high melt-down temperature, but much iron oxide, about 50%, is contained in the slag formed in Robe River P., which melts at a low temperature.
Databáze: OpenAIRE