著者
中本 伊佐雄 斉藤 恕 豊田 敏夫 水牧 勝美
出版者
社団法人日本鉄鋼協会
雑誌
鐵と鋼 : 日本鐡鋼協會々誌 (ISSN:00211575)
巻号頁・発行日
vol.41, no.11, pp.1161-1166, 1955-11-01

As the first step of the studies on the production of calcium silicide, the authors investigated the composition both of slags and inclusions in it and obtained the following results ; (1) Slags produced by CaO as well as CaC_2 method always gave a higher value over 100% as the sum of analytical fractions and their properties were very different from those to be considered from the values. But we found that the properties did not depend upon the metallic particles. (2) SiC in the slags of CaO-SiO_2-SiC-CaC_2-C system was easily determinable by our method in which the sample was heated in air at 800±20℃ for several hours before analysis of SiC. (3) From the results obtained by this method, the slags of the above two kinds contained 10∿20% SiC and the sum obtained by the usual method could be deduced approximately to 100%. (4) In conclusions we found that a fact had been overlooked that a considerable quantity of SiC was dispersing and followed when the slag was tapping out from the furnace on the normal operations. Moreover the behaviour of SiC was discussed metallurgically.

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