…Continuous casting has been used for non-ferrous metals for a long time, but in recent years it has also spread to steel, and in 1980, more than 60% of Japan's crude steel production was produced by continuous casting. Steel ingots made by the ingot casting method are classified into killed steel, semi-killed steel, rimmed steel, and capped steel based on the manufacturing process, and each type has a different deoxidization method for the molten steel and a unique solidification pattern (Figure). The important reaction in steelmaking is the reaction in which oxygen added to molten iron combines with the carbon in the molten iron to produce gas (carbon monoxide). … *Some of the terminology that mentions "killed steel" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…連続鋳造は,非鉄金属では早くから行われてきたが,近年では鉄鋼にも普及し,1980年には日本の粗鋼生産量の60%以上が連続鋳造で生産されるようになった。 造塊法でつくる鉄鋼のインゴットには,製造上からキルド鋼killed steel,セミキルド鋼semi‐killed steel,リムド鋼rimmed steel,キャップド鋼capped steelに分けられ,それぞれ溶鋼の脱酸形式が異なり,独特の凝固パターンを示している(図)。製鋼法における重要な反応は,溶鉄に添加された酸素が溶鉄中の炭素と化合してガス(一酸化炭素)を生ずる反応である。… ※「killed steel」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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