…The vacuum degassing method, known as the drip degassing method, developed in 1952, was intended to remove hydrogen from steel, and this was the beginning of today's extrafurnace refining methods. In 1956, the vacuum suction DH method was developed, and in 1958, the reflux RH method was developed, which removed not only hydrogen but also oxygen, carbon, and oxide-based inclusions. Because they could process large amounts of molten steel, they became popular for use in converters, and gradually came to be adopted in electric furnaces as well. … *Some of the terminology used in relation to the "RH Law" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…1952年に開発された流滴脱ガス法として知られる真空脱ガス法は,鋼中の水素除去を目的としていたが,これが今日の炉外精錬法の始まりである。56年には真空吸上式のDH法,58年には環流式のRH法が開発され,水素のみではなく,酸素,炭素,酸化物系介在物の除去機能をも果たすようになった。大量の溶鋼を処理しうることから転炉用に普及し,しだいに電気炉にも採用されるようになった。… ※「RH 法」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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