marquenching

Japanese: marquenching
marquenching

…The S curve is used to determine the quenching conditions of steel and for special heat treatments such as austempering and marquenching. Austempering is a method of austenitizing steel, quenching it between Ar′ and Ar″, and holding it at that temperature until the austenite transformation is complete to cause the bainite transformation. Marquenching is a type of interrupted quenching in which the steel is quenched in a heat bath just above the M s point, held at an isothermal temperature until the sample becomes uniform, and then air-cooled to gradually cause the martensitic transformation. (2) Continuous cooling transformation curve Also called CCT (continuous cooling transformation) curve…

*Some terminology explanations that mention "marquenching" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…S曲線は鋼の焼入れ条件の決定や,オーステンパー,マルクエンチなどの特殊の熱処理のさいに利用される。オーステンパーaustemperingとは鋼をオーステナイト化し,Ar′とAr″の間に急冷して,オーステナイトが変態完了するまでその温度で等温保持してベイナイト変態させる方法で,マルクエンチmarquenchingとは一種の中断焼入れで,Ms点直上の熱浴に焼入れし,試料が均一になるまで等温保持し,その後空冷してマルテンサイト変態を徐々に起こさせる方法である。(2)連続冷却変態曲線 CCT(continuous cooling transformation)曲線とも呼ばれる。…

※「marquenching」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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