Complete annealing - Complete annealing

Japanese: 完全焼きなまし - かんぜんやきなまし
Complete annealing - Complete annealing

…Originally, it meant that steel that had been hardened by quenching and tempering, or plastic deformation, was heated to a red heat, then slowly cooled and softened by placing it in straw ash, for example. This is now called full annealing of steel, and corresponds to the formation of relatively coarse pearlite from austenite. This removes processing strain, making it easier to machine. …

*Some of the terminology explanations that refer to "fully annealed" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…もともとは焼入れ‐焼戻し,塑性変形などによって硬化した鋼を赤熱させた後,わら灰の中に入れるなどして徐冷し,軟化させることを意味した。これは現在,鋼の完全焼きなましと呼ばれるものであり,〈オーステナイト〉から比較的粗い〈パーライト〉を生成させることに対応する。これによって加工ひずみなどが除去され,機械加工が容易となる。…

※「完全焼きなまし」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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