Supercooling

Japanese: supercooling
Supercooling

…If the cooling rate is increased further, pearlite transformation does not occur, but martensite transformation occurs. [Toshihiko Fukumoto]
[Supercooling]
The phenomenon or state in which no phase transition (first order) occurs and the original phase (high temperature phase) remains even when the temperature drops below the transition temperature is called supercooling, and is the opposite of superheating. A liquid below the freezing point (supercooled liquid) is one example, and this can be achieved by keeping the liquid still and cooling it slowly.

*Some of the terminology that refers to "supercooling" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…冷却速度をさらに大きくすると,パーライト変態は起こらず,マルテンサイト変態を起こす。【福本 俊彦】
[過冷却supercooling]
 相転移(一次)を起こす転移温度より低温になっても転移が起こらず,もとの相(高温相)が存在する現象,あるいはその状態を過冷却といい,過熱の逆の現象である。凝固点以下の温度の液体(過冷却液体)は,その一例で,これは液体を静かに保ってゆっくり冷却することによって実現できる。…

※「supercooling」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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