Liquid nitriding method - Ekitaichikkaho

Japanese: 液体窒化法 - えきたいちっかほう
Liquid nitriding method - Ekitaichikkaho

...This nitrided layer is very hard, with a Vickers hardness of about 1000, and forms a highly wear-resistant surface layer. (2) Liquid nitriding The material to be treated is heated and held at 500-600°C for 1-5 hours in a salt bath whose main components are sodium cyanide (NaCN) and potassium cyanide (KCN). The reaction in the salt bath is the same as that in carburizing, but nitriding occurs when the temperature is low.

*Some of the terms used in relation to the "liquid nitriding method" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この窒化層が非常に硬くビッカース硬さで1000くらいになり,耐摩耗性に富んだ表面層が形成される。 (2)液体窒化法liquid nitriding 被処理材を,シアン化ナトリウムNaCN,シアン化カリウムKCNなどを主成分とする塩浴中で,500~600℃,1~5時間加熱保持する。塩浴の反応は浸炭の場合と同じであるが,温度が低い場合には窒化がおこる。…

※「液体窒化法」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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