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CYANIDE HARDENING [1 record]
Record 1 - internal organization data 1985-05-14
Record 1, English
Record 1, Subject field(s)
- Heat Treatment of Metals
- Surface Treatment of Metals
- Steel
Record 1, Main entry term, English
- cyaniding
1, record 1, English, cyaniding
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- liquid carbonitriding 2, record 1, English, liquid%20carbonitriding
correct
- cyanide hardening 3, record 1, English, cyanide%20hardening
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A case hardening process in which a ferrous material is heated above the lower transformation range in a molten salt containing cyanide to cause simultaneous absorption of carbon and nitrogen at the surface and, by diffusion, create a concentration gradient. Quench hardening completes the process. 4, record 1, English, - cyaniding
Record number: 1, Textual support number: 1 OBS
A sodium cyanide mixture ... is generally used for cyaniding on a production basis. ... The inert salts, sodium chloride and sodium carbonate, are added to cyanide to provide fluidity and to control the melting points of all mixtures. 2, record 1, English, - cyaniding
Record 1, French
Record 1, Domaine(s)
- Traitement à chaud des métaux
- Traitements de surface des métaux
- Acier
Record 1, Main entry term, French
- cyanuration
1, record 1, French, cyanuration
correct
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Céments liquides. Cyanuration. Le bain cémentant est constitué par un mélange à base de cyanure de sodium (20 %) et de carbonate de soude (70 %), qui est porté à la fusion dans un creuset à une température de 850 ° à 920 ° suivant la nature du bain et ses conditions de travail. Les pièces sont plongées dans ce bain et y sont maintenues pendant un temps variable selon l'épaisseur de cémentation désirée. 1, record 1, French, - cyanuration
Record 1, Spanish
Record 1, Textual support, Spanish
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