Non-cyanide salt bath and process for carburization of...

Details Non-cyanide salt bath and process for carburization of... Non-cyanide salt bath and process for carburization of...

C - Chemistry, Metallurgy

23

C

148/40

C23C 8/46 (2006.01)

Patent

CA 1244748

Abstract A non-cyanide molten salt bath composition and process for the carburization of objects made of ferrous metals or alloys are provided. The composition comprises a molten salt mixture, at a temperature in the range of 900°C to 1050°C, of an alkali metal chloride or a mixture of alkali metal chlorides; an activator consisting of an oxygen containing strontium or barium salt; and a graphite cover. The process comprises immersing the ferrous metal or alloy part in the molten mixture at a temperature in the range of 900°C to 1050°C.

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