Esr melting of niti alloys

Details Esr melting of niti alloys Esr melting of niti alloys

C - Chemistry, Metallurgy

22

C

C22C 1/06 (2006.01) C22C 1/02 (2006.01) C22C 14/00 (2006.01) C22C 19/03 (2006.01)

Patent

CA 2761160

In a method for forming high purity NiTi alloys conventionally formed NiTi alloy containing inclusions is melted with a slag forming material which will chemically react with the inclusions. The slag forming material preferably is or contains CaF2 and some free calcium.

La présente invention se rapporte à un procédé de fabrication d'alliages NiTi de haute pureté. Selon ledit procédé, un alliage de NiTi formé de manière classique contenant des inclusions est fondu avec un matériau de formation de scories qui réagira chimiquement avec les inclusions. Le matériau de formation de scories est, ou contient, de préférence du CaF2 et un peu de calcium libre.

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