Process for the production of a hard solid solution...

Details Process for the production of a hard solid solution... Process for the production of a hard solid solution...

C - Chemistry, Metallurgy

04

B

261/1

C04B 35/56 (2006.01)

Patent

CA 1164893

TITLE OF THE INVENTION A process for the production of a hard solid solution containing molybdenum ABSTRACT OF THE DISCLOSURE The present invention relates to a process for the production of a solid solution constructed of at least one hard phase having a crystal structure of simple hexagonal type and selected from mixed carbides or carbonitrides of molybdenum and tungsten, which process comprises preparing an alloy powder consisting of a solid solution of molybdenum and tungsten, adding to the alloy powder carbon in an amount necessary for forming (Mo, W)2C and/or (Mo, W)2(CN), heating the mixture at a temperature at which (Mo, W)2C and/or (Mo, W)2(CN) is stable, adding to the (Mo, W)2C and/or (Mo, W)2(CN) carbon in an amount necessary for forming (Mo, W)C and/or (Mo, W)(CN) optionally with an iron group metal and then heating the mixture at a temperature at which (Mo, W)C and/or (Mo, W)(CN) is stable.

368084

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