Wrought p/m processing for prealloyed powder

Details Wrought p/m processing for prealloyed powder Wrought p/m processing for prealloyed powder

B - Operations, Transporting

22

F

75/165

B22F 3/16 (2006.01) B22F 1/00 (2006.01)

Patent

CA 1233679

Abstract Of The Disclosure WROUGHT P/M PROCESSING FOR PREALLOYED POWDER A process for producing a wrought product of improved ductility from substantially noncompactible prealloyed metal powder. The process comprises the steps of: comminuting substantially noncompactible prealloyed metal powder so as to flatten the particles thereof; heating the comminuted particles of metal powder at an elevated temperature, the particles adhering and forming a mass during heating; crushing the mass of metal powder; compacting the crushed mass of metal powder; sintering the metal powder; and hot working the metal powder into a wrought product. The wrought product has a chemistry which is substantially the same, with the exception of carbon and certain residuals, as the chemistry of the prealloyed powder.

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