C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/150
C22C 38/16 (2006.01) B22F 3/16 (2006.01) C22C 33/02 (2006.01)
Patent
CA 1211962
METHOD FOR PRODUCING A MACHINABLE, HIGH STRENGTH HOT FORMED POWDERED FERROUS BASE METAL ALLOY Abstract of the Disclosure A method for producing a machinable, high strength hot formed powdered ferrous base metal alloy is provided which comprises pro- viding a particulate mixture consisting of, in weight percent, from about 1.0 to about 3.0 percent copper, from about 0.16 to about 0.35 percent sulfur, from about 0.4 to about 0.8 percent carbon, with the balance being iron plus from 0 to about 2 percent incidental impuri- ties; forming this particulate mixture into a preformed article having a predetermined configuration; sintering the so-formed article at a temperature sufficient to produce the desired alloy; and subjecting the sintered article to a hot forming treatment to produce a hot formed, machinable, high strength ferrous base powdered metal alloy article having a density near theoretical.
422224
Imperial Clevite Inc.
Marcoux & Sher Swabey Mitchell Houle
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