Sintered hi-density process with forming

Details Sintered hi-density process with forming Sintered hi-density process with forming

1996-05-03

1999-03-09

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 25, 419 28, 419 29, 419 38, 419 39, B22F 312, B22F 324

Patent

active

058813543

ABSTRACT:
A method of making a sintered article of powder metal having a carbon composition in the range of about 0.8% to 2.0% by weight, then spheroidizing the sintered article and then warm forming the sintered article at a temperature between 250.degree. and 700.degree. C. for a time duration selected to form the article to a final shape.

REFERENCES:
patent: 3901961 (1975-08-01), Kondo et al.
patent: 3951697 (1976-04-01), Sherby et al.
patent: 4014680 (1977-03-01), Reen
patent: 4069044 (1978-01-01), Mocarski et al.
patent: 5009842 (1991-04-01), Hendrickson et al.
patent: 5154881 (1992-10-01), Rutz et al.
patent: 5516483 (1996-05-01), Shivanath et al.
patent: 5552109 (1996-09-01), Shivanath et al.
Super Plastic Forming of Ultrahigh Carbon Alloyed P/M Steels by R. Laag et. al. pp. 409-421

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