Method for manufacturing vanadium carbide powder added tool stee

Details Method for manufacturing vanadium carbide powder added tool stee Method for manufacturing vanadium carbide powder added tool stee

1995-06-29

1996-10-01

Jordan, Charles T.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Metal and nonmetal in final product

419 28, 419 29, 419 31, 419 32, 419 33, 419 38, 419 53, 419 62, 75351, 75352, B22F 900, B22F 100, B22F 312

Patent

active

055618324

ABSTRACT:
A tool steel powder added with a vanadium carbide powder by a milling process, and a method for manufacturing parts therewith are disclosed. Particularly, a method for adding a vanadium carbide (VC) powder to a tool steel powder by a ball milling or an attrition milling, and a method for manufacturing a part by using the milled tool steel powder are disclosed. The method for manufacturing a vanadium carbide added tool steel powder and for manufacturing parts using the powder, includes the steps of: mixing a tool steel powder with vanadium carbide powder in an amount of 5.about.15 wt %; ball-milling the mixture powder under wet atmosphere; carrying out an annealing in a vacuum; carrying out a cold die compaction or cold isostatic pressing to near net dimension and carrying out a vacuum sintering and then a hot isotropic pressing without canning.

REFERENCES:
patent: 3785801 (1974-01-01), Benjamin
patent: 4002503 (1977-01-01), Bourne et al.
patent: 5081760 (1992-01-01), Kikuhira et al.
patent: 5238482 (1993-08-01), Stasko et al.
patent: 5328500 (1994-07-01), Beltz et al.
patent: 5344477 (1994-09-01), Stasko et al.

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