Extrusion die for tungsten alloys

Details Extrusion die for tungsten alloys Extrusion die for tungsten alloys

1998-02-23

1999-12-07

Crane, Daniel C.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

722531, B21C 2502

Patent

active

05996393&

ABSTRACT:
A method and apparatus has been developed for the work hardening of tungsten alloy rods while achieving a high degree of diametrical control. The method employs multiple extrusions through extrusion dies designed to prevent cracking and delamination of the rods.

REFERENCES:
patent: 4051706 (1977-10-01), Sakamoto
patent: 4521360 (1985-06-01), Fiorentino

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