Tool for warm and hot forgings and process for manufacturing the

Details Tool for warm and hot forgings and process for manufacturing the Tool for warm and hot forgings and process for manufacturing the

1985-05-23

1986-12-09

Albritton, C. L.

Electric heating

Metal heating

By arc

219121ED, 219118, 219 77, B23K 2600

Patent

active

046281789

ABSTRACT:
A tool for warm and hot forgings is proposed which is made by bonding cemented carbide to steel by applying electron beams or laser to the joint. The cemented carbide includes a hard phase of tungsten carbide and a binder metal phase containing at least one of Ni, Co and Fe, and at least one of Cr, Mo and W, the latter forming a solid solution. A process for manufacturing such a tool is also proposed in which unfocussed high-energy beams are applied to each side of the joint and focussed beams are then applied to a point slightly away from the joint toward the cemented carbide.

REFERENCES:
patent: 4145094 (1979-03-01), Vezirian
patent: 4306139 (1981-12-01), Shinozaki et al.
patent: 4492846 (1985-01-01), Hara et al.

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