Forging die

Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging

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Details

72370, 72462, 72467, 761071, B21D 2200

Patent

active

054068258

ABSTRACT:
A forging die has an inner cylinder of a hard material which is composed of 8-40 vol. % of a metal phase including Ni and Mo as major components and the remaining amount of a ceramic phase including Mo.sub.2 NiB.sub.2 and/or (Mo, W).sub.2 NiB.sub.2, and an outer cylinder of metal, wherein the outer periphery of the inner cylinder is in a state of interference fit to the outer cylinder.

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Reports Res. Lab. Asahi Glass 40[2] (1990), Kazuo Hamashima, et al., Mechanical Properties of Boride Cermet at High Temperature, pp. 243-251.
Soviet Powder Metallurgy and Metal Ceramics, No. 8 (44) Aug. 1966, P. T. Kolomytsev, et al. pp. 665-670.

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