Integral forming die system for superplastic metal forming

Metal deforming – By application of fluent medium – or energy field – Using fixed die

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72709, B21D 2602

Patent

active

054676266

ABSTRACT:
A free standing, self-supporting ceramic superplastic forming die assembly having a configuration that provides sufficient strength to resist a compressive load exerted by a press to hold a die lid on a die body against an oppositely directed force generated by gas at superplastic forming pressures within the die, and provides sufficient tensile strength, when under pressure of compressive loads exerted by the press to resist internal bursting force exerted by gas at superplastic forming pressures within the die, thereby making possible the use of a ceramic die for superplastic forming applications without the need of a surrounding containment pressure vessel.

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