Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Controlled cooling after sintering
Patent
1998-10-23
2000-06-20
Mai, Ngoclan
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Controlled cooling after sintering
419 48, 419 49, B22F 312
Patent
active
060774762
ABSTRACT:
A method for operating a gas pressure vessel for use in hot isostatic pressing operations. This method includes heating and gas pressurizing an interior chamber of the vessel and thereafter simultaneously removing hot gas from this interior chamber and introducing cold gas to this interior chamber.
REFERENCES:
patent: 4032337 (1977-06-01), Boyer
patent: 4359336 (1982-11-01), Bowles
patent: 4629412 (1986-12-01), Inoue et al.
patent: 4756680 (1988-07-01), Ishii
patent: 5118289 (1992-06-01), Bergman et al.
"HIP Quench Technology," Proceedings of the International Conference on Hot Isostatic Pressing, May 20-22, 1996, Andover, Massachusetts.
Perez Joseph F.
Quinlan Michael D.
Crucible Materials Corporation
Mai Ngoclan
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