Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder pretreatment
Patent
1998-12-15
2000-03-28
Mai, Ngoclan
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Powder pretreatment
264101, 264221, 264225, 264313, 264317, 264337, 264517, 264DIG44, 419 39, 419 48, 419 60, B22F 300
Patent
active
060427809
ABSTRACT:
A method for producing high performance components by the consolidation of powdered materials under conditions of hot isostatic pressure. The method uses the inclusion of reactive materials mixed into pressure-transmitting mold materials and into the powder to be consolidated to contribute to in-situ materials modification including purification, chemical transformation, and reinforcement. The method also uses encapsulation of the mold in a sealed container to retain the mold material in position, and to exclude air and contaminants.
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