Patent
Method for processing and densifying metal powder
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TLDR
In this paper, a method of producing a densified compact from a loose metal powder was proposed, the method comprising introducing strain into each particle of the powder to impart a residual stress to increase the potential energy level of the particles above the potential potential energy which the particles may have acquired during production thereof, the strain being introduced at a temperature below the recrystallization temperature thereof, and thereafter hot consolidating the powder.Abstract:
A method of producing a densified compact from a loose metal powder, the method comprising introducing strain into each particle of the loose metal powder to impart a residual stress to increase the potential energy level of the particles above the potential energy which the particles may have acquired during production thereof, the strain being introduced at a temperature below the recrystallization temperature thereof, and thereafter hot consolidating the loose metal powder.read more
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Low alloy sintered steel and method of preparing the same
Yoshiaki C,Kozo C,Yoshinobu C +2 more
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David Francis Dr. Lupton,Jörg Schielke,Manfred Weigelt,Klaus Dr Petermann,Eric Mix,Livio Fornasiero +5 more
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Billet conditioning technique for manufacturing powder metallurgy preforms
Harold L. Gegel,Yellapregada V. R. K. Prasad,Sokka M. Doraivelu,Raghavan Srinivasan,J. S. Gunasekera,Douglas R. Barker,James T. Morgan,James C. Malas,Kristine A. Lark,Lawrence E. Matson +9 more
TL;DR: In this paper, a process for manufacturing powder metallurgy (P/M) preforms which are conditioned for optimum intrinsic workability is described, which comprises steps of heating a quantity of P/M material in a can to a first preselected temperature under vacuum to degas the material, compacting the canned material at a second preselected time under pressure to provide a compact of the material; or cold compressing the powder to about 75% density and degassing it at suitable temperature and then vacuum hot pressing the powder at about 0.75 melting point.
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Composite metal powder
TL;DR: In this article, the authors describe a "wougHT COMPOSITE METAL POWDER", which is defined as a metal capable of being composed of at least one constituent, at the least one of which is a METAL capable of becomPRESSIVELY deformed.
Patent
Hot isostatic pressing using a vitreous container
TL;DR: In this article, hot compacting of metallic powders in a vitreous evacuated container of a predetermined shape corresponding to the shape of the densified object desired by subjecting the container to a temperature sufficient to render the container plastic and the contents densifiable, by the application of external pressure upon the container walls.
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Method of fabricating nickel base superalloys having improved stress rupture properties
C Kortovich,H Collins,L Graham +2 more
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Hot working of dispersion-strengthened heat resistant alloys and the product thereof
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