Powder metallurgy processes – Forming articles by uniting randomly associated metal particles – Consolidation of powders
Patent
1988-03-28
1990-06-12
Lechert, Jr., Stephen J.
Powder metallurgy processes
Forming articles by uniting randomly associated metal particles
Consolidation of powders
419 8, 419 26, 419 27, B22F 100
Patent
active
049331418
ABSTRACT:
A process for producing clad products that utilizes wrought or cast components eliminating the need for costly metal powders and a can to contain them. A sleeve circumscribes a core leaving a space therebetween. Powder is introduced into the space and is sealed therein. The resultant billet is extruded generating a clean metallurgical bond between the core and the sleeve. The space need not be evacuated prior to heating the billet. Resultant clad welding rod permits higher operating amperages.
REFERENCES:
patent: 4584170 (1986-04-01), Aslund et al.
patent: 4748059 (1988-05-01), Brosius et al.
Gothard David O.
Hardy Charles P.
Mankins William L.
INCO Alloys International, Inc.
Lechert Jr. Stephen J.
Mulligan, Jr. Francis J.
Steen Edward A.
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