Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder shape or size characteristics
Patent
1988-11-17
1989-08-01
Lechert, Jr., Stephen J.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Powder shape or size characteristics
419 49, 419 52, G22F 300
Patent
active
048531782
ABSTRACT:
A method of consolidating a body in any of initially powdered, sintered, fibrous, sponge, or other form capable of compaction, including the steps: providing a bed of flowable particles within a contained zone, the particulate including flowable and resiliently compressible carbonaceous particles; positioning the body in the bed, to be surrounded by the particles; effecting pressurization of the bed to cause pressure transmission via the particles to said body, thereby to compact the body into desired shape, increasing its density; the particles being heated to elevated temperature prior to compacting of the body into desired shape; and the heating of the particles being effected by passing electric current through same, with heat generated in the particles also to be transferred to the body.
The electrically heated mass of particles may be fluidized; the particles may consist of graphite; and the body may consist of metal, ceramic, or synthetic resin.
REFERENCES:
patent: 3356496 (1967-12-01), Hailey
patent: 3556780 (1966-01-01), Holtz, Jr.
patent: 3561934 (1971-02-01), Steven
patent: 3689259 (1972-09-01), Hailey
patent: 3700435 (1972-10-01), Chandhok
patent: 3706579 (1972-12-01), Michael
patent: 3723109 (1973-03-01), Lacock et al.
patent: 3746518 (1973-07-01), Holtz, Jr.
patent: 3826807 (1974-07-01), Green
patent: 3886254 (1975-05-01), Tanaka
patent: 3992200 (1976-11-01), Chandhok
patent: 4227927 (1980-10-01), Black
patent: 4265681 (1981-05-01), Krause et al.
patent: 4389362 (1983-06-01), Larsson
patent: 4428906 (1984-01-01), Rozmus
patent: 4446100 (1984-05-01), Adlerborn et al.
patent: 4499048 (1985-02-01), Hanejko
patent: 4499049 (1985-02-01), Hanejko
patent: 4501718 (1985-02-01), Bradt
patent: 4518441 (1985-05-01), Hailey
patent: 4539175 (1985-09-01), Lichti et al.
patent: 4541877 (1985-09-01), Stadelmaier et al.
patent: 4554130 (1985-11-01), Ecer
patent: 4568516 (1986-02-01), Adlerborn et al.
patent: 4594219 (1986-06-01), Hostatter et al.
patent: 4597456 (1986-07-01), Ecer
patent: 4602957 (1986-07-01), Pollock et al.
patent: 4603062 (1986-07-01), Ecer
patent: 4630692 (1986-12-01), Ecer
patent: 4640711 (1987-02-01), Lichti et al.
patent: 4656002 (1987-04-01), Lizenby et al.
patent: 4667497 (1987-05-01), Oslin et al.
patent: 4715313 (1987-12-01), Ecer
Ceracon, Inc.
Haefliger William W.
Lechert Jr. Stephen J.
LandOfFree
Electrical heating of graphite grain employed in consolidation o does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrical heating of graphite grain employed in consolidation o, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical heating of graphite grain employed in consolidation o will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-129986