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Canning Of Powdered Metal For Hot Isostatic PressingQuality of specimen enhanced by improved canning process. Method developed for canning specimens for hot isostatic pressing. Specimen placed inside refractory-metal ring, then sandwiched between two refractory-metal face sheets. Assembly placed inside die, then positioned in vacuum hot press. Heated to set temperature at prescribed vacuum to burn off all of binder in specimen. Advantages: powder-metallurgy composite totally purged of binder sealed in can in single operation, maintains size, shape, and uniformity of specimen. Weld region does not recrystallize, and little possibility of cracking.
Document ID
19890000093
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Juhas, John J.
(NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 13, 2013
Publication Date
February 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 2
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
LEW-14719
Accession Number
89B10093
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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