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Sealing micropores in thin castingsMicroscopic pores in thin-walled aluminum castings are sealed by impregnation pretreatment. Technique was developed for investment castings used in hermetically sealed chassic for electronic circuitry. Excessively high leakage rates were previously measured in some chassis.
Document ID
19800000428
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Mersereau, G. A. (Honeywell, Inc.)
Nitzschke, G. O. (Honeywell, Inc.)
Ochs, H. L. (Honeywell, Inc.)
Sutch, F. S. (Honeywell, Inc.)
Date Acquired
August 10, 2013
Publication Date
January 1, 1981
Publication Information
Publication: NASA Tech Briefs
Volume: 5
Issue: 3
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MSC-18623
Accession Number
80B10428
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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