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Apollo experience report: Detection and minimization of ignition hazards from water/glycol contamination of silver-clad electrical circuitryThe potential flammability hazard when a water/glycol solution contacts defectively insulated silver-clad copper circuitry or electrical components carrying a direct current is described. The chemical reactions and means for detecting them are explained. Methods for detecting and cleaning contaminated areas and the use of inhibitors to arrest chemical reactivity are also explained. Preventive measures to minimize hazards are given. Photomicrographs of the chemical reactions occurring on silver clad wires are also included.
Document ID
19760011096
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Downs, W. R. (NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Date Acquired
September 3, 2013
Publication Date
March 1, 1976
Subject Category
Astronautics (General)
Report/Patent Number
JSC-S-449
NASA-TN-D-8177
Report Number: JSC-S-449
Report Number: NASA-TN-D-8177
Accession Number
76N18184
Funding Number(s)
PROJECT: RTOP 986-15-31-01-72
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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