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Compatibility testing of spacecraft materials and spacestorable liquid propellantsCompatibility data for aluminum alloy 2219-T87 and titanium alloy Ti-6Al-4V were obtained while these alloys were exposed to both liquid and vapor fluorine and FLOX at -320 F + or -10 F. These data were obtained using a new low cost compatibility method which incorporates totally sealed containers and double dogbone test specimens and propellants in the simultaneous exposure to vapor and liquid phases. The compatibility investigation covered a storage period in excess of one year. Pitting was more severe in the 2219-T87 aluminum alloy than in the Ti-6Al-4V titanium alloy for both fluorine and FLOX exposure. The degree of chemical attack is more severe in the presence of FLOX than in fluorine and phase. The mechanical properties of the two alloys were not affected by storage in either of the two propellants.
Document ID
19740023228
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Denson, J. R. (TRW Systems Group Redondo Beach, CA, United States)
Toy, A. (TRW Systems Group Redondo Beach, CA, United States)
Date Acquired
September 3, 2013
Publication Date
February 1, 1974
Subject Category
Space Vehicles
Report/Patent Number
TRW-23162-6020-RU-00
NASA-CR-139391
Accession Number
74N31341
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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