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Bearingless helicopter main rotor development. Volume 2: Combined load fatigue evaluation of weathered graphite/epoxy compositeSmall scale combined load fatigue tests were conducted on six artificially and six naturally weathered test specimens. The test specimen material was unidirectionally oriented A-S graphite - woven glass scrim epoxy resin laminate.
Document ID
19770015233
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Rackiewicz, J. J. (Sikorsky Aircraft Stratford, CT, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1977
Subject Category
Composite Materials
Report/Patent Number
NASA-CR-145144
SER-70238-VOL-2
Report Number: NASA-CR-145144
Report Number: SER-70238-VOL-2
Accession Number
77N22177
Funding Number(s)
CONTRACT_GRANT: NAS1-13882
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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