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Mechanical properties of neat polymer matrix materials and their unidirectional carbon fiber-reinforced compositesThe mechanical properties of two neat resin systems for use in carbon fiber epoxy composites were characterized. This included tensile and shear stiffness and strengths, coefficients of thermal and moisture expansion, and fracture toughness. Tests were conducted on specimens in the dry and moisture-saturated states, at temperatures of 23, 82 and 121 C. The neat resins tested were American Cyanamid 1806 and Union Carbide ERX-4901B(MPDA). Results were compared to previously tested neat resins. Four unidirectional carbon fiber reinforced composites were mechanically characterized. Axial and transverse tension and in-plane shear strengths and stiffness were measured, as well as transverse coefficients of thermal and moisture expansion. Tests were conducted on dry specimens only at 23 and 100 C. The materials tested were AS4/3502, AS6/5245-C, T300/BP907, and C6000/1806 unidirectional composites. Scanning electron microscopic examination of fracture surfaces was performed to permit the correlation of observed failure modes with the environmental test conditions.
Document ID
19890005829
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Zimmerman, Richard S.
(Wyoming Univ. Laramie, WY, United States)
Adams, Donald F.
(Wyoming Univ. Laramie, WY, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1988
Subject Category
Composite Materials
Report/Patent Number
UWME-DR-601-103-1
NAS 1.26:181631
NASA-CR-181631
Accession Number
89N15200
Funding Number(s)
PROJECT: RTOP 505-63-01-01
CONTRACT_GRANT: NAG1-277
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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