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Properties of PMR Polyimide composites made with improved high strength graphite fibersHigh strength, intermediate modulus graphite fibers were obtained from various commercial suppliers, and were used to fabricate PMR-15 and PMR-2 polyimide composites. The effects of the improved high strength graphite fibers on composite properties after exposure in air at 600 F were investigated. Two of the improved fibers were found to have an adverse effect on the long term performance of PMR composites. The influence of various factors such as fiber physical properties, surface morphology and chemical composition were also examined.
Document ID
19800019943
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vannucci, R. D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1980
Subject Category
Composite Materials
Report/Patent Number
E-518
NASA-TM-81557
Report Number: E-518
Report Number: NASA-TM-81557
Meeting Information
Meeting: Natl. SAMPE Tech. Conf.
Location: Seattle
Start Date: October 7, 1980
End Date: October 9, 1980
Accession Number
80N28444
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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