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Effect of processing parameters on autoclaved PMR polyimide compositesA study was conducted to determine the effect of processing parameters on the processability and properties of autoclaved fiber reinforced PMR polyimide composites. Composites were fabricated from commercially available graphite fabric and glass fabric PMR polyimide prepreg materials. Process parameters investigated included degree of resin advancement, heating rate, and cure pressure. Composites were inspected for porosity by ultrasonic C scan and photomicrographic examination. Processing characteristics for each set of process parameters and the effect of process parameters on composite mechanical properties at room temperature and 600 F are described.
Document ID
19770025304
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vannucci, R. D. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1977
Subject Category
Composite Materials
Report/Patent Number
NASA-TM-73701
E-9240
Report Number: NASA-TM-73701
Report Number: E-9240
Meeting Information
Meeting: Natl. Tech. Conv.
Location: Atlanta
Start Date: October 4, 1977
End Date: October 6, 1977
Sponsors: Atlanta Chapter of the Soc. for Adv. of Mater. and Process Eng.
Accession Number
77N32248
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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