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Quality assurance of PMR-15Controls on the PMR-15 resin and/or prepreg were established to ensure a solid base for the subsequent process development task. The effort was divided into subtasks which included evaluation of commercially available graphite/PMR-15 polyimide prepregs, detailed evaluation of materials and selection of chemical test procedures. During the initial phase of the program a variability problem was detected in the PMR-15 resin. The manufacturing and/or storage of the PMR-15 resin/esters was identified as the chief cause for the variability.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Hunter, A. B.
(Boeing Aerospace Co. Seattle, WA, United States)
Date Acquired
August 9, 2013
Publication Date
August 1, 1979
Publication Information
Publication: NASA. Langley Res. Center Graphite(Polyimide Composites
Subject Category
Composite Materials
Accession Number
Distribution Limits
Work of the US Gov. Public Use Permitted.

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