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Study of flexural rigidity of weavable powder-coated towpregAn effort has been made to weave powder-impregnated tow into a two-dimensional preform, controlling process variables to obtain high flexural rigidity in the warp direction and greater flexibility in the fill direction. The resulting prepregs have been consolidated into laminates with LaRC-TPI matrices. Complementary SEM and DSC studies have been performed to deepen understanding of the relationship between tow flexibility and heat treatment. Attention is also given to the oven temperature and residence time variables' effects on power/fiber fusion.
Document ID
19910064498
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Hirt, Douglas E.
(NASA Langley Research Center Hampton, VA, United States)
Marchello, Joseph M.
(NASA Langley Research Center Hampton, VA, United States)
Baucom, Robert M.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Subject Category
Nonmetallic Materials
Meeting Information
Meeting: International SAMPE Technical Conference
Location: Boston, MA
Country: United States
Start Date: November 6, 1990
End Date: November 8, 1990
Accession Number
91A49121
Distribution Limits
Public
Copyright
Other

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