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LARC powder prepreg systemThermoplastic prepregs of LARC-TPI have been produced in a fluidized bed unit on spread continuous fiber tows. The powders are melted on the fibers by radiant heating to adhere the polymer to the fiber. This process produces tow prepreg uniformly without imposing severe stress on the fibers or requiring long high temperature residence times for the polymer. Unit design theory and operating correlations have been developed to provide the basis for scale up to commercial operation. Special features of the operation are the pneumatic tow spreader, fluidized bed and resin feed systems.
Document ID
19900056147
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Baucom, Robert M.
(NASA Langley Research Center Hampton, VA, United States)
Marchello, Joseph M.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 14, 2013
Publication Date
July 1, 1990
Publication Information
Publication: SAMPE Quarterly
Volume: 21
ISSN: 0036-0821
Subject Category
Composite Materials
Accession Number
90A43202
Distribution Limits
Public
Copyright
Other

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