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Carbon fiber production at low temperatures from polyacrylonitrileRecent safety considerations have sought to lower the electrical conductivity of carbon fibers. Carbon fibers produced from polyacrylonitrile at low carbonization temperatures (600-900 C) possess low electrical conductivity but do not possess adequate strength. Low-temperature processes are described which improve fiber strength but do not increase electrical conductivity substantially. The processes result in a carbon fiber with nearly twice the tensile strength compared to the old process. Process development and its effect on fiber properties are reported.
Document ID
19810048896
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cagliostro, D. E.
(NASA Ames Research Center Moffett Field, Calif., United States)
Date Acquired
August 11, 2013
Publication Date
October 1, 1980
Publication Information
Publication: Textile Research Journal
Volume: 50
Subject Category
Nonmetallic Materials
Accession Number
81A33300
Distribution Limits
Public
Copyright
Other

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