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Title: Carbon fiber reinforcements for sheet molding composites

A method of processing a carbon fiber tow includes the steps of providing a carbon fiber tow made of a plurality of carbon filaments, depositing a sizing composition at spaced-apart sizing sites along a length of the tow, leaving unsized interstitial regions of the tow, and cross-cutting the tow into a plurality of segments. Each segment includes at least a portion of one of the sizing sites and at least a portion of at least one of the unsized regions of the tow, the unsized region including and end portion of the segment.
Inventors:
;
Issue Date:
OSTI Identifier:
1409021
Assignee:
UT-Battelle, LLC (Oak Ridge, TN) ORNL
Patent Number(s):
9,815,224
Application Number:
14/672,703
Contract Number:
AC05-00OR22725
Resource Relation:
Patent File Date: 2015 Mar 30
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 42 ENGINEERING

Other works cited in this record:

Method for producing chopped fiber strands
patent, June 1996

Flexible low bulk pre-impregnated tow
patent, May 1998

Method and apparatus for preparing resin-impregnated structures reinforced by continuous fibers
patent, September 1999

Fiber Tow Treatment Apparatus And System
patent-application, August 2012

Chopped Carbon Fiber
patent-application, November 2013

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