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Title: Additive manufacturing of short and mixed fibre-reinforced polymer

Abstract

Additive manufacturing of a fiber-reinforced polymer (FRP) product using an additive manufacturing print head; a reservoir in the additive manufacturing print head; short carbon fibers in the reservoir, wherein the short carbon fibers are randomly aligned in the reservoir; an acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin in the reservoir, wherein the short carbon fibers are dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin; a tapered nozzle in the additive manufacturing print head operatively connected to the reservoir, the tapered nozzle produces an extruded material that forms the fiber-reinforced polymer product; baffles in the tapered nozzle that receive the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin with the short carbon fibers dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin; and a system for driving the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin with the short carbon fibers dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin from the reservoir through the tapered nozzle wherein the randomly aligned short carbon fibers in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin are aligned by the baffles and wherein the extruded material has the short carbon fibers aligned in the acrylate,more » methacrylate, epoxy, cyanate ester or isocyanate resin that forms the fiber-reinforced polymer product.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1416736
Patent Number(s):
9862140
Application Number:
14/802,105
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29K - INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Jul 17
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 42 ENGINEERING

Citation Formats

Lewicki, James, Duoss, Eric B., Rodriguez, Jennifer Nicole, Worsley, Marcus A., and King, Michael J. Additive manufacturing of short and mixed fibre-reinforced polymer. United States: N. p., 2018. Web.
Lewicki, James, Duoss, Eric B., Rodriguez, Jennifer Nicole, Worsley, Marcus A., & King, Michael J. Additive manufacturing of short and mixed fibre-reinforced polymer. United States.
Lewicki, James, Duoss, Eric B., Rodriguez, Jennifer Nicole, Worsley, Marcus A., and King, Michael J. Tue . "Additive manufacturing of short and mixed fibre-reinforced polymer". United States. https://www.osti.gov/servlets/purl/1416736.
@article{osti_1416736,
title = {Additive manufacturing of short and mixed fibre-reinforced polymer},
author = {Lewicki, James and Duoss, Eric B. and Rodriguez, Jennifer Nicole and Worsley, Marcus A. and King, Michael J.},
abstractNote = {Additive manufacturing of a fiber-reinforced polymer (FRP) product using an additive manufacturing print head; a reservoir in the additive manufacturing print head; short carbon fibers in the reservoir, wherein the short carbon fibers are randomly aligned in the reservoir; an acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin in the reservoir, wherein the short carbon fibers are dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin; a tapered nozzle in the additive manufacturing print head operatively connected to the reservoir, the tapered nozzle produces an extruded material that forms the fiber-reinforced polymer product; baffles in the tapered nozzle that receive the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin with the short carbon fibers dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin; and a system for driving the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin with the short carbon fibers dispersed in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin from the reservoir through the tapered nozzle wherein the randomly aligned short carbon fibers in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin are aligned by the baffles and wherein the extruded material has the short carbon fibers aligned in the acrylate, methacrylate, epoxy, cyanate ester or isocyanate resin that forms the fiber-reinforced polymer product.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {1}
}

Works referenced in this record:

Method for manufacturing a carbon fiber composite
patent, October 2001


Freeform fabrication method using extrusion of non-cross-linking reactive prepolymers
patent-application, August 2002


Color three dimensional printing
patent-application, December 2013


Method and apparatus for continuous composite three-dimensional printing
patent-application, March 2014


Methods for fiber reinforced additive manufacturing
patent-application, December 2014


Low shear process for producing polymer composite fibers
patent-application, October 2016


3D-Printing of Lightweight Cellular Composites
journal, June 2014