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Title: Carbon Nanotube Chopped Fiber for Enhanced Properties in Additive Manufacturing

Abstract

Nanocomp Technologies, Inc. is working with Oak Ridge National Laboratory to develop carbon nanotube (CNT) composite materials and evaluate their use in additive manufacturing (3D printing). The first phase demonstrated feasibility and improvements for carbon nanotube (CNT)- acrylonitrile butadiene styrene (ABS) composite filaments use in additive manufacturing, with potential future work centering on further improvements. By focusing the initial phase on standard processing methods (developed mainly for the incorporation of carbon fibers in ABS) and characterization techniques, a basis of knowledge for the incorporation of CNTs in ABS was learned. The ability to understand the various processing variables is critical to the successful development of these composites. From the degradation effects on ABS (caused by excessive temperatures), to the length of time the ABS is in the melt state, to the order of addition of constituents, and also to the many possible mixing approaches, a workable flow sequence that addresses each processing step is critical to the final material properties. Although this initial phase could not deal with each of these variables in-depth, a future study is recommended that will build on the lessons learned for this effort.

Authors:
 [1];  [1];  [1]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office
OSTI Identifier:
1302927
Report Number(s):
ORNL/TM-2016/277
ED2802000; CEED492; CRADA/NFE-15-05687
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; CNTs; Carbon Nanotubes; ABS; composites; Fiber reinforced composites

Citation Formats

Menchhofer, Paul A., Johnson, Joseph E., and Lindahl, John M. Carbon Nanotube Chopped Fiber for Enhanced Properties in Additive Manufacturing. United States: N. p., 2016. Web. doi:10.2172/1302927.
Menchhofer, Paul A., Johnson, Joseph E., & Lindahl, John M. Carbon Nanotube Chopped Fiber for Enhanced Properties in Additive Manufacturing. United States. https://doi.org/10.2172/1302927
Menchhofer, Paul A., Johnson, Joseph E., and Lindahl, John M. 2016. "Carbon Nanotube Chopped Fiber for Enhanced Properties in Additive Manufacturing". United States. https://doi.org/10.2172/1302927. https://www.osti.gov/servlets/purl/1302927.
@article{osti_1302927,
title = {Carbon Nanotube Chopped Fiber for Enhanced Properties in Additive Manufacturing},
author = {Menchhofer, Paul A. and Johnson, Joseph E. and Lindahl, John M.},
abstractNote = {Nanocomp Technologies, Inc. is working with Oak Ridge National Laboratory to develop carbon nanotube (CNT) composite materials and evaluate their use in additive manufacturing (3D printing). The first phase demonstrated feasibility and improvements for carbon nanotube (CNT)- acrylonitrile butadiene styrene (ABS) composite filaments use in additive manufacturing, with potential future work centering on further improvements. By focusing the initial phase on standard processing methods (developed mainly for the incorporation of carbon fibers in ABS) and characterization techniques, a basis of knowledge for the incorporation of CNTs in ABS was learned. The ability to understand the various processing variables is critical to the successful development of these composites. From the degradation effects on ABS (caused by excessive temperatures), to the length of time the ABS is in the melt state, to the order of addition of constituents, and also to the many possible mixing approaches, a workable flow sequence that addresses each processing step is critical to the final material properties. Although this initial phase could not deal with each of these variables in-depth, a future study is recommended that will build on the lessons learned for this effort.},
doi = {10.2172/1302927},
url = {https://www.osti.gov/biblio/1302927}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jun 06 00:00:00 EDT 2016},
month = {Mon Jun 06 00:00:00 EDT 2016}
}