Innovative Method for Enhancing Carbon Fibers Dispersion in Wet-Laid Nonwovens

Hicham Ghossein; Ahmed Arabi Hassen; Vincent Paquit; Lonnie J. Love; Uday K. Vaidya

doi:10.1016/j.mtcomm.2018.08.001

Innovative Method for Enhancing Carbon Fibers Dispersion in Wet-Laid Nonwovens

Hicham Ghossein, Ahmed Arabi Hassen, Vincent Paquit, Lonnie J. Love, Uday K. Vaidya

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

The production of wet laid (WL) reinforcing fiber mats is adopted from the paper making industry to produce carbon fiber (CF) mats. The resulting mats are prone to defects induced by the mixing regime. This study explores a new mixer design that achieved fully dispersed mats with 20 minutes processing time using 25.4 mm long CF. The proposed mixing method is compared against the traditional method and the density distribution of fibers is characterized using Back Light Scattering (BLS) technique. The mats showed high consistency with less than 8% standard deviation from the data collected from different regions within the mats. The innovative mixer resulted in mats with fiber distribution 70% closer to the theoretical distribution than that of the traditional mixer. This innovative method of preparing nonwoven CF mats will create new opportunities for CF nonwoven composite applications.

Original language	English
Pages (from-to)	100-108
Number of pages	9
Journal	Materials Today Communications
Volume	17
DOIs	https://doi.org/10.1016/j.mtcomm.2018.08.001
State	Published - Dec 2018

Funding

A special thanks to Dr. Jesse Ault with the Biomedical Sciences and Engineering Group, Computational Sciences and Engineering Division at Oak Ridge National Laboratory for his support and guidance with the CFD work performed in this study. The information, data, or work presented herein was funded in part by the Office of Energy Efficiency and Renewable Energy (EERE) , U.S. Department of Energy, under Award Number DE-EE0006926 . Disclaimer: “The information, data, or work presented herein was funded in part by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof.”

Funders	Funder number
United States Government
U.S. Department of Energy	DE-EE0006926
Office of Energy Efficiency and Renewable Energy

Keywords

Carbon Fiber
Dispersion
Non-Woven Fabrics
Wet laid

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.mtcomm.2018.08.001

Cite this

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title = "Innovative Method for Enhancing Carbon Fibers Dispersion in Wet-Laid Nonwovens",

abstract = "The production of wet laid (WL) reinforcing fiber mats is adopted from the paper making industry to produce carbon fiber (CF) mats. The resulting mats are prone to defects induced by the mixing regime. This study explores a new mixer design that achieved fully dispersed mats with 20 minutes processing time using 25.4 mm long CF. The proposed mixing method is compared against the traditional method and the density distribution of fibers is characterized using Back Light Scattering (BLS) technique. The mats showed high consistency with less than 8% standard deviation from the data collected from different regions within the mats. The innovative mixer resulted in mats with fiber distribution 70% closer to the theoretical distribution than that of the traditional mixer. This innovative method of preparing nonwoven CF mats will create new opportunities for CF nonwoven composite applications.",

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AU - Ghossein, Hicham

AU - Hassen, Ahmed Arabi

AU - Paquit, Vincent

AU - Love, Lonnie J.

AU - Vaidya, Uday K.

PY - 2018/12

Y1 - 2018/12

N2 - The production of wet laid (WL) reinforcing fiber mats is adopted from the paper making industry to produce carbon fiber (CF) mats. The resulting mats are prone to defects induced by the mixing regime. This study explores a new mixer design that achieved fully dispersed mats with 20 minutes processing time using 25.4 mm long CF. The proposed mixing method is compared against the traditional method and the density distribution of fibers is characterized using Back Light Scattering (BLS) technique. The mats showed high consistency with less than 8% standard deviation from the data collected from different regions within the mats. The innovative mixer resulted in mats with fiber distribution 70% closer to the theoretical distribution than that of the traditional mixer. This innovative method of preparing nonwoven CF mats will create new opportunities for CF nonwoven composite applications.

AB - The production of wet laid (WL) reinforcing fiber mats is adopted from the paper making industry to produce carbon fiber (CF) mats. The resulting mats are prone to defects induced by the mixing regime. This study explores a new mixer design that achieved fully dispersed mats with 20 minutes processing time using 25.4 mm long CF. The proposed mixing method is compared against the traditional method and the density distribution of fibers is characterized using Back Light Scattering (BLS) technique. The mats showed high consistency with less than 8% standard deviation from the data collected from different regions within the mats. The innovative mixer resulted in mats with fiber distribution 70% closer to the theoretical distribution than that of the traditional mixer. This innovative method of preparing nonwoven CF mats will create new opportunities for CF nonwoven composite applications.

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KW - Wet laid

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Innovative Method for Enhancing Carbon Fibers Dispersion in Wet-Laid Nonwovens

Abstract

Funding

Keywords

UN SDGs

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