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

Ghossein, Hicham; Hassen, Ahmed A.; Paquit, Vincent C.; Love, Lonnie J.; Vaidya, Uday Kumar

doi:10.1016/j.mtcomm.2018.08.001

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

Journal Article · Tue Aug 07 00:00:00 EDT 2018 · Materials Today Communications

DOI:https://doi.org/10.1016/j.mtcomm.2018.08.001· OSTI ID:1470883

Ghossein, Hicham ^[1]; ^[2]; ^[3]; ^[3]; ^[4]

Univ. of Tennessee, Knoxville, TN (United States). Dept. of Mechanical, Aerospace and Biomedical Engineering, Fibers and Composites Manufacturing Facility (FCMF)
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF), and Materials Science & Technology Division
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)
Univ. of Tennessee, Knoxville, TN (United States). Dept. of Mechanical, Aerospace and Biomedical Engineering; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Manufacturing Demonstration Facility (MDF)

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. Here, 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.

View Accepted Manuscript (DOE)

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

Grant/Contract Number:: AC05-00OR22725; EE0006926

OSTI ID:: 1470883

Alternate ID(s):: OSTI ID: 1735650

Journal Information:: Materials Today Communications, Journal Name: Materials Today Communications Journal Issue: C Vol. 17; ISSN 2352-4928

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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