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Title: Enhanced piezoresistive sensing of fiber-reinforced composites via embedded nanoparticles

Abstract

Carbon fiber composites offer outstanding structural performance with high specific strength and are experiencing significant commercial adoption as the fiber price continues to decrease. Composite research efforts now need to focus on creating multifunctional composites, which can offer sensing capabilities in addition to structural attributes. This work focuses on creating multifunctional carbon fiber composites with structural health monitoring capabilities through the integration of piezoresistive nanoparticles on the surface of carbon fiber. Prior research introduced the development of coating silicon carbide nanoparticles on the surface of carbon fiber in a continuous feed-through process to achieve increased SHM sensitivity with enhanced interlaminar strength and tunable mechanical damping properties. One benefit of that coating process is the compatibility with various nanomaterials. This research capitalizes on that benefit by coating different nanoparticles, such as titanium dioxide, on carbon fiber to further enhance the sensing capabilities. A modification to the prior coating process is made in this research to enable significantly higher nanoparticle loading to be achieved. The resulting composites more accurately measure an applied force by responding with a more profound electrical resistance change. This research lays the foundation for efficiently integrating nanoparticles onto fibers leading to homogenously dispersed nanoparticles throughout a fiber reinforcedmore » composite for multifunctional performance.« less

Authors:
ORCiD logo [1];  [1]; ORCiD logo [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1564223
DOE Contract Number:  
AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: SPIE Smart Structures + Nondestructive Evaluation 2019 - Denver, Colorado, United States of America - 3/3/2019 10:00:00 AM-3/7/2019 10:00:00 AM
Country of Publication:
United States
Language:
English

Citation Formats

Bowland, Christopher C., Burgeson, Eric M., and Naskar, Amit K. Enhanced piezoresistive sensing of fiber-reinforced composites via embedded nanoparticles. United States: N. p., 2019. Web. doi:10.1117/12.2514256.
Bowland, Christopher C., Burgeson, Eric M., & Naskar, Amit K. Enhanced piezoresistive sensing of fiber-reinforced composites via embedded nanoparticles. United States. doi:10.1117/12.2514256.
Bowland, Christopher C., Burgeson, Eric M., and Naskar, Amit K. Mon . "Enhanced piezoresistive sensing of fiber-reinforced composites via embedded nanoparticles". United States. doi:10.1117/12.2514256. https://www.osti.gov/servlets/purl/1564223.
@article{osti_1564223,
title = {Enhanced piezoresistive sensing of fiber-reinforced composites via embedded nanoparticles},
author = {Bowland, Christopher C. and Burgeson, Eric M. and Naskar, Amit K.},
abstractNote = {Carbon fiber composites offer outstanding structural performance with high specific strength and are experiencing significant commercial adoption as the fiber price continues to decrease. Composite research efforts now need to focus on creating multifunctional composites, which can offer sensing capabilities in addition to structural attributes. This work focuses on creating multifunctional carbon fiber composites with structural health monitoring capabilities through the integration of piezoresistive nanoparticles on the surface of carbon fiber. Prior research introduced the development of coating silicon carbide nanoparticles on the surface of carbon fiber in a continuous feed-through process to achieve increased SHM sensitivity with enhanced interlaminar strength and tunable mechanical damping properties. One benefit of that coating process is the compatibility with various nanomaterials. This research capitalizes on that benefit by coating different nanoparticles, such as titanium dioxide, on carbon fiber to further enhance the sensing capabilities. A modification to the prior coating process is made in this research to enable significantly higher nanoparticle loading to be achieved. The resulting composites more accurately measure an applied force by responding with a more profound electrical resistance change. This research lays the foundation for efficiently integrating nanoparticles onto fibers leading to homogenously dispersed nanoparticles throughout a fiber reinforced composite for multifunctional performance.},
doi = {10.1117/12.2514256},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2019},
month = {4}
}

Conference:
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