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Title: Strain sensors, methods of making same, and applications of same

Abstract

In one aspect, the present invention relates to a layered structure usable in a strain sensor. In one embodiment, the layered structure has a substrate with a first surface and an opposite, second surface defining a body portion therebetween; and a film of carbon nanotubes deposited on the first surface of the substrate, wherein the film of carbon nanotubes is conductive and characterized with an electrical resistance. In one embodiment, the carbon nanotubes are aligned in a preferential direction. In one embodiment, the carbon nanotubes are formed in a yarn such that any mechanical stress increases their electrical response. In one embodiment, the carbon nanotubes are incorporated into a polymeric scaffold that is attached to the surface of the substrate. In one embodiment, the surfaces of the carbon nanotubes are functionalized such that its electrical conductivity is increased.

Inventors:
; ;
Issue Date:
Research Org.:
Board of Trustees of the University of Arkansas, Little Rock, AR (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1187946
Patent Number(s):
9,068,283
Application Number:
13/662,955
Assignee:
Board of Trustees of the University of Arkansas (Little Rock, AR)
DOE Contract Number:  
FG36-06GO86072
Resource Type:
Patent
Resource Relation:
Patent File Date: 2012 Oct 29
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Biris, Alexandru S., Trigwell, Steven, and Hatfield, Walter. Strain sensors, methods of making same, and applications of same. United States: N. p., 2015. Web.
Biris, Alexandru S., Trigwell, Steven, & Hatfield, Walter. Strain sensors, methods of making same, and applications of same. United States.
Biris, Alexandru S., Trigwell, Steven, and Hatfield, Walter. Tue . "Strain sensors, methods of making same, and applications of same". United States. https://www.osti.gov/servlets/purl/1187946.
@article{osti_1187946,
title = {Strain sensors, methods of making same, and applications of same},
author = {Biris, Alexandru S. and Trigwell, Steven and Hatfield, Walter},
abstractNote = {In one aspect, the present invention relates to a layered structure usable in a strain sensor. In one embodiment, the layered structure has a substrate with a first surface and an opposite, second surface defining a body portion therebetween; and a film of carbon nanotubes deposited on the first surface of the substrate, wherein the film of carbon nanotubes is conductive and characterized with an electrical resistance. In one embodiment, the carbon nanotubes are aligned in a preferential direction. In one embodiment, the carbon nanotubes are formed in a yarn such that any mechanical stress increases their electrical response. In one embodiment, the carbon nanotubes are incorporated into a polymeric scaffold that is attached to the surface of the substrate. In one embodiment, the surfaces of the carbon nanotubes are functionalized such that its electrical conductivity is increased.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {6}
}

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