Issue 109, 2016, Issue in Progress

CNC–Al2O3–Ti: a new unit for micro scale strain sensing

Abstract

A highly elastic strain sensing unit, consisting of a single modified carbon nanocoil (CNC) as the substrate, a layer of titanium film as the sensing layer and an Al2O3 film as the insulation layer between them, has been fabricated and studied. This unit has the ability of transforming a large macro longitudinal stretching to a small local torsional strain. According to the changes of resistance with the strain, it is found that the resistance variation of the unique three-dimensional helical composite structure is as high as 30% in the deformation of micrometer scale, and the ratio of resistance change to overall strain of the composite and the average strain of Ti particles reach 5 and 100, respectively. It provides a theoretical and experimental foundation for the applications of the strain sensing to the micro-electromechanical systems or microsensing systems.

Graphical abstract: CNC–Al2O3–Ti: a new unit for micro scale strain sensing

Supplementary files

Article information

Article type
Paper
Submitted
07 Sep 2016
Accepted
26 Oct 2016
First published
26 Oct 2016

RSC Adv., 2016,6, 107683-107688

CNC–Al2O3–Ti: a new unit for micro scale strain sensing

C. Li, L. Pan, C. Deng and P. Wang, RSC Adv., 2016, 6, 107683 DOI: 10.1039/C6RA22361C

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