Strain sensing capabilities of a piezoresistive MWCNT-polysulfone film

被引：105

作者：

Bautista-Quijano, J. R. ^{[1
,2
]}

Aviles, F. ^{[1
]}

Aguilar, J. O. ^{[1
,3
]}

Tapia, A. ^{[2
]}

机构：

[1] Ctr Invest Cient Yucatan AC, Unidad Mat, Merida 97200, Yucatan, Mexico

[2] Univ Autonoma Yucatan, Fac Ingn, Merida 97310, Yucatan, Mexico

[3] Univ Quintana Roo, Div Ciencias & Ingn, Col Del Bosque 77019, Chetumal Quinta, Mexico

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2010年 / 159卷 / 02期

关键词：

Strain; Piezoresistivity; Polymer film; MWCNT; CARBON NANOTUBES; ACTUATORS; SENSORS; COMPOSITES;

D O I：

10.1016/j.sna.2010.03.005

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This work reports the electrical and piezoresistive responses of thin polymer films made of polysulfone (PSF) modified with 0.05-1% w/w multi-wall carbon nanotubes (MWCNTs). MWCNT/PSF films are fabricated by solution casting and their electric and piezoresistive responses are evaluated. Gage factors are measured for films with 0.2-1% carbon nanotube weight loadings. The films are then bonded to macroscopic aluminum specimens and evaluated as strain sensing elements during quasi-static and cycling tensile loading. Excellent piezoresistive capabilities are found for films with MWCNT loadings as low as 0.5% w/w, which renders them functionality as strain gages. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：135 / 140

页数：6

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