Smart nanostructured polymeric coatings for use as remote optical strain sensors

被引：10

作者：

Halary, J ^{[1
]}

Cookson, P ^{[1
]}

Stanford, JL ^{[1
]}

Lovell, PA ^{[1
]}

Young, RJ ^{[1
]}

机构：

[1] Univ Manchester, Inst Sci & Technol, Manchester Mat Sci Ctr, Manchester M1 7HS, Lancs, England

来源：

ADVANCED ENGINEERING MATERIALS | 2004年 / 6卷 / 09期

关键词：

D O I：

10.1002/adem.200400061

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The development of stress-sensitive coatings was investigated by combining materials that undergo resonant Raman scattering within high performance polymer matrices. The polyurethane nanocomposites (SWNT-PU) filled with dispersed HiPco single-wall carbon nanotubes were suggested to offer a much higher accuracy as strain sensor than the one of micro-phase-separated copolyurethanes (DA-coPU) systems. The use of single-walled carbon nanotubes (SWNT) as strain sensitive Raman-active material was found to show great potential compared to PbO coatings. Non-linear behaviour was observed at higher strain for PU/SWNT nanocomposites suggested to be the result of the debonding of the SWNTs from the matrix and their slipping within the bundles.

引用

页码：729 / 733

页数：5

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