Authors
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Bautista-Quijano, J.R.; Avilés, F.; Aguilar J.O.; Tapia, A.
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Title
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Strain sensing capabilities of a piezoresistive MWCNT-polysulfone film
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Date
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01.05.2010
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Number
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10015
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Abstract
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This work reports the electrical and piezoresistive responses of thin polymer films made of polysulfone (PSF) modified with 0.051% 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 0.21% 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.
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Publisher
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Sensors and Actuators A: Physical
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Wikidata
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Citation
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Sensors and Actuators A: Physical 159 (2010) 135-140
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DOI
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https://doi.org/10.1016/j.sna.2010.03.005
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Tags
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strain piezoresistivity polymer film mwcnt carbon nanotubes actuators sensors composites
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