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. 2013 Oct 22;6(10):4776–4786. doi: 10.3390/ma6104776

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© 2013 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Effect of carbon fiber addition: resistivity and strain versus time for a 5 MPa test and (A) 0.29 CF vol %; (B) 0.58 CF vol %; (C) Fractional change of resistance vs. longitudinal strain for 20 loading-unloading cycles tests, also linear regression functions are represented.

Effect of carbon fiber addition: resistivity and strain versus time for a 5 MPa test and (A) 0.29 CF vol %; (B) 0.58 CF vol %; (C) Fractional change of resistance vs. longitudinal strain for 20 loading-unloading cycles tests, also linear regression functions are represented.