Effect of moisture absorption on the mechanical behavior of carbon fiber/epoxy matrix composites
A carbon fiber/epoxy unidirectional laminated composite was exposed to a humid environment and the effect of moisture absorption on the mechanical properties and failure modes was investigated. The composites were exposed to three humidity conditions, namely, 25, 55, and 95 % at a constant temperatu...
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Veröffentlicht in: | Journal of materials science 2013-03, Vol.48 (5), p.1873-1882 |
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creator | Pérez-Pacheco, E. Cauich-Cupul, J. I. Valadez-González, A. Herrera-Franco, P. J. |
description | A carbon fiber/epoxy unidirectional laminated composite was exposed to a humid environment and the effect of moisture absorption on the mechanical properties and failure modes was investigated. The composites were exposed to three humidity conditions, namely, 25, 55, and 95 % at a constant temperature of 25 °C. The carbon fiber–epoxy laminated composites for two different carbon fiber surface treatments were used. The results showed that the mechanical properties differ considerably for each fiber surface treatment. The application of a coupling agent enhanced the fiber-matrix adhesion and reduced dependence of the properties on humidity. The damage mechanism observed at micromechanical level was correlated to acoustic emission signals from both laminated composites. The untreated carbon fiber failure mode was attributed to fiber-matrix interfacial failure and for the silane-treated carbon fiber reinforced epoxy laminate attributed to matrix yielding followed by fiber failure with no signs of fiber-matrix interface failure for moisture contents up to 1.89 %. |
doi_str_mv | 10.1007/s10853-012-6947-4 |
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I. ; Valadez-González, A. ; Herrera-Franco, P. J.</creator><creatorcontrib>Pérez-Pacheco, E. ; Cauich-Cupul, J. I. ; Valadez-González, A. ; Herrera-Franco, P. J.</creatorcontrib><description>A carbon fiber/epoxy unidirectional laminated composite was exposed to a humid environment and the effect of moisture absorption on the mechanical properties and failure modes was investigated. The composites were exposed to three humidity conditions, namely, 25, 55, and 95 % at a constant temperature of 25 °C. The carbon fiber–epoxy laminated composites for two different carbon fiber surface treatments were used. The results showed that the mechanical properties differ considerably for each fiber surface treatment. The application of a coupling agent enhanced the fiber-matrix adhesion and reduced dependence of the properties on humidity. The damage mechanism observed at micromechanical level was correlated to acoustic emission signals from both laminated composites. The untreated carbon fiber failure mode was attributed to fiber-matrix interfacial failure and for the silane-treated carbon fiber reinforced epoxy laminate attributed to matrix yielding followed by fiber failure with no signs of fiber-matrix interface failure for moisture contents up to 1.89 %.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-012-6947-4</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Absorption ; Acoustic emission ; Acoustic emission testing ; Carbon fiber reinforced plastics ; Carbon fibers ; Carbon-epoxy composites ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Composite materials industry ; Coupling agents ; Crystallography and Scattering Methods ; Dependence ; Epoxy matrix composites ; Epoxy resins ; Failure ; Failure modes ; Fiber reinforced polymers ; Fiber-matrix adhesion ; Fibers ; Humidity ; Laminated materials ; Materials Science ; Mechanical properties ; Moisture ; Moisture absorption ; Polymer Sciences ; Silane ; Solid Mechanics ; Surface chemistry ; Surface treatment</subject><ispartof>Journal of materials science, 2013-03, Vol.48 (5), p.1873-1882</ispartof><rights>Springer Science+Business Media New York 2012</rights><rights>COPYRIGHT 2013 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2012). 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J.</creatorcontrib><title>Effect of moisture absorption on the mechanical behavior of carbon fiber/epoxy matrix composites</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>A carbon fiber/epoxy unidirectional laminated composite was exposed to a humid environment and the effect of moisture absorption on the mechanical properties and failure modes was investigated. The composites were exposed to three humidity conditions, namely, 25, 55, and 95 % at a constant temperature of 25 °C. The carbon fiber–epoxy laminated composites for two different carbon fiber surface treatments were used. The results showed that the mechanical properties differ considerably for each fiber surface treatment. The application of a coupling agent enhanced the fiber-matrix adhesion and reduced dependence of the properties on humidity. The damage mechanism observed at micromechanical level was correlated to acoustic emission signals from both laminated composites. The untreated carbon fiber failure mode was attributed to fiber-matrix interfacial failure and for the silane-treated carbon fiber reinforced epoxy laminate attributed to matrix yielding followed by fiber failure with no signs of fiber-matrix interface failure for moisture contents up to 1.89 %.</description><subject>Absorption</subject><subject>Acoustic emission</subject><subject>Acoustic emission testing</subject><subject>Carbon fiber reinforced plastics</subject><subject>Carbon fibers</subject><subject>Carbon-epoxy composites</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Composite materials industry</subject><subject>Coupling agents</subject><subject>Crystallography and Scattering Methods</subject><subject>Dependence</subject><subject>Epoxy matrix composites</subject><subject>Epoxy resins</subject><subject>Failure</subject><subject>Failure modes</subject><subject>Fiber reinforced polymers</subject><subject>Fiber-matrix adhesion</subject><subject>Fibers</subject><subject>Humidity</subject><subject>Laminated materials</subject><subject>Materials Science</subject><subject>Mechanical properties</subject><subject>Moisture</subject><subject>Moisture absorption</subject><subject>Polymer Sciences</subject><subject>Silane</subject><subject>Solid Mechanics</subject><subject>Surface chemistry</subject><subject>Surface treatment</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kV1rFTEQhhdR8Fj9Ad4teKMX206-s5elVC0UBD-uYzadnJOyu1mTbDn99-awglSQGRgYnmcYeJvmLYFzAqAuMgEtWAeEdrLnquPPmh0RinVcA3ve7AAo7SiX5GXzKud7ABCKkl3z89p7dKWNvp1iyGVN2Nohx7SUEOe2djlgO6E72Dk4O7YDHuxDiOlkOJuGSvgwYLrAJR4f28mWFI6ti9MScyiYXzcvvB0zvvkzz5ofH6-_X33ubr98urm6vO0cp7R0TDNmBy3BWassl1RojlIjaomgezc4MQD0vZTUIygCcriTQ--sJhoEI-yseb_dXVL8tWIuZgrZ4TjaGeOaDeGsV6Lnuq_ou3_Q-7imuX5nKBW94qC1rtT5Ru3tiCbMPpZkXa07nIKLM_pQ95dMKcGAy5Pw4YlQmYLHsrdrzubm29enLNlYl2LOCb1ZUphsejQEzClQswVqaqDmFKjh1aGbkys77zH9ffv_0m-CgqGh</recordid><startdate>20130301</startdate><enddate>20130301</enddate><creator>Pérez-Pacheco, E.</creator><creator>Cauich-Cupul, J. 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J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-3833ab860caa7a462584e68ee86e089cbc5b0099662fe07106bd6b9ca81805313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Absorption</topic><topic>Acoustic emission</topic><topic>Acoustic emission testing</topic><topic>Carbon fiber reinforced plastics</topic><topic>Carbon fibers</topic><topic>Carbon-epoxy composites</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Composite materials industry</topic><topic>Coupling agents</topic><topic>Crystallography and Scattering Methods</topic><topic>Dependence</topic><topic>Epoxy matrix composites</topic><topic>Epoxy resins</topic><topic>Failure</topic><topic>Failure modes</topic><topic>Fiber reinforced polymers</topic><topic>Fiber-matrix adhesion</topic><topic>Fibers</topic><topic>Humidity</topic><topic>Laminated materials</topic><topic>Materials Science</topic><topic>Mechanical properties</topic><topic>Moisture</topic><topic>Moisture absorption</topic><topic>Polymer Sciences</topic><topic>Silane</topic><topic>Solid Mechanics</topic><topic>Surface chemistry</topic><topic>Surface treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pérez-Pacheco, E.</creatorcontrib><creatorcontrib>Cauich-Cupul, J. 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The results showed that the mechanical properties differ considerably for each fiber surface treatment. The application of a coupling agent enhanced the fiber-matrix adhesion and reduced dependence of the properties on humidity. The damage mechanism observed at micromechanical level was correlated to acoustic emission signals from both laminated composites. The untreated carbon fiber failure mode was attributed to fiber-matrix interfacial failure and for the silane-treated carbon fiber reinforced epoxy laminate attributed to matrix yielding followed by fiber failure with no signs of fiber-matrix interface failure for moisture contents up to 1.89 %.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10853-012-6947-4</doi><tpages>10</tpages></addata></record> |
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subjects | Absorption Acoustic emission Acoustic emission testing Carbon fiber reinforced plastics Carbon fibers Carbon-epoxy composites Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Composite materials industry Coupling agents Crystallography and Scattering Methods Dependence Epoxy matrix composites Epoxy resins Failure Failure modes Fiber reinforced polymers Fiber-matrix adhesion Fibers Humidity Laminated materials Materials Science Mechanical properties Moisture Moisture absorption Polymer Sciences Silane Solid Mechanics Surface chemistry Surface treatment |
title | Effect of moisture absorption on the mechanical behavior of carbon fiber/epoxy matrix composites |
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