TY - JOUR
T1 - The effect of bulk-resin CNT-enrichment on damage and plasticity in shear-loaded laminated composites
AU - Ventura, Isaac Aguilar
AU - Lubineau, Gilles
N1 - KAUST Repository Item: Exported on 2020-10-01
Acknowledgements: Funding for this work was provided by KAUST baseline fund, the BOEING Company and SABIC. The authors are grateful for their financial aid.
PY - 2013/7
Y1 - 2013/7
N2 - One way to improve multi functionality of epoxy-based laminated composites is to dope the resin with carbon nanotubes. Many investigators have focused on the elastic and fracture behavior of such nano-modified polymers under tensile loading. Yet, in real structural applications, laminated composites can exhibit plasticity and progressive damage initiated mainly by shear loading. We investigated the damage and plasticity induced by the addition of carbon nanotubes to the matrix of a glass fiber/epoxy composite system. We characterized both the modified epoxy resin and the associated modified laminates using classical mesoscale analysis. We used dynamic mechanical analysis, scanning electron microscopy, atomic force microscopy and classical mechanical testing to characterize samples with different concentrations of nanofillers. Since the samples were prepared using the solvent evaporation technique, we also studied the influence of this process. We found that in addition to the global increase in elastic regime properties, the addition of carbon nanotubes also accelerates the damage process in both the bulk resin and its associated glass-fiber composite. © 2013 Elsevier Ltd.
AB - One way to improve multi functionality of epoxy-based laminated composites is to dope the resin with carbon nanotubes. Many investigators have focused on the elastic and fracture behavior of such nano-modified polymers under tensile loading. Yet, in real structural applications, laminated composites can exhibit plasticity and progressive damage initiated mainly by shear loading. We investigated the damage and plasticity induced by the addition of carbon nanotubes to the matrix of a glass fiber/epoxy composite system. We characterized both the modified epoxy resin and the associated modified laminates using classical mesoscale analysis. We used dynamic mechanical analysis, scanning electron microscopy, atomic force microscopy and classical mechanical testing to characterize samples with different concentrations of nanofillers. Since the samples were prepared using the solvent evaporation technique, we also studied the influence of this process. We found that in addition to the global increase in elastic regime properties, the addition of carbon nanotubes also accelerates the damage process in both the bulk resin and its associated glass-fiber composite. © 2013 Elsevier Ltd.
UR - http://hdl.handle.net/10754/562837
UR - https://linkinghub.elsevier.com/retrieve/pii/S0266353813001930
UR - http://www.scopus.com/inward/record.url?scp=84879271585&partnerID=8YFLogxK
U2 - 10.1016/j.compscitech.2013.05.002
DO - 10.1016/j.compscitech.2013.05.002
M3 - Article
SN - 0266-3538
VL - 84
SP - 23
EP - 30
JO - Composites Science and Technology
JF - Composites Science and Technology
ER -