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http://dx.doi.org/10.7234/composres.2015.28.1.022

Evaluation of Mechanical and Interfacial Properties between Glass Fiber and Epoxy Resin after NaCl Solution and Aging Treatments  

Shin, Pyeong-Su (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Wang, Zuo-Jia (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Kwon, Dong-Jun (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Choi, Jin-Yeong (Department of Materials Engineering and Convergence Technology, Gyeongsang National University)
Lee, Sang-Il (Wind Turbine Development & Engineering Team, Doosan Heavy Industries & Construction)
Park, Joung-Man (Department of Materials Engineering and Convergence Technology, Research Institute for Green Energy Convergence Technology, Gyeongsang National University)
Publication Information
Composites Research / v.28, no.1, 2015 , pp. 22-27 More about this Journal
Abstract
Although it is important to have high strength of each of fiber and matrix, interface between fiber and matrix is most important. If NaCl water penetrates the interface, that area will be weak. So experiment about increasing interfacial strength is in process. In this study, the change of properties by mechanical, interfacial and micromechanical tests was observed after NaCl and aging treatment. The changes in mechanical properties of glass fiber were investigated using single-fiber tensile test. Interfacial properties between glass fiber and epoxy resin were evaluated using nondestructive acoustic emission (AE) and micromechanical test applied to fatigue test. Through change of fatigue properties, relative interfacial properties were evaluate. In conclusion, glass fiber diameter decreased and the reduction of mechanical and interfacial was observed with NaCl solution and aging treatment.
Keywords
Interface; Glass fiber; Epoxy resin; Water resistance; Micromechanical;
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Times Cited By KSCI : 4  (Citation Analysis)
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