期刊
APPLIED SURFACE SCIENCE
卷 389, 期 -, 页码 96-102出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2016.07.092
关键词
Carbon fibers; ZnO nanowires; Interface performance; Interphase area
类别
资金
- NSFC of China [51275393]
- Specialized Research Fund for the Doctoral Program of Higher Education [20120201110031]
- Xi'an Jiaotong University Funds of Fundamental Scientific Research [xkjc 2014010]
- Program for New Century Excellent Talents in University [NCET-11-0419]
The fiber/matrix interface was reinforced by introducing nanostructure on the fiber surface, which enlarged the interphase area for stress transfer across the interface. To study the relationship between the interphase area and the interface performance, a low-temperature method for varying the dimensions of ZnO nanowires grown on the carbon fiber surface was proposed. The surface area with ZnO nanowires introduced was controlled by the conditions for growth: ultrasonic dispersion time, reaction time and Polyethylene glycol concentration. The effects of that varying ZnO the nanowires dimensions on interface performance was evaluated using wettability test and interfacial shear strength (IFSS). ZnO nanowires affect the liquid-motion on the fiber surface, and a shift to hydrophobicity was observed with decreasing the surface coverage of ZnO nanowires. A nonlinear relationship between IFSS and the ratio of the area of the introduced ZnO nanowires suggested unfavorable wettability impeded resin infiltration into ZnO nanowires. (C) 2016 Elsevier B.V. All rights reserved.
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