期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 78, 期 -, 页码 311-317出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.08.027
关键词
Carbon fiber; Polymer-matrix composites (PMCs); Environmental degradation; Interface/interphase
资金
- Materials Innovation for Marine and Offshore (MIMO) Program under the Agency for Science, Technology and Research (A*Star) of Singapore [SERC1123004028]
- National Natural Science Foundation of China [11202081]
In recent years, carbon fiber reinforced polymer (CFRP) composites have found increasing applications in marine and offshore area, where the CFRP components are subjected to a persistent attack of moisture. The performance degradation of composites under those critical service conditions becomes a key issue. In this work, silane coating and multiwalled carbon nanotubes were applied on carbon fibers to enhance the fiber/matrix interfacial bonding strength. The long-term effects of moisture on the interfacial shear strength (IFSS) of the composites in underwater environments, such as de-ionized water and simulated seawater, have been studied using single fiber microbond method. The silane coating and carbon nanotube-modified silane coating are found to contribute 14.5% and 26.3% increase in IFSS of the CFRP in dry air, and well maintain this improvement during a 120-day immersion test in de-ionized water and simulated seawater. (C) 2015 Elsevier Ltd. All rights reserved.
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