期刊
APPLIED SURFACE SCIENCE
卷 257, 期 1, 页码 203-209出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.06.065
关键词
Arc spraying; Zn-Al alloys; Microstructure; Carbon fiber reinforced epoxy composites
This paper investigates the effect of arc spraying power on the microstructure and mechanical properties of Zn-Al coatings deposited on carbon fiber reinforced epoxy composites (CFRE composites). The bond strength between the Zn-Al coatings and the substrates was tested on a RGD-5 tensile testing machine. The microstructures and phase composition of the as-sprayed coatings were examined by scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively. The results showed that both the melting extent of Zn-Al particles and the bond strength of the coatings were evidently improved by increasing the spraying power. Moreover, the content of crystalline Zn-Al coatings was slightly changed. Observation of fracture surfaces showed that the Zn-Al coatings could bond well with the carbon fiber bundles using 40 kW spraying power. (C) 2010 Elsevier B. V. All rights reserved.
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