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Optimization parameter of the graphene dispersion and the wettability of graphene/ZrO$_2$ ceramic composites
Received date: 2018-03-30
Online published: 2020-03-22
The wettability of ZrO2 ceramic was improved in the graphene/ZrO2 ceramic composites fabricated by impregnating graphene dispersion into ZrO2 ceramic sintered by micro wave. Firstly, the graphene dispersion was fabricated by ball milling, and the size of graphene with 200.3 nm was obtained after optimizing the process parameter of the ratio of ball, speed, time. Then, the structure of graphene was analyzed through X-ray diffraction (XRD), Raman spectrometer and transmission electron microscope (TEM), and the wettability of ceramic was also investigated. The results showed that the graphene dispersion remained steady for a long time with keeping a few layers. When adding the graphene to the ZrO2 ceramic, the wettability of ZrO2 ceramic was obviously improved because of its lower contact angle and higher surface energy.
Hongrong ZOU, Lei SHI, Chenghui LIN, Yaping ZHANG, Liqi LIU . Optimization parameter of the graphene dispersion and the wettability of graphene/ZrO$_2$ ceramic composites[J]. Journal of Shanghai University, 2020 , 26(1) : 102 -112 . DOI: 10.12066/j.issn.1007-2861.2021
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