交变压力环境下KH-550改性氧化石墨烯环氧 涂层的失效机制
Alternative TitleFailure Mechanism of an Epoxy Coating with KH-550 Modified Graphene Oxide Under Alternating Hydrostatic Pressure
孟凡帝1; 刘莉1; 崔宇2; 王福会1
Source Publication中国表面工程
Other AbstractGraphene has attracted much attention in the application of anticorrosive coatings,due to its excellent mechanical properties,thermochemical stability and large specific surface area.The surface modification of graphene oxide(GO)was performed by silane coupling agent KH550,and the effect of modified GO on the failure mechanism of epoxy coating under simulated marine alternating hydrostatic pressure(AHP)was investigated.The dispersibility of GO powder and its compatibility with epoxy resin were observed by TEM and sedimentation experiments.The protective properties of the coating were studied by gravimetric method,adhesion test and tensile test.OCP and EIS were utilized to study the failure process of the coating under AHP.Results show that the anti-permeability,mechanical properties and adhesion of the coating are improved by modification of KH550-GO.The addition of modified GO reduces the surface defects of the coating,producing acompact coating structure,which effectively retards the diffusion of the solution.The well bonded interface between modified GO and epoxy resin can prevent the destruction of AHP and thus,extend the service life of the coating under AHP environment.
Keyword氧化石墨烯 硅烷偶联剂 有机涂层 交变压力 失效机制
Indexed ByCSCD
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Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
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GB/T 7714
孟凡帝,刘莉,崔宇,等. 交变压力环境下KH-550改性氧化石墨烯环氧 涂层的失效机制[J]. 中国表面工程,2019,32.0(004):27-35.
APA 孟凡帝,刘莉,崔宇,&王福会.(2019).交变压力环境下KH-550改性氧化石墨烯环氧 涂层的失效机制.中国表面工程,32.0(004),27-35.
MLA 孟凡帝,et al."交变压力环境下KH-550改性氧化石墨烯环氧 涂层的失效机制".中国表面工程 32.0.004(2019):27-35.
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