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一种新型长效纳米环氧涂料的电位-电容行为研究
THE POTENTIAL-CAPACITANCE PROPERTY OF A NANO EXPOXY COATING
【摘要】 采用电位电容法及Mott-Schottky分析法研究了一种新型长效纳米环氧涂料在5%Na2SO4溶液浸泡过程中的导电行为转变。研究表明,该种新型长效纳米涂料具有非常好的防护阻隔效果。随着浸泡时间的延长,该涂料在失效过程中也存在半导体导电特征。
【Abstract】 The conductivity of a kind of nano epoxy coating on 304 stainless steel in 5% Na2SO4 solution was studied by means of potential-capacitance method and Mott-Schottky analysis. It is shown that the protection and impedance property of the nano epoxy coating is excellent. With increasing immersion time, there existed semi-conducting behavior of the nano epoxy coating during its degradation.
【关键词】 纳米环氧涂层;
半导体;
Mott-Schottky图;
导电机制;
【Key words】 Nano epoxy coating; Semi-conductor; Mott-Schottky plot; Conducting mechanism;
【Key words】 Nano epoxy coating; Semi-conductor; Mott-Schottky plot; Conducting mechanism;
【基金】 上海市科委纳米专项(0352nm028);上海市科委启明星计划(04QMX1451);上海市教委优青后备人选培养计划(03YQHB128);上海市教委曙光计划(01SG043);上海市教育委员会“电厂热能动力与环境工程”重点学科项目资助。
- 【文献出处】 腐蚀与防护 ,Corrosion & Protection , 编辑部邮箱 ,2005年04期
- 【分类号】TG174.4
- 【下载频次】122