环氧树脂基导电复合涂层的制备及防腐蚀性能
Chinese Journal of Materials Research（2014）
Abstract
采用物理混合的方法在Q235碳钢表面制备一种环氧树脂基导电复合涂层.结果表明,E51环氧树脂清漆涂层存在大量的微泡,严重影响涂层的防护性能.导电复合涂层的微泡数量显著降低,经2000 h盐水浸泡和盐雾腐蚀实验结果表明,涂层未出现起泡、剥落等破坏,涂层下的Q235碳钢未发生腐蚀.电化学交流阻抗表明,随着浸泡时间的延长E51清漆涂层的阻抗急剧降低,而复合涂层的阻抗随着浸泡时间的延长而增大,表现出一定的自修复功能.复合涂层的电阻率和附着力分别为103Ω·cm数量级和9.12 MPa.
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Key words
epoxy resin, conductive, anticorrosion,metalic materials, materials failure and protection, Q235 steel
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