使用离子选择性微电极对0.6 mol/L NaC1溶液(60℃)中Na+在一种环氧粉末涂层/Q235钢界面上的传输行为进行了研究,并基于Fick第二定律建立了数学模型.结果表明,实验结果和模型吻合较好,依据模型计算得到的Na+表观扩散系数与前人的结果相符.
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