Results show that it is difficult to make cathodic protection on bare steel because of large current density, and that cathodic protection is suitable for coated steel.
试验结果表明，对裸钢采用阴极保护时，所需电流密度较大，实施难度较大；而对有涂层的钢则更宜采用阴极保护措施。
Therefore it is significant to find a simple method to describe the distribution of potential and current density under the cathodic protection.
由此可见，寻找一种能满足工程要求的简单方法来求解船体的保护电位及电流密度分布问题具有重要意义。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
The 2-d finite element method was an effective method to calculate the potential and current density distribution of cathodic protection fields.
有限元法已被证明是计算阴极保护场中电位、电流密度分布的有效方法。
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