A system and method for monitoring the effectiveness of a coating on a substrate surface and indicating the failure of the coating to adequately protect the surface from corrosion, degradation, and the like. The system includes a sensor array positioned in contact with the coating utilizing a number of sensor electrodes connected to a single integrated circuit or a number of separate individual sensor circuits. The electrodes of the sensor array make measurements of the electrochemical impedance characteristics of the coating and provide such data by way of telemetry to a data interrogation device that is periodically be placed in proximity to the sensor array. The interrogation device may serve to both power the sensor array and trigger it to acquire data. A nominal parameter N′， which is the product of the impedance magnitude and the phase angle, is utilized as a direct indication of the resistance and capacitance characteristics of the coating and therefore a direct indication of the coatings effectiveness.

 

　　

　　一種用于監測涂層在襯底表面上的有效性和預測涂層未能充分保護表面免受腐蝕，劣化等的系統和方法。系統包括一個定位接觸涂層的傳感器陣列利用大量的傳感器電極連接到一個單一的集成電路或多個獨立的單個傳感器電路。傳感器陣列的電極用于測量涂層的電化學阻抗特性并且通過遙測方式提供這些數據給被周期性地放置在靠近傳感器陣列的數據訊問裝置。訊問裝置可用于兩個電源的傳感器陣列，并觸發它來采集數據。標稱參數N',它是阻抗幅值和相位角的乘積，被用作涂層的電阻和電容特性的直接指示，因此，是涂層有效性的直接指示。