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    • 4. 发明授权
    • Embeddable corrosion rate meters for remote monitoring of structures susceptible to corrosion
    • 用于远程监测易腐蚀结构的可嵌入式腐蚀速率计
    • US07148706B2
    • 2006-12-12
    • US10517364
    • 2003-07-18
    • Rengaswamy SrinivasanHassan M. SaffarianTerry E. Phillips
    • Rengaswamy SrinivasanHassan M. SaffarianTerry E. Phillips
    • G01R27/08
    • G01N17/04G01N17/02
    • An embeddable corrosion rate meter (ECRM) for detecting and measuring corrosion in metal and concrete structures is provided. The system comprises an electrochemical cell with at least one working electrode evenly separated from a counter electrode, wherein a separation distance between electrodes determines an electrolyte medium resistance and the electrolyte medium resistance is less than or equal to a polarization resistance. The system further includes a signal generator connected to a plurality of resistances for creating a plurality of current amplitudes for generating a current source; a first selector for applying a current through each of the plurality of resistances to the working electrode and counter electrode; a second selector for selecting a duration of a current pulse; a voltmeter/A-D converter having an input impedance >109 ohms for measuring polarization of the working electrode; and an external reader-head with a data link and power link connected to a computing device for powering the system and collecting corrosion measurements data.
    • 提供了一种用于检测和测量金属和混凝土结构腐蚀的嵌入式腐蚀速率计(ECRM)。 该系统包括具有与对电极均匀分离的至少一个工作电极的电化学电池,其中电极之间的间隔确定电解质介质电阻并且电解质介质电阻小于或等于极化电阻。 该系统还包括连接到多个电阻的信号发生器,用于产生用于产生电流源的多个电流幅度; 第一选择器,用于将电流通过所述多个电阻中的每一个施加到所述工作电极和对电极; 用于选择当前脉冲的持续时间的第二选择器; 具有用于测量工作电极极化的输入阻抗> 10欧姆的电压表/ A-D转换器; 以及具有连接到计算设备的数据链路和电源链路的外部读取器头,用于为系统供电并收集腐蚀测量数据。