介绍了Kelvin探头振动电容法在腐蚀中的应用原理及试验装置 ,Kelvin探头 (也称为振动电容法 )技术应用到金属腐蚀的研究中 ,可以在不需与被测试样表面相接触的条件下 ,用Kelvin探针作参比电极 ,测量液膜下金属的腐蚀速率 ,电极电位及极化曲线 The application principle and testing device of Kelvin probe vibration capacitance method in corrosion are introduced. The Kelvin probe (also referred to as vibration capacitance method) technology is applied to the research of metal corrosion. It can be used in the condition of not needing to contact with the surface of the tested sample , With Kelvin probe as the reference electrode, measuring the submerged metal corrosion rate, electrode potential and polarization curve