介绍了一种快速评定材料耐冲刷腐蚀性能的方法 -划伤电极法。对这种方法的原理、测定方法及数据处理方法作了详细的介绍 ,并用此方法测量了 8种合金耐冲刷腐蚀性能。结果表明 ,划伤电极法可以快速、准确地评价材料的耐冲刷腐蚀性能。 A method to quickly evaluate the erosion resistance of materials - scratch electrode method is introduced. The principle, determination method and data processing method of this method are introduced in detail, and the corrosion resistance of 8 alloys is measured by this method. The results show that the scratch electrode method can quickly and accurately evaluate the erosion resistance of materials.