图 为实验原理图,本实验中试样棒直径D为20mm,镀层厚度单边为0.1mm,镀层宽度为10mm。
Figure shows the experimental schematic diagram. In this experiment, the diameter of the specimen bar D is 20 mm, the thickness of the plating is 0.1 mm on one side, and the width of the plating is 10 mm.