恒电位脉冲电沉积高锡青铜耐蚀镀层工艺研究

包任, 周根树, 李宏伟

Preparation of High-tin Bronze Corrosion-resistant Coating by Potentiostatic Pulse Electrodeposition

BAO Ren, ZHOU Genshu, LI Hongwei

表2 不同截面尺寸试样上脉冲方式电沉积镀层的厚度

Table 2 Thicknesses of the coatings electrodeposited on two samples with different cross-sectional areas in two pulse modes

Sample Thickness of the first point / μm Thickness of the second point / μm Thickness of the third point / μm Average thickness / μm Constant-current pulse S=78.5 mm2 6.1 6.4 6.2 6.2 S=270 mm2 6.9 6.3 5.6 6.3 Potentiostatic pulse S=78.5 mm2 10.7 10.3 11.2 10.7 S=270 mm2 11.1 12.3 11.8 11.7