论文部分内容阅读
研究了获得性能良好的代镉锡锌合金镀层的工艺条件，结果表明在柠檬酸盐酒石酸盐混合体系中可获得光亮细致、抗蚀性好、氢脆性低、焊接性能与镉相当的锡锌合金代镉镀层。还用旋转圆盘电极法、循环伏安法和极谱法研究了添加剂的作用机理，结果表明添加剂Ａ的整平作用符合ＫａｒｄｏｓＯ提出的整平扩散机制。
The process conditions of obtaining good performance Cd-Zn-Zn alloy coating were studied. The results show that tin-zinc-tin-zinc alloy with bright and fine corrosion resistance, low hydrogen embrittlement and comparable welding performance to cadmium can be obtained in the citrate-tartrate mixed system. Alloy on behalf of the cadmium coating. The mechanism of additives was also investigated by the method of rotating disk electrode, cyclic voltammetry and polarography. The results showed that the leveling effect of additive A conformed to the leveling diffusion mechanism proposed by Kardoso.