The effects of HCl concentration,immersion time and inhibitor on the quality of deposit were investigated.Finally,the optimum electrochemical technique parameter was determined.

• 研究了盐酸浓度、酸浸蚀时间以及缓蚀剂等对镀层质量的影响，确定了铝合金上镀硬铬的最佳工艺条件，得到了外观和结合力均良好的硬铬镀层。