【摘要】 采用正交试验法优选磷化液的添加剂，得到了耐蚀性较好的锌钙系中温磷化配方。研究了游离酸度、总酸度、磷化时间、磷化温度对膜耐蚀性的影响，并总结了该配方的最佳工艺条件更多还原

【Abstract】 Abstract An optimization of additives for mid temperature phosphating was made through orthogonal methodology. The effects of technological parameters were studied and discussed.更多还原