The passivating process and formulation of bath solution for zinc hot dipped coating with higher alloy content were investigated and discussed.

• 研究了合金含量较高的热浸镀锌层的钝化工艺及配方，探讨了钝化液组分对钝化膜性能的影响及钝化原理，检测了所研制钝化膜的性能。