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对汽车用基板含微Ｔｉ的热浸镀锌板进行合金化处理，用光学显微镜和扫描电镜观察了合金化镀层的组织形貌，并用Ｘ射线衍射方法和电子探针分析了合金层的相组成。研究表明，合金层的组织结构与合金化温度有关，并提出了合金化过程中的三种相变模式。
The microstructure of the alloying coating was observed by optical microscope and scanning electron microscope. The phase composition of the alloy layer was analyzed by X-ray diffraction and electron probe. . The results show that the microstructure of the alloy layer is related to the alloying temperature and the three phase transition modes in the alloying process are proposed.