Based on the alloying mechanism of galvannealed steel sheets,the galvanized substrates,elements in zinc both,phases of the coating,alloying temperature and time on the powdering-resistence of the coating are reviewed.%从热镀锌板镀层的合金化机理着手,综述了镀锌基板、锌液成分、镀层结构、合金化温度和时间等方面对合金化热镀锌板镀层的抗粉化性能的影响。
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