采用粉末渗锌技术制备的Zn-Fe合金比电镀法或热浸镀法制备的性能更好,成本更低且无污染,目前对此研究较少.为此在Q235钢表面采用粉末渗锌法制备Zn-Fe合金渗层.用金相显微镜和X射线衍射仪观察渗层组织,测试渗层结构;通过盐雾腐蚀和电化学试验研究了渗层的耐蚀性能.结果表明:Zn-Fe渗层主要由FeZn11和FeZn7组成,渗层较致密,与基体呈良好的冶金结合;Zn-Fe合金渗层具有较低的腐蚀电流密度,较好的耐蚀性能,对钢铁基体具有较好的保护作用.
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