以CuO+NH4Cl为渗剂对AISI304不锈钢表面进行化学渗铜处理,获得了具有优良抗菌性能的渗铜层.用扫描电镜及小掠射X射线衍射仪分析了渗层深度、微观组织及相组成.试验结果表明,当渗铜处理温度大于900℃后,渗铜层深度及渗层中富铜相Cu9.9Fe0.1及Cu3.8的生成量快速增加.渗层中富铜相生成量越多,不锈钢的抗菌效果越佳,尤其是金黄色葡萄球菌.AISI304不锈钢经950℃保温4h渗铜处理后得到了较深的渗铜层,铜以富铜相形式均匀分布于渗层,具有优良的抗大肠杆菌和金黄色葡萄球菌的效果.
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