采用银和铌对316L不锈钢进行改性,分别采用覆膜抗菌试验、电化学试验、显微分析等方法,研究了银、铌对316L的显微组织、抗菌性能、耐蚀性能等的影响.结果表明,铌可以有效细化晶粒,改善银在基体中的分布状况.316L含适量银时具有良好的抗菌性能和耐微生物腐蚀性能,但是过量的银易发生偏聚,降低材料的耐蚀性.当银含量为0.04％～0.06％,铌含量约0.1％(质量分数)时,改性316不锈钢可获得显微组织、耐蚀性能和抗菌性能的优化匹配.
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