研究了热处理工艺对17-4PH不锈钢抗菌性能的影响.结果表明,冷处理并在482℃时效能有效提高17-4PH不锈钢的抗菌性能和硬度,提高时效温度使17-4PH不锈钢的杀菌率增加,但是其硬度明显降低；时效时间增加,杀菌率提高,但是硬度略有降低.冷处理促进马氏体分解,位错密度增大,从而促进了富Cu相的析出.17-4PH不锈钢最优的抗菌热处理工艺制度为:1040℃固溶处理/0.5 h+液氮冷处理/0.5 h+482℃时效处理/6 h.
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