采用直流磁控溅射的方法在304不锈钢表面上制备金属钛薄膜,溅射5min后,通过扫描电镜（SEM）观察薄膜厚度为15μm。对比研究了304不锈钢镀膜前和镀膜后在FeCl3溶液中的腐蚀速率,通过显微镜观察两者在腐蚀之后的组织形貌,结果表明,通过在表面制备金属膜的方法（镀膜时间至少5min）可以有效提高304不锈钢在氯离子环境下的耐腐蚀性能。
A Ti thin film on the surface of 304 stainless steel was prepared by DC magnetron sputtering.The film thickness could have 15 μm after sputtering for 5 min.The corrosion rate in FeCl3 environment was compared and studied between 304 stainless steel before coating and after coating.The microstructure morphology after corrosion was observed by microscopic examination.The corrosion resistance of 304 stainless steel in chloride environment was effectively improved by the Ti thin film on the surface of 304 stainless steel prepared by DC magnetron sputtering for at least 5 min.
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