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316L不锈钢无铬钝化工艺研究
TECHNIQUE OF CHROMIUM-FREE PASSIVATION OF 316L STAINLESS STEEL
【摘要】 利用动电位扫描法和化学浸泡法研究了 316L不锈钢在两种无铬钝化工艺条件下所形成的钝化膜的耐点蚀性能。结果表明 ,钝化液组分Wb具有良好的钝化效果
【Abstract】 The passive film was formed by the techniques of chromium free passivation developed by the authors. The pitting corrosion resistance of passive film on stainless steel 316L was studied with the potentiodynamic method and chemical immersion method. The results showed that the pitting potential increased obviously after a chromium free reagent Wb being added into the passivation solution of 35% HNO 3.
【关键词】 316L不锈钢;
无铬钝化工艺;
点蚀电位;
钝化膜;
【Key words】 Stainless steel 316L; Technique of chromium free passivation; Pitting potential; Passive film;
【Key words】 Stainless steel 316L; Technique of chromium free passivation; Pitting potential; Passive film;
【基金】 国家 8 6 3计划新材料领域资助项目 (715 0 0 8 0 0 14 )
- 【文献出处】 腐蚀与防护 ,Corrosion & Protection , 编辑部邮箱 ,2001年12期
- 【分类号】TG178
- 【被引频次】12
- 【下载频次】434