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题名: Eliminating detrimental effect of cold working on pitting corrosion resistance in high nitrogen austenitic stainless steels
作者: Wang, Qingchuan;  Zhang, Bingchun;  Ren, Yibin;  Yang, Ke
发表日期: 2017-7-15
摘要: The detrimental effect of cold working on pitting corrosion resistance was surprisingly found totally eliminated in high nitrogen stainless steels (HNS) with higher nitrogen content (0.92 wt.%) by electrochemical tests in chloride solution. Inclusions morphology and microstructure of cold-worked HNS were investigated. Then the passive film on HNS was analyzed by secondary ion mass spectroscopy (SIMS). For the first time nitrogen enrichment as a form of short range ordered [CrN] was observed in the chromium oxide layer of passive film on HNS. A possible reaction involving nitrogen enrichment is proposed to elucidate this exceptional behavior of corrosion resistance for HNS.
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Recommended Citation:
Wang, Qingchuan,Zhang, Bingchun,Ren, Yibin,et al. Eliminating Detrimental Effect Of Cold Working On Pitting Corrosion Resistance In High Nitrogen Austenitic Stainless Steels[J]. Corrosion Science,2017,123:351-355.

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