{"title":"Corrosion Resistance of Aluminized Diffusion coating for Fe-25Cr-20Ni steel","authors":"Min Jung Kim, D. Lee","doi":"10.17706/ijmse.2020.8.1.15-19","DOIUrl":null,"url":null,"abstract":"High-temperature corrosion resistance and characteristics of Fe-25Cr-20Ni steel was studied at 800 oC in air and (N2/H2O/H2S)-mixed gas condition up to 100 hours. The weight gain of each test coupon after the oxidation and (N2/H2O/H2S)-mixed gas corrosion test was measured using a micro-balance. The corroded test coupons were characterized by a SEM, an EDS, an XRD with Cu-Kα radiation, and an EPMA. As a result of the experiments, aluminized diffusion coating was formed the FeAl2 intermetallic phases. Thus aluminized diffusion coated Fe-25Cr-20Ni steel has reasonable corrosion resistance, because it can form a protective alumina scale, such as α-Al2O3 layer.","PeriodicalId":16171,"journal":{"name":"Journal of materials science & engineering","volume":"33 1","pages":"15-19"},"PeriodicalIF":0.0000,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of materials science & engineering","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17706/ijmse.2020.8.1.15-19","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
High-temperature corrosion resistance and characteristics of Fe-25Cr-20Ni steel was studied at 800 oC in air and (N2/H2O/H2S)-mixed gas condition up to 100 hours. The weight gain of each test coupon after the oxidation and (N2/H2O/H2S)-mixed gas corrosion test was measured using a micro-balance. The corroded test coupons were characterized by a SEM, an EDS, an XRD with Cu-Kα radiation, and an EPMA. As a result of the experiments, aluminized diffusion coating was formed the FeAl2 intermetallic phases. Thus aluminized diffusion coated Fe-25Cr-20Ni steel has reasonable corrosion resistance, because it can form a protective alumina scale, such as α-Al2O3 layer.
研究了Fe-25Cr-20Ni钢在800℃空气和(N2/H2O/H2S)混合气体条件下长达100小时的耐高温腐蚀性能和性能。采用微天平测量氧化和(N2/H2O/H2S)混合气体腐蚀试验后各试样的增重。用SEM、EDS、cu - k - α辐射XRD和EPMA对腐蚀试样进行了表征。实验结果表明，渗铝扩散涂层形成了FeAl2金属间相。因此，渗铝扩散涂层Fe-25Cr-20Ni钢具有合理的耐腐蚀性，因为它可以形成一层保护性的氧化铝垢，如α-Al2O3层。
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
