Nodular corrosion of zirconium alloys in gaseous environment containing different contaminants

Sai Karthik Nouduru,Kiran K. Mandapaka,S. Roychowdhury,Saradhi Gumma,Rishi Sharma, Rajesh Verma,Vivekanand Kain

Journal of Nuclear Materials（2021）

引用 7|浏览8

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摘要

•Nodules formed on Zr-2.5Nb and Zr-2.5Nb-0.5Cu in CO2+2%O2 mixture with contaminants•Ethylene present in the gas mixture led to nodular corrosion only with radiation•Presence of HNO3, Cl2, HCOOH and cold moisture led to nodules without radiation•The severity and extent of nodular corrosion varied among contaminants•Nodular corrosion with all contaminants explained by the global mechanism in gas

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关键词

Zr-2.5Nb,CO2,Gaseous oxidation,Contaminant,Localized film damage,Nodular corrosion

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