High-Temperature Steam Oxidation of Accident-Tolerant Cr/Mo-Coated Zr Alloy at 1200–1400 °C / M. S. Syrtanov, E. B. Kashkarov, A. V. Abdulmenova [et al.]

Set Level: CoatingsCoauthor: Syrtanov, M. S., physicist, Associate Professor, Researcher of Tomsk Polytechnic University, Candidate of Technical Sciences, 1990-, Maksim Sergeevich;Kashkarov, E. B., Physicist, Associate Professor, Researcher of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences, 1991-, Egor Borisovich;Abdulmenova, A. V., physicist, engineer at Tomsk Polytechnic University, 2001-, Anastasiya Vladimirovna;Gusev, K. S., physicist, Technician of Tomsk Polytechnic University, 2001-, Kirill Sergeevich;Sidelev, D. V., physicist, engineer of Tomsk Polytechnic University, 1991-, Dmitry VladimirovichCorporate Author (Secondary): Национальный исследовательский Томский политехнический университет, Инженерная школа ядерных технологий, Отделение экспериментальной физики;Национальный исследовательский Томский политехнический университет, Инженерная школа ядерных технологий, Научно-образовательный центр Б. П. ВейнбергаLanguage: английский.Country: Switzerland.Abstract: The oxidation resistance under LOCA conditions of bilayer Cr/Mo coating deposited on Zr-1Nb zirconium alloy was investigated in this paper. The bilayer Cr (8 ?m)/Mo (3 ?m) coatings were deposited by magnetron sputtering. Then, oxidation resistance under high-temperature oxidation at 1200–1400 °C in a water steam was studied. The use of a Mo sublayer resulted in limiting Cr-Zr interdiffusion under high-temperature oxidation. It was shown that the Mo barrier sublayer (~3 ?m) can provide the protective behavior of the Cr/Mo-coated Zr at 1330 °C in a water steam for at least 720 s. The weight gain of the bilayer Cr/Mo samples was comparable with the monolayer Cr samples after oxidation at 1400 °C. In addition, the analysis of the Cr/Mo-coated Zr alloy oxidation behavior at 1400 °C was carried out..Bibliography: [References: 49 tit.].Subject: электронный ресурс | труды учёных ТПУ | high-temperature oxidation | zirconium alloys | molybdenum | accident tolerant fuel (ATF) | magnetron sputtering | Cr-Zr interdiffusion Online Resources:Click here to access online | Click here to access online
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[References: 49 tit.]

The oxidation resistance under LOCA conditions of bilayer Cr/Mo coating deposited on Zr-1Nb zirconium alloy was investigated in this paper. The bilayer Cr (8 ?m)/Mo (3 ?m) coatings were deposited by magnetron sputtering. Then, oxidation resistance under high-temperature oxidation at 1200–1400 °C in a water steam was studied. The use of a Mo sublayer resulted in limiting Cr-Zr interdiffusion under high-temperature oxidation. It was shown that the Mo barrier sublayer (~3 ?m) can provide the protective behavior of the Cr/Mo-coated Zr at 1330 °C in a water steam for at least 720 s. The weight gain of the bilayer Cr/Mo samples was comparable with the monolayer Cr samples after oxidation at 1400 °C. In addition, the analysis of the Cr/Mo-coated Zr alloy oxidation behavior at 1400 °C was carried out.

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