A comparative study on high-temperature air oxidation of Cr-coated E110 zirconium alloy deposited by magnetron sputtering and electroplating / D. V. Sidelev, C. Poltronieri, M. Bestetti [et al.]
Уровень набора: Surface and Coatings TechnologyЯзык: английский.Резюме или реферат: Chromium coatings were deposited either by magnetron sputtering and electroplating on E110 zirconium alloy. The as-deposited Cr coatings showed dense microstructure, but different mechanical properties and adhesion behavior depending on the deposition technology. High-temperature oxidation was performed in air at 1100 °C for 40 min. The magnetron-deposited coatings had a stable oxidation behavior which was improved by increasing coating thickness. Surface activation of E110 alloy prior to Cr electroplating resulted in formation of the interlayer with a thickness of 7-12 [mu]m between the coating and the alloy containing hydride and fluoride phases. It was shown that cracks and defects in this interlayer of the electroplated Cr coatings affected the coating adhesion and resulted in lower oxidation resistance compared to the magnetron-deposited coatings..Примечания о наличии в документе библиографии/указателя: [References: 59 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | high-temperature oxidation | chromium coatings | zirconium alloys | magnetron sputtering | electroplating | высокотемпературное окисление | хромовые покрытия | циркониевые сплавы | магнетронное напыление | гальванические покрытия | трещины | дефекты Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 59 tit.]
Chromium coatings were deposited either by magnetron sputtering and electroplating on E110 zirconium alloy. The as-deposited Cr coatings showed dense microstructure, but different mechanical properties and adhesion behavior depending on the deposition technology. High-temperature oxidation was performed in air at 1100 °C for 40 min. The magnetron-deposited coatings had a stable oxidation behavior which was improved by increasing coating thickness. Surface activation of E110 alloy prior to Cr electroplating resulted in formation of the interlayer with a thickness of 7-12 [mu]m between the coating and the alloy containing hydride and fluoride phases. It was shown that cracks and defects in this interlayer of the electroplated Cr coatings affected the coating adhesion and resulted in lower oxidation resistance compared to the magnetron-deposited coatings.
Российский научный фонд 19-79-10116
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