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Sökning: onr:"swepub:oai:DiVA.org:liu-175680" > Zr2Al3C4 Coatings o...

  • Wenhao, YeTianjin Univ, Peoples R China; Chinese Acad Sci, Peoples R China (författare)

Zr2Al3C4 Coatings on Zirconium-alloy Substrates with Enhanced Adhesion and Diffusion Barriers by Al/Mo-C Interlayers

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • SCIENCE PRESS,2021
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-175680
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-175680URI
  • https://doi.org/10.15541/jim20200286DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

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Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Funding Agencies|National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51873146]; Ningbo Municipal Natural Science Foundation [2018A610005]; Major Project of the Ministry of Science and Technology of China [2015ZX06004-001]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009 00971]
  • Zircaloy coating is one of the crucial technical ways to improve the accident tolerance of nuclear fuel cladding, which enables the zirconium-water reaction problems to be solved. Zr2Al3C4 coating is one type of candidate solutions to improve the high-temperature oxidation resistance of zirconium claddings. However, little study has been performed on the synthesis of Zr2Al3C4 coatings on zirconium alloy substrates due to the inter-diffusion, as well as the difference of the thermal expansion coefficients between the Zr2Al3C4 coating and the substrates. In this study, Zr2Al3C4 coatings were prepared through room-temperature magnetron sputtering and post annealing on zirconium alloy (ZIRLO) substrates with magnetron-sputtered Al/Mo-C interlayers. The effects of Al/Mo-C interlayers on phases and microstructures of Zr-Al-C coatings after annealing were studied by different methods. It is found that the coatings without interlayer are broken and no Zr2Al3C4 phase is formed due to significant interdiffusion between the Zr-Al-C coating and the substrate during annealing at 800 degrees C for 3 h. The Al/Mo-C interlayers prevented elemental diffusion between Zr-Al-C coatings and substrates during the post-annealing process. The Al/Mo-C interlayers act as diffusion barriers and greatly reduce the stoichiometric deviations from Zr2Al3C4 phase, which facilitates the formation of the Zr2Al3C4 phase in the final coating. Moreover, this diffusion-barrier layers contribute to eliminating cracks induced by the difference of the thermal expansion coefficients between the Zr2Al3C4 coatings and substrates. At the same time, the adhesions between Zr-Al-C coatings with Al/Mo-C interlayers and substrates were improved after annealing, with their strength exceeding 30 N.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Qiang, WeiTianjin Univ, Peoples R China; Hebei Univ Technol, Peoples R China (författare)
  • Jiamin, LiangTianjin Univ, Peoples R China; Chinese Acad Sci, Peoples R China (författare)
  • Zhou, JieLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Chinese Acad Sci, Peoples R China(Swepub:liu)jiezh21 (författare)
  • Fanping, MengChinese Acad Sci, Peoples R China (författare)
  • Eklund, PerLinköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)perek02 (författare)
  • Qing, HuangChinese Acad Sci, Peoples R China (författare)
  • Tianjin Univ, Peoples R China; Chinese Acad Sci, Peoples R ChinaTianjin Univ, Peoples R China; Hebei Univ Technol, Peoples R China (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Journal of Inorganic Materials: SCIENCE PRESS36:5, s. 541-5461000-324X

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