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  • Bakhit, Babak,1983-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten (författare)

Multifunctional ZrB2-rich Zr1-xCrxBy thin films with enhanced mechanical, oxidation, and corrosion properties

  • Artikel/kapitelEngelska2021

Förlag, utgivningsår, omfång ...

  • Elsevier BV,2021
  • electronicrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-171888
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-171888URI
  • https://doi.org/10.1016/j.vacuum.2020.109990DOI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

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

Anmärkningar

  • Funding agencies: We acknowledge support from the Knut and Alice Wallenberg (KAW) foundation for Project funding (KAW 2015.0043). Financial support from the Swedish Research Council VR Grant 2018–03957 and 642-2013-8020, the VINNOVA Grant 2019–04882, and Carl Tryggers Stiftelse contracts CTS 15:219, CTS 17:166, and CTS 14:431 are also gratefully acknowledged. Furthermore, the authors acknowledge financial support from the Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linköping University (Faculty Grant SFO Mat LiU No. 2009 00971). Supports from the Swedish research council VR-RFI (#2017–00646_9) for the Accelerator based ion-technological center and from the Swedish Foundation for Strategic Research (contract RIF14-0053; for the tandem accelerator laboratory in Uppsala University, and contract RIF14-0074; for the electron microscopy laboratory) are acknowledged.
  • Refractory transition-metal (TM) diborides have high melting points, excellent hardness, and good  chemical  stability.  However, these properties are not sufficient for applications involving extreme  environments that require high mechanical strength as well as oxidation and corrosion resistance. Here, we study the effect of Cr addition on the properties of ZrB2-rich Zr1-xCrxBy thin films grown by hybrid high-power impulse and dc magnetron co-sputtering (Cr-HiPIMS/ZrB2-DCMS) with a 100-V Cr-metal-ion synchronized potential. Cr metal fraction, x = Cr/(Zr+Cr), is increased from 0.23 to 0.44 by decreasing the power Pzrb2 applied to the DCMS ZrB2 target from 4000 to 2000 W, while the average power, pulse width, and frequency applied to the HiPIMS Cr target are maintained constant. In addition, y decreases from 2.18 to 1.11 as a function of Pzrb2, as a result of supplying Cr to the growing film and preferential B resputtering caused by the pulsed Cr-ion flux. ZrB2.18, Zr0.77Cr0.23B1.52, Zr0.71Cr0.29B1.42, and Zr0.68Cr0.32B1.38 2 films have hexagonal AlB2 crystal structure with a columnar nanostructure, while Zr0.64Cr0.36B1.30 and Zr0.56Cr0.44B1.11 are  amorphous. All films show hardness above 30 GPa. Zr0.56Cr0.44B1.11 alloys exhibit much better toughness, wear, oxidation, and corrosion resistance than ZrB2.18. This combination of properties   makes Zr0.56Cr0.44B1.11 ideal candidates for numerous strategic applications.

Ämnesord och genrebeteckningar

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

  • Dorri, Samira,1988-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)samdo98 (författare)
  • Kooijman, AgnieszkaDepartment of Materials Science and Engineering, Delft University of Technology, Delft, the Netherlands (författare)
  • Wu, ZhengtaoSchool of Electromechanical Engineering, Guangdong University of Technology, Guangzhou, China (författare)
  • Lu, Jun,1962-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)junlu07 (författare)
  • Rosén, Johanna,1975-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)johro07 (författare)
  • Mol, Johannes M.C.Department of Materials Science and Engineering, Delft University of Technology, Delft, the Netherlands (författare)
  • Hultman, Lars,Professor,1960-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)larhu75 (författare)
  • Petrov, Ivan,1949-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Materials Research Laboratory and Department of Materials Science, University of Illinois, Urbana, IL, USA; Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan(Swepub:liu)ivape26 (författare)
  • Greene, Joseph E,1944-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Materials Research Laboratory and Department of Materials Science, University of Illinois, Urbana, IL, USA; Department of Materials Science and Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan(Swepub:liu)josgr17 (författare)
  • Greczynski, Grzegorz,1973-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)grzgr49 (författare)
  • Linköpings universitetTunnfilmsfysik (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Vacuum: Elsevier BV1850042-207X1879-2715

Internetlänk

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  • Vacuum (Sök värdpublikationen i LIBRIS)

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