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  • Folkenant, MatildaUppsala universitet,Oorganisk kemi,Uppsala University, Uppsala, Sweden (author)

Structure and properties of Cr–C/Ag films deposited by magnetron sputtering

  • Article/chapterEnglish2015

Publisher, publication year, extent ...

  • Elsevier,2015
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-169093
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-169093URI
  • https://doi.org/10.1016/j.surfcoat.2015.09.054DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-123411URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-247276URI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Cr–C/Ag thin films with 0–14 at.% Ag have been deposited by magnetron sputtering from elemental targets. The samples were analyzed by X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM) to study their structure and chemical bonding. A complex nanocomposite structure consisting of three phases; nanocrystalline Ag, amorphous CrCx and amorphous carbon is reported. The carbon content in the amorphous carbide phase was determined to be 32–33 at.% C, independent of Ag content. Furthermore, SEM and XPS results showed higher amounts of Ag on the surface compared to the bulk. The hardness and Young's modulus were reduced from 12 to 8 GPa and from 270 to 170 GPa, respectively, with increasing Ag content. The contact resistance was found to decrease with Ag addition, with the most Ag rich sample approaching the values of an Ag reference sample. Initial tribological tests gave friction coefficients in the range of 0.3 to 0.5, with no clear trends. Annealing tests show that the material is stable after annealing at 500 °C for 1 h, but not after annealing at 800 °C for 1 h. In combination, these results suggest that sputtered Cr–C/Ag films could be potentially applicable for electric contact applications.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Nygren, KristianUppsala universitet,Oorganisk kemi,Uppsala University, Uppsala, Sweden; Impact Coatings AB, Linköping, Sweden(Swepub:uu)kriny267 (author)
  • Malinovskis, PauliusUppsala universitet,Oorganisk kemi,Uppsala University, Uppsala, Sweden(Swepub:uu)pauma842 (author)
  • Palisaitis, Justinas,1983-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Tekniska högskolan(Swepub:liu)juspa01 (author)
  • Persson, Per O. Å.,1971-Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten(Swepub:liu)perpe25 (author)
  • Lewin, Erik,1979-Uppsala universitet,Oorganisk kemi,Uppsala University, Uppsala, Sweden(Swepub:uu)leeri169 (author)
  • Jansson, UlfUppsala universitet,Oorganisk kemi,Uppsala University, Uppsala, Sweden(Swepub:uu)uja03434 (author)
  • Uppsala universitetOorganisk kemi (creator_code:org_t)

Related titles

  • In:Surface & Coatings Technology: Elsevier281, s. 184-1920257-89721879-3347

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