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Hardness of FRHC-Cu Determined by Statistical Analysis

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  • Additional Information
    • Contributors:
      Universitat de Barcelona; Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials; Universitat Politècnica de Catalunya. CIEFMA - Centre d'Integritat Estructural, Fiabilitat i Micromecànica dels Materials
    • Publication Information:
      Springer Science and Business Media LLC, 2013.
    • Publication Date:
      2013
    • Abstract:
      A statistical indentation method has been employed to study the hardness value of fire-refined high conductivity copper, using nanoindentation technique. The Joslin and Oliver approach was used with the aim to separate the hardness (H) influence of copper matrix, from that of inclusions and grain boundaries. This approach relies on a large array of imprints (around 400 indentations), performed at 150 nm of indentation depth. A statistical study using a cumulative distribution function fit and Gaussian simulated distributions, exhibits that H for each phase can be extracted when the indentation depth is much lower than the size of the secondary phases. It is found that the thermal treatment produces a hardness increase, due to the partly re-dissolution of the inclusions (mainly Pb and Sn) in the matrix.
    • File Description:
      application/pdf
    • ISSN:
      1544-1024
      1059-9495
    • Accession Number:
      10.1007/s11665-013-0770-1
    • Rights:
      Springer TDM
      CC 0
      CC BY NC ND
      URL: http://rightsstatements.org/vocab/InC/1.0/
    • Accession Number:
      edsair.doi.dedup.....d00de12dd8d2c642372db0949279eb9e