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The effect of heat treatment on hardness and dry wear properties of a semi-solid processed aluminium alloy

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  • Additional Information
    • Contributors:
      Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica; Universitat Politècnica de Catalunya. CDAL - Centre de Disseny d'Aliatges Lleugers i Tractaments de Superfície
    • Publication Information:
      Springer Science and Business Media LLC, 2009.
    • Publication Date:
      2009
    • Abstract:
      Semisolid AlSiMg casting alloys are attractive alternatives for automotive and aeronautical applications. In this work the effects of heat treatments on hardness and tribological properties of A356 aluminium alloy obtained by Sub-Liquidus Casting (SLC) were studied. The optimum heat treatment conditions, in which the material presents the maximum hardening and wear resistance values, were determined. Heat treatment conditions investigated included: A356 SLC as cast, T5 and T6. Furthermore, AC-46500 and A6061/T6 were analyzed for comparison. The tribological properties of the samples were investigated by pin-on-disc tests at 5 N and 0.05 and 0.1 m·s-1 in dry conditions. The samples were studied by SEM-EDX techniques in order to determine the wear mechanisms and the determination of the products produced during the tests. The maximum hardness and the lowest dry wear rate were obtained through T6 thermal treatment condition.
    • File Description:
      application/pdf
    • ISSN:
      1960-6214
      1960-6206
    • Accession Number:
      10.1007/s12289-009-0599-1
    • Rights:
      Springer TDM
    • Accession Number:
      edsair.doi.dedup.....ac93176c06b75f365374880102a63471