Effect of heat treatment on some mechanical properties of 7075 aluminium alloy

This paper reports the effects of annealing and age hardening heat treatments on the microstructural morphology and mechanical properties of 7075 Al alloy. The material was cast in the form of round cylindrical rods inside green sand mould from where some samples were rapidly cooled by early knockout and others gradually cooled to room temperature. From the samples that were gradually cooled some were annealed while others were age hardened. Both the as-cast in each category and heat treated samples were subjected to some mechanical tests and the morphology of the resulting microstructures were characterised by optical microscopy. From the results obtained there is formation of microsegregations of MgZn

• Publication year

  2012

• Venue

  Materials Research-ibero-american Journal of Materials

• Publication date

  Unknown publication date

• Fields of study

  Materials Science, Engineering

• Identifiers
  DOI 10.1590/S1516-14392012005000167
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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