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Anisotropic Responses of Mechanical and Thermal Processed Cast Al-Si-Mg-Cu Alloy

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Abstract

The effects of ambient directional rolling and heat treatments on ultimate tensile strength (UTS), hardness (HD), percent elongation (PE), and impact energy (IE) on Al-Si-Mg-Cu alloy casting with reference to inclination to rolling direction are discussed in this article. The results show that rolled and quenched (CQ) sample possess superior UTS and HD to as-cast and those of rolled and aged samples (CA). Improved IE resistance with ductility is shown by both CQ and CA samples. However, these mechanical properties are enhanced as changes in the test sample direction moved away from rolling direction for all heat-treated samples. The CQ samples displayed highest tensile strength (108 MPa) and PE (19.8%) in the 90° direction.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, University of Lagos, Lagos, Nigeria

    S. O. Adeosun & O. K. Onoyemi

  2. Department of Materials and Production Engineering, Ambrose Alli University, Ekpoma, Nigeria

    E. I. Akpan

  3. Department of Mechanical and Biomedical Engineering, Bells University of Technology, Ota, Nigeria

    S. A. Balogun

Authors
  1. S. O. Adeosun
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  2. E. I. Akpan
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  3. S. A. Balogun
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  4. O. K. Onoyemi
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Correspondence to E. I. Akpan.

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Adeosun, S.O., Akpan, E.I., Balogun, S.A. et al. Anisotropic Responses of Mechanical and Thermal Processed Cast Al-Si-Mg-Cu Alloy. JOM 67, 916–921 (2015). https://doi.org/10.1007/s11837-015-1302-2

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  • DOI: https://doi.org/10.1007/s11837-015-1302-2

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