Quantification of volume deficit of rectangle shaped cast aluminium alloys | Zendy

S. Santhi | Zendy; Dharwada Hanumantha Rao | Zendy; S. Sundarrajan | Zendy

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Quantification of volume deficit of rectangle shaped cast aluminium alloys

Author(s) -

S. Santhi,

Dharwada Hanumantha Rao,

S. Sundarrajan

Publication year - 2013

Publication title -

journal of materials research and technology

Language(s) - English

Resource type - Journals

eISSN - 2214-0697

pISSN - 2238-7854

DOI - 10.1016/j.jmrt.2013.03.008

Subject(s) - materials science , volume (thermodynamics) , aluminium , porosity , casting , rectangle , alloy , metallurgy , aluminium alloy , composite material , geometry , mathematics , thermodynamics , physics

Volume deficit of rectangular shape US 413 and US A356 cast aluminium alloy has been estimated in the present study. The decrease in specific volume directs to a volume deficit in castings and it has been shown as a defect. The volume deficit can be classified as macro cavities, internal porosity, surface sinking and volumetric contraction and measured using mathematical formulae; the actual volume deficit of the given casting was obtained by adding all the defects. Quantification of internal closed porosity has been addressed through X-ray computer tomography. The information regarding the volume deficit and its distribution is critical in minimizing casting defects

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