Estimation of porosity and shrinkage in a cast eutectic Al–Si alloy

S. Samavedam, S. B. Sakri, D. Hanumantha Rao, S. Sundarrajan
  • Canadian Metallurgical Quarterly, December 2013, Taylor & Francis
  • DOI: 10.1179/1879139513y.0000000097

shirnkage estimation in castings

What is it about?

The volume deficit /shrinkage of a given casting is the combination of macro cavities, internal porosity, surface sinks and volumetric contraction. These defects are measured using mathematical formulae. Estimation of internal closed porosity has been addressed through X-ray computer tomography.

Why is it important?

Estimation of internal porosity of a casting is done using X- computer tomography (XCT), Non destructive evaluation tool.


Dr. Santhi Samavedam
MGIT, Hyderabad

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