Manufacturing Technology 2020, 20(5):632-638

Usage of a non-destructive testing technology for assessment of porosity in aluminium casts alloys

Lenka Kuchariková1, Eva Tillová1, Michaela Kritikos2, Milan Uhríčik1, Ivana ©vecová1
1 Faculty of Mechanical Engineering, University of ®ilina. Univerzitná 8215/1, 010 26 ®ilina. Slovak Republic
2 Materials Fabrications Laboratory Advanced Technologies Research Institute, Faculty of Materials Science and Technology in Trnava, Slovak University of Technology in Bratislava. Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic

The assessment of porosity in aluminium casting is the main object to reach the required properties. The determination of amount, size, 3D morphology of casting defect by using a non-destructive (ND) meth-od, especially the computed tomography (CT), is important for assessment casting with complex internal areas that could not be inspected by conventional measurements without failure of the final products. The aim of this study is assessment of bars casted by gravity die casting in to the sand moulds with using the computed tomography. The size, amount and volume of casting defect were assessment by equipment Zeiss Metrotom and software Metrotom OS and VG studio MAX. The results show the influence of the shape of the moulds on the quality of the bars and thus the size, amount and volume of casting defects.

Keywords: X-ray computed tomography, non-destructive testing, porosity, metrology, secondary aluminium alloys,
Grants and funding:

The grant projects No 016®U-4/2020, No 1/0398/19, No 012®U-4/2019.

Received: August 27, 2020; Revised: October 27, 2020; Accepted: November 2, 2020; Prepublished online: November 23, 2020; Published: December 14, 2020  Show citation

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Kuchariková L, Tillová E, Kritikos M, Uhríčik M, ©vecová I. Usage of a non-destructive testing technology for assessment of porosity in aluminium casts alloys. Manufacturing Technology. 2020;20(5):632-638.
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