Does the addition of hexachloroethane (degaser) bring any property change to Aluminum composite material cast?

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Virupaxi Auradi

Addition of Degaser should not lead to property changes.

Addition of grain refiner will introduce internetallic particles to the melt which acts as heterogeneous nucleating sites during solidification and result in decrease in grain size.

Shambhu Nath Ojha

This causes degassing of Al-melt with a consequent minimization of porosity in the casting. In addition the grain refinement effect is also observed.