Nucleation

Nucleation

Slévárny Třinec, a.s.

This artistic snapshot captures a foundryman at the Grey Cast Iron Foundry II (manual moulding plant) during the nucleation of the melt. Nucleation is a process in which elements – ‘inoculants’ of suitable chemical composition are added to the melt (prior to casting) to increase the number of crystallographic nuclei. These additives are typically fine-grained. The higher number of nuclei results in a finer structure. Nucleation thus improves mechanical properties of the final material, such as strength. It also reduces porosity, increases tightness and decreases the likelihood of cracks. The foundry industry in Třinec has had a renowned tradition since 1842.

Photo: Štefan Špic

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