What is Eutectic modification?

A treatment that adds small amounts of Sr or Na to Al-Si alloys to change the eutectic Si from coarse plates to fine fibers. It raises elongation and toughness.

Japanese name: 改良処理

Field: Solidification and cast structures

Related terms

Chvorinov's rule Constitutional supercooling Dendrite Dendrite arm spacing Equilibrium partition coefficient Macrosegregation Scheil equation

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