Abnormal Grain Growth Mechanism in the Twin-Roller Cast Al-Fe-Si Alloy in the Annealing Process

<div>Precipitates at the grain boundaries of the abnormal grain. (a) The wall of particles to resist to GB migration. (b, c) GB bulging at the location with partially dissolved precipitates. (d) GB penetrating the location with high gradient of precipitates.</div>

Advances in Materials Science and Engineering

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Figure 5

Figure 5: Abnormal Grain Growth Mechanism in the Twin-Roller Cast Al-Fe-Si Alloy in the Annealing Process 