Research Article
A Review Study on the Main Sources of Porosity in Al-Si Cast Alloys
Figure 10
Formation of shrinkage cavities in Sr-modified A356 alloy: (a) tensile test bar (H2 = ∼0.4 ml/100 g Al), (b) fatigue test bar (H2 = 0.4 ml/100 g Al), (c) sand casting of non-modified A356 alloy (H2 < 0.1 ml/100 g Al), average dendrite arm spacing is ∼120 μm.
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