Effect of Solidification Rate and Rare Earth Metal Addition on the Microstructural Characteristics and Porosity Formation in A356 Alloy

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009a.svgz" name="5086418.fig.009a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Nonmodified alloy, DBL alloy</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009b.svgz" name="5086418.fig.009b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>After Sr addition, DBLS alloy</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009c.svgz" name="5086418.fig.009c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>D7L alloy</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009d.svgz" name="5086418.fig.009d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>D9L alloy</td></tr><tr class="fig-image" id="e"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009e.svgz" name="5086418.fig.009e" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(e) </b>D7LS alloy</td></tr><tr class="fig-image" id="f"><td><object data="https://static.hindawi.com/articles/amse/volume-2017/5086418/figures/5086418.fig.009f.svgz" name="5086418.fig.009f" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(f) </b>D9LS alloy</td></tr></table>

<div>Examples of the eutectic Si particle size and distribution after different melt treatments/additions in A356 alloy samples obtained from the variable angle mold (large) castings.</div>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Effect of Solidification Rate and Rare Earth Metal Addition on the Microstructural Characteristics and Porosity Formation in A356 Alloy 