Solidification Behavior and Microstructure of Al-7Si Alloys with Individual and Combined Additions of Sr and Yb

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Sample</td><td class="align_center"><i>T</i><sub>N</sub></td><td class="align_center"><i>T</i><sub>Min</sub></td><td class="align_center"><i>T</i><sub>G</sub></td><td class="align_center">Δ<i>T</i><sub>R</sub></td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">Unmodified</td><td class="align_center">571</td><td class="align_center">568</td><td class="align_center">568</td><td class="align_center">0</td></tr><tr><td class="align_left">Sr modified</td><td class="align_center">561</td><td class="align_center">558</td><td class="align_center">558</td><td class="align_center">0</td></tr><tr><td class="align_left">Yb modified</td><td class="align_center">558</td><td class="align_center">556</td><td class="align_center">558</td><td class="align_center">2</td></tr><tr><td class="align_left">(Sr + Yb) modified</td><td class="align_center">560</td><td class="align_center">556</td><td class="align_center">558</td><td class="align_center">2</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Nucleation (<i>T</i><sub>N</sub>), minimum (<i>T</i><sub>Min</sub>), and growth temperatures (<i>T</i><sub>G</sub>) and eutectic recalescence for samples with addition of different elements.</div>

Advances in Materials Science and Engineering

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Table 2

Table 2: Solidification Behavior and Microstructure of Al-7Si Alloys with Individual and Combined Additions of Sr and Yb 