Microstructure and Microhardness Evolutions of High Fe Containing Near-Eutectic Al-Si Rapidly Solidified Alloy

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Sample</td><td align="center" rowspan="2">Lattice parameter <i>α</i>-Al (nm)</td><td align="center" rowspan="2">Crystallite size (nm) <i>α</i>-Al </td><td align="center" rowspan="2">Strain. <i>ε</i>%</td><td align="center" colspan="4">Agreement factors</td></tr><tr class="thead"><td align="center"><span style="width: 18.387501px;"><svg height="15.25" id="M76" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 18.387501 15.25" width="18.387501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td><td align="center">GOF</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td align="left">Melt spun</td><td align="center">0.404753</td><td align="center">27</td><td align="center">0.126</td><td align="center">5.7</td><td align="center">7.8</td><td align="center">7.4</td><td align="center">1.1</td></tr><tr><td align="left">Annealed</td><td align="center">0.40501</td><td align="center">29</td><td align="center">0.072</td><td align="center">5.3</td><td align="center">7.1</td><td align="center">6.5</td><td align="center">1.2</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Rietveld refinement results  for Al-11Si-11Fe  melt  spun and annealed (350°C/25 h) ribbons.

Journal of Metallurgy

tab2

Table 2

Table 2: Microstructure and Microhardness Evolutions of High Fe Containing Near-Eutectic Al-Si Rapidly Solidified Alloy 