Corundum Molds for Investment Casting from Refractory Alloys and Metals

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left">Property</td><td align="center">The 1st month</td><td align="center">The 18th month</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">Relative viscosity of suspension when applied in 1 and 2 layers, sec.</td><td align="center">40</td><td align="center">42</td></tr><tr><td align="left">Relative viscosity of suspension when applied in 3–7 layers, sec</td><td align="center">28</td><td align="center">28</td></tr><tr><td align="left">Bending strength of noncalcined shell molds, MPa</td><td align="center">4.2–4.8</td><td align="center">4.4–5.1</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

ALUMOX-based ceramic suspension bonding properties stability.

Advances in Materials Science and Engineering

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Table 3

Table 3: Corundum Molds for Investment Casting from Refractory Alloys and Metals 