Research Article

Porogenic Behavior of Water in High-Alumina Castable Structures

Table 2

Tested compositions.

Casting and curing methodsRaw materials (vol.%/wt.%)
Water (W)Calcined alumina (CA)Hydratable alumina (HA)Solids load (CA + HA)

Under pressure5.00/1.3485.50/91.719.50/6.9595.00/98.66
Under pressure10.00/2.8081.00/90.369.00/6.8490.00/97.20
Under pressure15.00/4.3776.50/88.908.50/6.7385.00/95.63
Under pressure20.00/6.0872.00/87.318.00/6.6180.00/93.92
Under pressure, static25.00/7.9467.50/85.577.50/6.4875.00/92.06
Under pressure, static30.00/9.9963.00/83.687.00/6.3470.00/90.01
Under pressure, static35.00/12.2358.50/81.596.50/6.1865.00/87.77
Under pressure, static40.00/14.7254.00/79.286.00/6.0060.00/85.28
Static, under rotation45.00/17.4849.50/76.715.50/5.8155.00/82.52
Static, under rotation50.00/20.5645.00/73.845.00/5.5950.00/79.44
Static, under rotation55.00/24.0340.50/70.624.50/5.3545.00/75.97
Static, under rotation60.00/27.9736.00/66.964.00/5.0740.00/72.03
Static, under rotation65.00/32.4731.50/62.783.50/4.7635.00/67.53
Static, under rotation70.00/37.6627.00/57.953.00/4.3930.00/62.34
Static, under rotation75.00/43.7122.50/52.322.50/3.9625.00/56.29
Static, under rotation80.00/50.8718.00/45.672.00/3.4620.00/49.13