| Hydraulicity and High Temperature Strength Retaining
Capacities of Calcium Dialuminate in Relation
to Refractory Aggregates |
SWAPAN KUMAR DAs* AND P. K. DAs PoooAR
Pages : 150-153
DOI : 10.1080/0371750X.1993.10804592 |
| Abstract |
| Some hydraulic properties of synthetically prepared calcium
aluminate (CA2) have been studied. Results show that strength
development is dependent on curing temperature, time and nature
of aggregate. CA2 based refractory castables heated at different
temperatures have shown better strength in case of calcined
bauxite than calcined kyanite and fireclay refractory aggregate.
XRD technique has been applied to identify the phases
formed in the prepared CA2 and also in castables heat treated at
1500°C. The changes in microstructure of hydrated and heat
treated CAz have also been studied using SEM. |
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