| Effect of Alumina Sol in No-Cement
Refractory Castables |
S. Mukhopadhyay,.S. Mahapatra, P. Mukherjee, T. Dasgupta and S. K. Das
Pages : 63-67
DOI : 10.1080/0371750X.2001.10799968 |
| Abstract |
| This paper deals with the performance of alumina sol, prepared
from a cheaper precursor and used as a bonding agent in nocement
refractory castables fabricated by simple tapping technique.
The physical properties of sol-bonded-castables indicate
a significant improvement at elevated temperatures. The beneficial
role of sol was confirmed by XRD and SEM studies when
compared with similar compositions of castables cast with
cement and water. It was also observed that complete rejection
of cement in sol-bonded cas tables degrades the green strength
of the materials. |
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