| Effect of Heat on the Clays of Indian Origin |
H. ROY
Pages :47-51
DOI : 10.1080/0371750X.1988.10822885 |
| Abstract |
| The phase changes of some Indian clays at temperatures above 900°C
were investigated. It was observed that the phase assemblage depended
on the type of clay structure and iron that substituted cations in
the structure. Lattice iron played a dominant part in the growth of
crystalline phases during the thermal reactions. Further, cx-Fe20 3
formed from associated iron minerals was much less reactive than
that set free due to break-down of the structure. The reaction temperature
was diminished with the fineness of the clay particles. |
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