Study of the sintering mechanism of kaolinite at 900 and 1050 degrees C; influence of mineralizers
(1977) Journal of Materials Science — Vol. 12, n° 10, p. 2056-2064 (1977)
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- Abstract
- It is found that the isothermal shrinkage versus time curve of kaolinite at both temperatures was well described by the following equation: lambda =/b t//( alpha + beta /b t/) where lambda is the linear shrinkage (relative to the initial length of the bar), /b t / the time, and alpha and beta two constants. The presence of various mineralizers at different concentrations did not affect the basic shape of this curve at either 900 or 1050 degrees C, but affected the values of parameters alpha and beta . The kaolinite sintering mechanism is of the viscous-flow type proposed by Frenkel (1945) involving an amorphous phase, the viscosity of which increases with time due to its progressive recrystallization.
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Lemaître, J.-P., & Delmon, B. (1977). Study of the sintering mechanism of kaolinite at 900 and 1050 degrees C; influence of mineralizers. Journal of Materials Science, 12(10), 2056-2064. https://hdl.handle.net/2078.5/149170 (Original work published 1977)