Mold Flux Alloy

Name: Mold Flux
Diagram No.: 980
Type of diagram: CCT
Chemical composition in weight %: See the table
Group: Slags
Note: Temperature curves during the observation are shown in Fig. 4 for the flux A. Crystallization temperature revealed in the range of 1073 - 1356 K and it decreased with increase of cooling rate. White and round plots indicate the occasion of the crystallization. As mentioned above, crystallization did not occur in the cases of 100 and 200 K/min, which were shown with broken lines in the figure. In order to refer, another observation was conducted in the condition that the flux A was cooled from 1573 K to 1 73 K at 200 K/min and kept at 1073 K. Then, crystallization occurred during the constant temperature. Connecting the plot of the crystallization temperature in this figure, transformation curve of crystallization arose for the flux A.
The same curves are shown in Fig. 5 for the flux B. Crystallization occurred in all the conditions of cooling rate in the temperature range of 1264 1455 K. Black and square plots in the figure indicate the occasion of the crystallization.
Transformation curves in Figs. 4 and 5 were shown in Fig. 6 in comparison of the flux. The curve for the flux B was upper than that for the flux A, and the difference between them corresponded to that of solidification temperature in viscosity measurement at cooling rate of 2 K/min, mentioned later. Comparing the curves between the fluxes, it can be considered that crystallization temperature increases with basicity.
Reference: Not shown in this demo version.

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