CaO-Al2O3-Based Slag

Name: CaO-Al2O3-Based Slag
Diagram No.: 1171
Type of diagram: CCT
Chemical composition in weight %: See the table
Group: Slags
Note: Non-isothermal CCT diagram for the calcium-aluminate-based slags containing 2.5, 5 and 7.5 wt pct MgO at a CaO/Al2O3 ratio of 1.0.
The CCT diagrams of the CaO-Al2O3-based slag with 2.5, 5 and 7.5 wt pct MgO and a constant CaO/Al2O3 ratio of 1 are shown in Figure 5 for cooling rates of 25, 50, 100, 400, and 800 K/minutes, initiated from 1843 K (1570 C). The results showed that higher concentrations of MgO increased the crystallization starting temperature when the cooling rates were not more than 100 K/minutes. For cooling rates of 400 K/minutes and above with 5.0 and 7.5 wt pct MgO, increased MgO addition to the slag had relatively little effect, while no crystal phase was observed for 2.5 wt pct MgO.
Reference: Not shown in this demo version.

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