Mold Flux for Casting High Al Steel

Name: Mold Flux
Diagram No.: 1174
Type of diagram: TTT
Chemical composition in weight %: See the table
Group: Slags
Note: The TTT diagrams of mold fluxes with different Al2O3 contents.
Figure 10 shows the TTT diagrams of the above four series of mold fluxes. In this study, the crystalline fraction of 0.5 was defined as the beginning of crystallization, and crystalline fraction of 0.95 was defined as the end of crystallization. It can be seen from Figure 10 that the TTT curve of mold flux R0.8A7 is the only one with a single C type shape; while the other three mold fluxes show a double C shape. The double C TTT curves indicate that the main precipitated phases in the high-temperature zone and the low-temperature zone are different, while the single C means there only one main phase existed when the mold flux became crystallized. In order to identify the phase compositions of crystals at the different temperature zones of the TTT diagram, the mold fluxes at certain temperatures were analyzed by using XRD, and the cooling curves for the preparation of XRD samples are shown in Figure 10.
Reference: Not shown in this demo version.

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