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![The Gibbs energy of the reaction between SiO 2 and Mg to form Si-MgO and Mg 2 Si-MgO depends on the Mg available during the reduction reaction, calculated by FactSage 8.1 [32].](publication/378929115/figure/fig4/AS:11431281229081341@1710343010060/The-Gibbs-energy-of-the-reaction-between-SiO-2-and-Mg-to-form-Si-MgO-and-Mg-2-Si-MgO.png)
The Gibbs energy of the reaction between SiO 2 and Mg to form Si-MgO and Mg 2 Si-MgO depends on the Mg available during the reduction reaction, calculated by FactSage 8.1 [32].
Source publication
High-temperature wetting of natural, high-purity quartz (SiO2) and liquid magnesium (Mg) was investigated at temperatures between 973 and 1273 K. Sessile drop experiments using the capillary purification (CP) procedure were carried out under an Ar gas atmosphere (N6.0), eliminating the native oxide layer on the surface of Mg melt. The results showe...
Contexts in source publication
Context 1
... 2 -Mg wetting will depend on Mg availability during the reduction reaction, forming Si-MgO and Mg 2 Si-MgO, as shown in Figure 5. After the wetting test, the solidified Mg drops were found unattached to the substrates at 973, 1073, and 1123 K. ...
Context 2
... the reactive wetting system, the contact angle and spreading rate of a drop depend on the interfacial reaction [18,38]. With the highly negative Gibbs energy of reduction of SiO 2 by Mg, as shown in Figure 5, the contribution from the chemical reaction can significantly improve wettability, as reported by Shi et al. [12]. However, the transport rate of reacting species to or from the reaction interface can also impact the interfacial reaction. ...
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