What is the mutual solubility rules for ceramics?

01 January 2020 0 6K Report

There is Hume-Rothery rule for metals, Pauling's rule to find out feasible crystal structure of ceramics, but is there any rule that deals with mutual solubility ceramics? What about complete solid solution criteria for ceramics with similar formula (FeO-MgO, Al2O3-Cr2O3 , TiO2-SiO2 )? what about charge and size effect or electronegativity effect?

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