Published 05/24/2022 at 1016 × 798 in Strength of Salt Core Composed of Alkali Carbonate and Alkali Chloride Mixtures Made by Casting Technique Fig. 4 Strength and phase diagrams15) of KCl–NaCl and K2CO3–Na2CO3 binary systems. Fig. 4 Strength and phase diagrams15) of KCl–NaCl and K2CO3–Na2CO3 binary systems.