Published 05/24/2022 at 1016 × 759 in Strength of Salt Core Composed of Alkali Carbonate and Alkali Chloride Mixtures Made by Casting Technique Fig. 5 Strength and phase diagrams15) of NaCl–Na2CO3 and KCl–K2CO3 binary systems. Fig. 5 Strength and phase diagrams15) of NaCl–Na2CO3 and KCl–K2CO3 binary systems.