Investigation of the system CaO-MgO-V sub / 2/ O sub / 5/ : I, Phase equilibria

The ternary subsolidus phase equilibria were determined for the system CaO-MgO-V sub / 2/ O sub / 5/ . Limits of crystalline solubility were determined along the meta- and orthovanadate joins. The metavanadate join was characterized as two large solution regions with the end-members as host structures separated by a small two-phase region and the orthovanadate join as a small solution region in the center with the defect garnet structure. Eighteen compatibility triangles were found to make up the proposed subsolidus equilibrium diagram.