Ca2Mg2Al28O46 (C2M2A14) refractory has a superior high-temperature performance for high-temperature kilns. In this paper, a ternary compounds-C2M2A14 was synthesized via high-temperature solid-state reaction sintering. Effects of firing temperature and Fe2O3 addition on the phase composition, fabric and densification evolution of the specimens were investigated. The results show that the C2M2A14 is generated by the reaction of CaAl12O19 (CA6) with spinel at 1 650 ℃, and is produced in large quantities at 1 750 ℃. The densification evolution is accelerated with the transformation from hexagonal lamellar CA6 to polyhedron C2M2A14 and the appearance of eutectic liquid. The hexagonal plate of (1,1,15) preferred orientation is changed to the rhombohedral of (119) preferred orientation after adding Fe2O3, and the densification evolution is promoted, and more dense synthetic products can be obtained at the same firing temperature due to the solid solution strengthening of Fe ions. The apparent porosity, water absorption, and bulk density of C2M2A14 (1% Fe2O3) specimen fired at 1 780 ℃ for 3 h are 12.5%, 3.9%, and 3.20 g瘙
簚cm-3, respectively. A high-temperature refractory is obtained.