Etringite phase stabilization

Abstract

For the first time, sequence of the secondary ettringite formation process and the mechanism of influence on the structure and properties of the hardened composition were established. Theoretical generalization of the ettringite phase stabilization, which determines formation of the structure and physical and mechanical properties, as well as their relationship with composition of the initial materials and the technological process of obtaining products, has gained further development. The optimal content of calcium sulfate (within 30-40% of the composition mass) (which has a positive effect on the amount of ettringite formation) has been theoretically determined and experimentally confirmed.