Abstract

ABSTRACT This study investigated changes in the chemical properties of calcium aluminate glass with the impurity of silicate ions through computable calculation with discrete variation Xα (DV-Xα). The previous study showed that the hydraulic reactivity of calcium aluminate glass decreased with the increase on the added amount of silicate ion to the component of calcium aluminate glass. From the calculation results of DV-Xα, it was known that the bulk bond strength of calcium aluminate glass increased with the substitution of Si for Al in the cluster crystal structure. The bond strength would be closely related with the hydraulic reactivity. Therefore, the increase of bonding strength lowered the hydraulic activity of calcium aluminate glass. These results clarified the decrease of hydraulic reactivity of calcium aluminate glass containing silicate ions.

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