Ceramics-Silikáty 27, (4) 299 - 309 (1983) |
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THE EFFECT OF PRESSURE AND TEMPERATURE ON PHASE STABILITY OF TRICALCIUM SILICATE
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Stracelský Juraj, Hanic František, Kaprálik Ivan,
Kupčík František
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Institute of Inorganic Chemistry, Slovak Academy oj Sciences, Dúbravská cesta 5, 842 36 Bratislava
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Using the condition for an equilibrium of the solid state reaction and by means of Clausius-Clapeyron equation, an evaluation was made of the stability limit of Ca₃SiO₅ in the P-T diagram in the pressure region of up to 0.8 GPa. The differential quotient dT/dP for the reaction Ca₃SiO₅ → Ca₂SiO₄ + CaO has a slope of 550 K/GPa. The metastability region of Ca₃SiO₅ was verified experimentally. |
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