Enthalpy of formation of ye’elimite and ternesite

Solon Skalamprinos, Isabel Galan, Theodore Hanein, Fredrik P. Glasser

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Calcium sulfoaluminate clinkers containing
ye’elimite (Ca4Al6O12(SO4)) and ternesite (Ca5(SiO4)2
SO4) are being widely investigated as components of calcium
sulfoaluminate cement clinkers. These may become
low energy replacements for Portland cement. Conditional
thermodynamic data for ye’elimite and ternesite (enthalpy
of formation) have been determined experimentally using a
combination of techniques: isothermal conduction
calorimetry, X-ray powder diffraction and thermogravimetric
analysis. The enthalpies of formation of ye’elimite
and ternesite at 25 C were determined to be - 8523 and
- 5993 kJ mol-1, respectively.
Original languageEnglish
JournalJournal of thermal analysis and calorimetry
Volume131
Issue number3
Publication statusPublished - 2018

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Portland cement
cements
X ray powder diffraction
Enthalpy
Cements
enthalpy
calcium
diffraction
x rays
calcium sulfoaluminate
energy

Keywords

  • cement

Cite this

Enthalpy of formation of ye’elimite and ternesite. / Skalamprinos, Solon; Galan, Isabel; Hanein, Theodore; Glasser, Fredrik P.

In: Journal of thermal analysis and calorimetry, Vol. 131, No. 3, 2018.

Research output: Contribution to journalArticleResearchpeer-review

Skalamprinos, Solon ; Galan, Isabel ; Hanein, Theodore ; Glasser, Fredrik P. / Enthalpy of formation of ye’elimite and ternesite. In: Journal of thermal analysis and calorimetry. 2018 ; Vol. 131, No. 3.
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AU - Glasser, Fredrik P.

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AB - Calcium sulfoaluminate clinkers containingye’elimite (Ca4Al6O12(SO4)) and ternesite (Ca5(SiO4)2SO4) are being widely investigated as components of calciumsulfoaluminate cement clinkers. These may becomelow energy replacements for Portland cement. Conditionalthermodynamic data for ye’elimite and ternesite (enthalpyof formation) have been determined experimentally using acombination of techniques: isothermal conductioncalorimetry, X-ray powder diffraction and thermogravimetricanalysis. The enthalpies of formation of ye’elimiteand ternesite at 25 C were determined to be - 8523 and- 5993 kJ mol-1, respectively.

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