Kinetic modelling of the thermal decomposition of ettringite into metaettringite

Cement and Concrete Research

Volumn 36, Issue 11, 2006, Pages 2054-2060

  Pourchez, J ^a   Valdivieso, F ^a   Grosseau, P ^a   Guyonnet, R ^a   Guilhot, B ^a  

^a ECOLE DES MINES DE SAINT ETIENNE   (France)

Author keywords

Ettringite; Kinetic modelling; Metaettringite; Thermal decomposition

Indexed keywords

COMPUTER SIMULATION; MOLECULAR STRUCTURE; NUCLEATION; PYROLYSIS; REACTION KINETICS; THERMODYNAMIC STABILITY;

ARRHENIUS LAW; ETTRINGITE; KINETIC MODELLING; METAETTRINGITE;

CALCIUM COMPOUNDS;

EID: 33750615115     PISSN: 00088846     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cemconres.2006.06.007     Document Type: Article

References (17)

1. Moore A.E., and Taylor H.F.W. Crystal structure of ettringite. Acta Crystallogr., B 26 (1970) 386-393
2. 2O. J. Chem. Soc., Faraday Trans. 92 12 (1996) 2125-2129
3. Zhou Q., and Glasser F.P. Thermal stability and decomposition mechanisms of ettringite at < 120 °C. Cem. Concr. Res. 31 (2001) 1333-1339
4. Zhou Q., Lachowski E.E., and Glasser F.P. Metaettringitte, a decomposition product of ettringite. Cem. Concr. Res. 34 (2004) 703-710
5. Hartmann M.R., Brady S.K., Berliner R., and Conradi M.S. The evolution of structural changes in ettringite during thermal decomposition. J. Solid State Chem. 179 (2006) 1259-1272
6. Bezjak A., Kurajica S., and Sipusic J. A new approach to solid-state reactions kinetic analysis: the application of assisting functions to basic equations for isothermal conditions. Thermochim. Acta 386 (2002) 81-90
7. Galwey A.K., and Brown N.E. Thermal Decomposition of Ionic Solids (1999), Elsevier
8. 10). Cem. Concr. Res. 28 (1998) 381-390
9. Soustelle M., and Pijolat M. Experimental methods useful in the kinetic modelling of heterogenous reactions. Solid State Ionics 95 (1997) 33-40
10. Soustelle M. Modélisation Macroscopique des Transformations Physico-Chimiques (1990), Ed Masson, Paris
11. Pijolat M., Valdivieso F., and Soustelle M. Experimental test to validate the rate equation "dα/dt = kf(α)" used in the kinetic analysis of solid state reactions. Thermochim. Acta 439 (2005) 86-93
12. 3 powder for its decomposition. J. Eur. Ceram. Soc. 18 (1998) 1319-1324
13. 2 by hydrogen. Solid State Ionics 101-103 (1997) 931-935
14. 2 by hydrogen. Solid State Ionics 141-142 (2001) 109-115
15. Nahdi K., Perrin S., Pijolat M., Rouquerol F., Ariguib N., and Ayadi N. Nucleation and anisotropic growth model for isothermal kaolinite dehydroxylation under controlled water vapour pressure. Phys. Chem. Chem. Phys. 4 (2002) 1972-1977
16. Viricelle J.P., Pijolat M., and Soustelle M. J. Chem. Soc., Faraday Trans. 91 24 (1995) 4437
17. 2O system equilibrium states. Cem. Concr. Res. 24 (1994) 259-266