Effect of pressure on the crystal structure of ettringite

S. M. Clark*, B. Colas, M. Kunz, S. Speziale, P. J.M. Monteiro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Citations (Scopus)


X-ray diffraction and infrared data have been collected from a sample of ettringite from ambient pressure to 6.4 GPa. The sample was found to reversibly transform to an amorphous phase at 3 GPa. The isothermal bulk modulus of ettringite was found to be 27(7) GPa and the incompressibilities of the lattice parameters were found to be 71(30) GPa along a and 108(36) GPa along c.

Original languageEnglish
Pages (from-to)19-26
Number of pages8
JournalCement and Concrete Research
Issue number1
Publication statusPublished - Jan 2008
Externally publishedYes


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