X-ray photoelectron spectroscopy of the cement clinker phases tricalcium silicate and ...


XPS was used to investigate both tricalcium silicate (Ca3SiO5, C3S) and beta-dicalcium silicate (Ca2SiO4, beta-C2S), the principal components of cement clinkers. In addition to showing how the two phases may be characterised and differentiated, it is shown how the sensitivity of these  phases to atmospheric carbon dioxide and moisture may, as a result of improper sample preparation, lead to erroneous results. The observed alteration processes of the clinker minerals shed light upon the ageing process of cement clinker during storage.  16 refs.

Primary author(s): Black L; Stumm A; Garbev K; Stemmermann P; Hallam K R;

                            Forschungszentrum Karlsruhe; Bristol,University

Source: Cem.Concr.Res.


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