X-ray photoelectron spectroscopy of the cement clinker phases tricalcium silicate and β-dicalcium silicate期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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

Authors:	Leon Black Andreas Stumm Peter Stemmermann Geoffrey C Allen

Affiliation:	^a Forschungszentrum Karlsruhe GmbH (ITC-WGT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany ^b Interface Analysis Centre, University of Bristol, 121 St. Michael's Hill, Bristol BS2 8BS, UK

Abstract:	We have used X-ray photoelectron spectroscopy (XPS) to investigate both tricalcium silicate (Ca₃SiO₅, C₃S) and β-dicalcium silicate (Ca₂SiO₄, β-C₂S), the principal components of cement clinkers. In addition to showing how the two phases may be characterised and differentiated, we show 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 aging process of cement clinker during storage.

Keywords:	Clinker Aging Ca₃SiO₅ Ca₂SiO₄ X-ray photoelectron spectroscopy
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