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Delayed ettringite formation

Cement and Concrete Research, 2001
Abstract Delayed ettringite formation (DEF) can damage concrete that has experienced a temperature above about 70°C. Claims that slow release of sulfate from the clinker can have a similar effect in concrete not thus heated are unsupported. Chemical and microstructural aspects of DEF are reviewed.
Taylor, H. F. W.   +2 more
exaly   +2 more sources

Crystal Structure of Ettringite

Nature, 1968
ETTRINGITE (Ca6[Al(OH)6]2(SO4)3.26H2O) occurs as a natural mineral, and is technically important as a hydration product of Portland and supersulphated cements and in its use, as satin white, for coating paper. It forms hexagonal, prismatic crystals which in synthetic material are often highly elongated.
A. E. Moore, H. F. W. Taylor
openaire   +1 more source

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