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Viskoelastizität wässriger Lackbindemittel-Emulsionen / Viscoelasticity of aqueous paint binder emulsions
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Reactivity of high alumina cement in water: Pore solution and solid phase characterization
The hydration reaction of high alumina cement at a temperature of 20 ºC and water/cement ratio of 0.5 has been studied over a period of one month. The changes of the solid phase were followed by X-ray diffraction and thermal analysis. Besides, pore-solution was expressed by application of high mechanical pressure (500…
Calcium aluminate cement concrete: durablllty and conversión. A fresh look at an old subject
This paper re-examines the relationship between durability and conversion of calcium aluminate cement concretes, CACC. Conversion is a natural and inevitable process whereby these materials reach a stable mature condition. Numerous structures built more than half a century ago remain serviceable and in service today.…
The application of thermal analysis to the hydration and conversión Reactions of calcium alumínate Cements
The hydration of calcium aluminates cements is dominated by that of CA, CaAl2O4, which is a major constituent of all of them. At ambient temperatures, CAH10 and an amorphous phase are formed initially, but these are metastable and slowly (or more rapidly if exposed to higher temperatures) transform into C3AH6 and gíbb…