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Calcium aluminate cements information


Phase diagram of calcium aluminates present in the anhydrous calcium aluminate cement before hydration.

Calcium aluminate cements[1] are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are "aluminous cement", "high-alumina cement", and "Ciment fondu" in French. They are used in a number of small-scale, specialized applications.[citation needed]

  1. ^ Hewlett, P.C. (Ed.) (1998). "13". Lea's Chemistry of Cement and Concrete: 4th Ed. Arnold. ISBN 0-340-56589-6.

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Calcium aluminate cements

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Calcium aluminate cements are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are "aluminous cement", "high-alumina...

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Calcium aluminates

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cements, calcium aluminates do not release calcium hydroxide (Ca(OH)2, portlandite or lime) during their hydration. Calcium aluminate cements Cement Cement...

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Cement

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slow Portland cement. They exhibit good resistance to aggressive agents, including sulfate. Calcium aluminate cements are hydraulic cements made primarily...

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Tricalcium aluminate

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aluminate Ca3Al2O6, often formulated as 3CaO·Al2O3 to highlight the proportions of the oxides from which it is made, is the most basic of the calcium...

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Calcium oxide

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of glass, calcium aluminate cement, and organic chemicals. Heat: Quicklime releases thermal energy by the formation of the hydrate, calcium hydroxide...

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Aluminate

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the isomerization process of alkenes and amines Calcium aluminates are important ingredients of cements. Li5AlO4 is used in the nuclear power industry...

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Monocalcium aluminate

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important in the composition of calcium aluminate cements. Monocalcium aluminate is formed when the appropriate proportions of calcium carbonate and aluminium...

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Vermiculite

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vermiculite can be combined with high alumina (also known as calcium aluminate) cements and other aggregates such as expanded shale, clay, and slate or...

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Cement clinker

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alite (Ca3SiO5) and belite (Ca2SiO4), along with tricalcium aluminate (Ca3Al2O6) and calcium aluminoferrite (Ca2(Al,Fe)2O5). These main mineral phases are...

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AFt phases

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refer to the calcium Aluminate Ferrite trisubstituted, or calcium aluminate trisubstituted, phases present in hydrated (or hardened) cement paste (HCP)...

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Concrete

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cement binders, such as lime putty, were often used but sometimes with other hydraulic cements, (water resistant) such as a calcium aluminate cement or...

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Calcium

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in foods and pharmaceuticals for calcium supplementation, in the paper industry as bleaches, as components in cement and electrical insulators, and in...

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Calcium aluminoferrite

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Calcium aluminoferrite (Ca 2(Al,Fe) 2O 5) is a dark brown crystalline phase commonly found in cements. In the cement industry it is termed tetra-calcium...

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Glossary of structural engineering

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External links Calcium aluminate cementsCalcium aluminate cements are cements consisting predominantly of hydraulic calcium aluminates. Alternative names...

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Biogenic sulfide corrosion

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acid neutralizing capacity of calcium aluminate cements vs. ordinary Portland Cement; one gram of calcium aluminate cement can neutralize around 40% more...

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Portland cement

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640 °F) for modern cements, to sinter the materials into clinker. The materials in cement clinker are alite, belite, tricalcium aluminate, and tetracalcium...

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HAC

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concentration of naphthenic acids High Alumina Cement (HAC), now known generally as Calcium aluminate cements Human artificial chromosome Newey–West HAC estimator...

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Mineral trioxide aggregate

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medical graded calcium silicate based material. 4. Calcium aluminate bioceramic material - (alumina cement in minerals, calcium aluminate cements in bioceramics)...

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Types of concrete

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better able to withstand such conditions. Materials may include calcium aluminate cements, fire clay, ganister and minerals high in aluminium.[citation...

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Cement chemist notation

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the tricalcium aluminate (C3A), 2–5 wt. % calcium sulfate is interground with the cement clinker to prepare the cement powder. In cement chemist notation...

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Energetically modified cement

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Energetically modified cements (EMCs) are a class of cements made from pozzolans (e.g. fly ash, volcanic ash, pozzolana), silica sand, blast furnace slag...

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Red mud

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Portland cement clinker, supplementary cementious materials/blended cements and special calcium aluminate cements (CAC) and calcium sulfo-aluminate (CSA)...

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Chlormayenite

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calcium aluminate in cement where its formula is also written as 11CaO·7 Al2O3·CaCl2, or C11A7CaCl2 in the cement chemist notation. Calcium aluminate...

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Pozzolana

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reaction). In this reaction insoluble calcium silicate hydrate and calcium aluminate hydrate compounds are formed possessing cementitious properties. The...

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Microbial corrosion

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submitted to a biogenic sulfuric acid attack. Materials like calcium aluminate cements, PVC or vitrified clay pipe may be substituted for ordinary concrete...

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Sewerage

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option is the application of a cementitious material based on calcium aluminate cement, after a cleaning of the corroded structure to remove loose material...

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Reinforced concrete

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reacts in the porewater with the calcium hydroxide (portlandite) present in the cement paste to form an expansive calcium silicate hydrate (CSH). The alkali–silica...

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