One of the four main mineral phases of the Portland cement clinker
Photomicrograph (0.11 mm) of clinker polished section showing tetra-calcium aluminoferrite (C 4AF) (white) and tricalcium aluminate (C 3A) (grey) occupying interstitial space between alite (C 3S) (blue) and belite (C 2S) (orange) crystals. These are false (interference) colors.
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 aluminoferrite or ferrite. In cement chemist notation (CCN), it is abbreviated as C 4AF meaning 4CaO·Al 2O 3·Fe 2O 3 in the oxide notation. It also exists in nature as the rare mineral brownmillerite.
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Calciumaluminoferrite (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...
tetracalcium aluminoferrite. C3A hydration products are AFm, calciumaluminoferrite monosulfate, and ettringite, a calciumaluminoferrite trisulfate (AFt)...
ceramic material Bismuth ferrite, a promising multiferroic material Calciumaluminoferrite, Ca2(Al,Fe)2O5, a mineral found in cements This disambiguation page...
minerals: two calcium silicates, alite (Ca3SiO5) and belite (Ca2SiO4), along with tricalcium aluminate (Ca3Al2O6) and calciumaluminoferrite (Ca2(Al,Fe)2O5)...
larnite and mayenite are associated. The mineral is similar to the calciumaluminoferrite phases which are commonly found as components of Portland cement...
dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite, with calcium sulfate and bismuth oxide as minor constituents. The later 4...
dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite, bismuth oxide and calcium sulfate. MTA is known to have excellent physical characteristics...
which consist essentially of hydraulic calcium silicates, usually containing one or more of the forms of calcium sulfate as an inter ground addition. The...
hydroxides. This is caused by the transformation of ettringite (AFt) into aluminoferrite monosulfate (AFm) under the action of the hydroxyl anions (OH–) as schematized...
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