hydrogarnet

hydrogarnet

[¦hī·drō′gär·nət]
(mineralogy)
One of a group of minerals having the general formula A3B2(SiO4)3-x (OH)4 x ; isomorphous with certain garnets.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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[Al.sub.2][O.sub.3] and [Fe.sub.3][O.sub.4] released from slag are used in increasing the (Al + Fe)/Ca ratio of the C-S-H formed from the OPC; some probably enters additional AFm or hydrogarnet phases.
The calcium aluminate is as soluble as the C3S and it reacts rapidly to form a mineral called hydrogarnet.
Hydrothermal synthesis of hydrogarnet and tobermorite at 175 [grados]C from kaolinite and metakaolinite in the CaO-[Al.sub.2][O.sub.3]-Si[O.sub.2]-H2O system: A comparative study.
Carlson, Hydrogarnet formation in the system lime-alumina-water, J.
Where C is calcite, Q is quartz, and CH is calcium hydroxide, the test result helps confirming the effects on the compressive strength and the shrinkage especially in the case of SRA + EX + FA, of which the calcium hydroxide is highly found as well as [C.sub.3]A[H.sub.6] which derives from the aluminate reaction of [C.sub.3]A at higher than 60[degrees]C, resulting in the hydrogarnet decreasing the strength of mortar and increasing the enlargement of the paste in the early age [25, 26].
% loam in the raw mix is fixed hydrogarnets formation, the number of which with increasing content of rocks, judging by the increase in the intensity of the endothermic effect at 340 [degrees]C and reflections 5,00, 2,75, 2,00 [Angstrom], increases (see Fig.
Solid-state 27Al and 29Si NMR investigations on Si-substituted hydrogarnets. Acta Mater., 2007, 55(4), 1183-1191.
The phases with hydrogen were called hydrogarnets. All these compounds were found to be cubic with space group Ia 3d.