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Calorimetric study of magnesium potassium phosphate cement
Qiao F.; Chau C.K.; Li Z.
2012-03-01
Source PublicationMaterials and Structures/Materiaux et Constructions
ISSN13595997
Volume45Issue:3Pages:447-456
AbstractThe thermal behavior of magnesium potassium phosphate cement (MKPC) during the early reaction period has been monitored by isothermal conduction calorimetry at 298 K. It is found that the typical heat evolution curve of the MKPC hydration has one endothermic valley and two distinct exothermic peaks. It is believed that the endothermic valley corresponds to the dissolution of potassium dihydrogen phosphate and the exothermic peaks are related to the dissolution of magnesia and the formation of magnesium potassium phosphate hexahydrate, respectively. The influences of the water to powder ratio, the magnesium to phosphate molar ratio and the setting retarder content on the reaction can be reflected in a change of shape and intensity of the peaks on the heat flow curve. The variation trend is consistent with the change of the setting time of MKPC pastes. © RILEM 2011.
KeywordIsothermal calorimetry Magnesium potassium phosphate cement Microstructure Phase identification Thermal behavior
DOI10.1617/s11527-011-9776-z
URLView the original
Language英語
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Cited Times [WOS]:27   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
AffiliationHong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Qiao F.,Chau C.K.,Li Z.. Calorimetric study of magnesium potassium phosphate cement[J]. Materials and Structures/Materiaux et Constructions,2012,45(3):447-456.
APA Qiao F.,Chau C.K.,&Li Z..(2012).Calorimetric study of magnesium potassium phosphate cement.Materials and Structures/Materiaux et Constructions,45(3),447-456.
MLA Qiao F.,et al."Calorimetric study of magnesium potassium phosphate cement".Materials and Structures/Materiaux et Constructions 45.3(2012):447-456.
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