NDLI: Calorimetric study of magnesium potassium phosphate cement

Content Provider	Springer Nature Link
Author	Qiao, Fei Chau, C. K. Li, Zongjin
Copyright Year	2011
Abstract	The 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.
Starting Page	447
Ending Page	456
Page Count	10
File Format	PDF
ISSN	13595997
Journal	Materials and Structures
Volume Number	45
Issue Number	3
e-ISSN	18716873
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-09-09
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Thermal behavior Magnesium potassium phosphate cement Isothermal calorimetry Phase identification Microstructure Operating Procedures, Materials Treatment Structural Mechanics Civil Engineering Building Materials Theoretical and Applied Mechanics Materials Science
Content Type	Text
Resource Type	Article
Subject	Building and Construction Mechanics of Materials Materials Science Civil and Structural Engineering

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