Influence of Slag on Water Resistance of Magnesia Phosphate Cement

Zhe Wang; Yao Kun Ding; Si Rui Li

doi:10.4028/www.scientific.net/AMR.1096.387

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1096Influence of Slag on Water Resistance of Magnesia...

Influence of Slag on Water Resistance of Magnesia Phosphate Cement

Abstract:

Effect of different curing conditions on the mechanical properties of magnesium phosphate cement (MPC), and the water resistance of MPC was improved by adding slag, the influence of slag on component and microstructure of the hydrated product were studied in this paper. The additive amount of slag was 0% ,10% , 20%, 30% and 40% separately in the ratio of total amount of MPC. It indicates that the compressive strength and flexural strength increase by about 30%,40% when the amount of slag reaches 10% of phosphate cement, respectively , and the dissolution of some phosphate which has not reacted can be prevented when cured in water for days, it improves the pH value of the solution, so the main hydration product-MgKPO₄·6H₂O hard to be dissolved under alkaline environment resulting in the decreasing of porosity ,and the decrease of strength would be controlled.

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Periodical:

Advanced Materials Research (Volume 1096)

Pages:

387-391

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1096.387

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Online since:

April 2015

Authors:

Zhe Wang*, Yao Kun Ding, Si Rui Li

Keywords:

Curing Condition, Magnesium Phosphate Cement (MPC), Slag, Strength, Water Resistance

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