CUED Publications database

Characterisation of different commercial reactive magnesia

Jin, F and Al-Tabbaa, A (2014) Characterisation of different commercial reactive magnesia. Advances in Cement Research, 26. pp. 101-113. ISSN 0951-7197

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Reactive magnesia (MgO) has emerged as an essential component in a new family of cements with significantly superior technical and environmental performance over Portland cement. The physical characteristics of different reactive magnesia, which are likely to affect their engineering performance, vary considerably depending on their origin and manufacturing processes. To appropriately utilise such a material, it is essential to develop a better understanding of the characteristics of different magnesia from various sources. In this study, the detailed characterisation of 14 commercial magnesia in terms of reactivity, textural properties, X-ray diffraction pattern, pH value and hydration behaviour and morphology is presented and correlation between them is developed. Relationships were developed between the reactivity, specific surface area, agglomeration ratio and hydration rate based on the experimental observations. As a result, the reactive magnesia used in this study were grouped into three categories and their characteristics and anticipated performances in different applications were discussed.

Item Type: Article
Divisions: Div D > Geotechnical and Environmental
Depositing User: Unnamed user with email
Date Deposited: 17 Jul 2017 19:16
Last Modified: 10 Apr 2021 21:35
DOI: 10.1680/adcr.13.00004