The Mineral Composition and Microstructure of MAC Cementing Material Prepared Using Hydrated Lime

Yong Jie Liu; Lin Chen; Shi Quan Liu; Rui Xia Shi

doi:10.4028/www.scientific.net/KEM.575-576.527

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 575-576The Mineral Composition and Microstructure of MAC...

The Mineral Composition and Microstructure of MAC Cementing Material Prepared Using Hydrated Lime

Abstract:

MAC cementing material was in-situ synthesized with different ratios of raw materials and sintering temperatures. The raw materials include hydrated lime, magnesite and alumina. X-ray diffraction analysis indicates that the major mineral phases in the MAC are monocalcium aluminate (CA), magnesium aluminate spinel (MA) and calcium aluminate (C₇A₁₂). The relative contents of the mineral and amorphous phase were simply calculated based on the relative diffraction peaks and MgO-Al₂O₃-CaO ternary phase diagram. SEM and EDS analysis indicate that the MAC cementing material includes layered structured CA, long strip C₇A₁₂ and octahedral MA.

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Key Engineering Materials (Volumes 575-576)

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527-530

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.575-576.527

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Online since:

September 2013

Authors:

Yong Jie Liu, Lin Chen, Shi Quan Liu, Rui Xia Shi

Keywords:

Aluminate Cementitious Materials, Magnesium Aluminate Spinel, MCA Materials, Refractory Gelatify Material

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