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RISCharacterization of (A/F)H3 Phase Microstructure with Different Al/(Fe+Al) Ratios Based on Calcium Sulfoaluminate Cement
Publisher: American Society of Civil Engineers
Abstract: The hydration product Fe(OH)3 gel phase or Al-containing Fe(OH)3 [abbreviated as (A/F)H3] gel phase enables calcium sulfoaluminate cement (CSA) to obtain excellent cementitious properties. The formation of these two gels ...
Performance of High-Calcium-Content Magnesium Oxysulfate Cement Modified by Boric Acid, EDTA-2Na, and Oxalic Acid
Publisher: American Society of Civil Engineers
Abstract: To avoid stacking and discarding low-grade magnesite tailings with high calcium contents, this study investigated the preparation of magnesium oxysulfate (MOS) cement by using boric acid–, oxalic acid–, and ethylenediami ...
Mechanism of CaO in Light-Burned Magnesia on the Formation Process, Mechanical Properties, and Water and Chloride Resistance of the 517 Phase
Publisher: American Society of Civil Engineers
Abstract: With the continuous exploitation of high-quality magnesite ores, a large number of low-grade magnesite ores with high calcium contents were abandoned, thereby occupying the land, polluting the environment, and causing ...