Magnesia cement hydration products, modified by the addition of amorphous silica

Tyukavkina V V; Kasikov A G; Gurevich B I; Semushin V V

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Magnesia cement hydration products, modified by the addition of amorphous silica

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MAGNESIA CEMENT HYDRATION PRODUCTS, MODIFIED BY THE ADDITION OF AMORPHOUS SILICA

Journal: TECHNIQUE AND TECHNOLOGY OF SILICATES Volume 22 № 1 , 2015

Rubrics: MAIN RUBRIC

Tyukavkina V V ¹

Kasikov A G ²

Gurevich B I ³

Semushin V V ⁴

Author and publication information

Authors:

1. Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, Murmansk region, Apatity

2. Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, Murmansk region, Apatity

3. Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, Murmansk region, Apatity

4. Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials, Kola Scientific Center, Russian Academy of Sciences, Murmansk region, Apatity

Type:

Article

Pages:

from 6 to 12

Status:

Published

Received:

21.03.2015

Accepted:

23.03.2015

Published:

25.03.2015

Language:

Russian

Keywords:

magnesia binders, amorphous silica, strength, water resistance, hydration, phase composition

Abstract and keywords

Abstract (English):
A complex of physical and chemical methods of analysis has been employed to investigate the effect of fine-grain silica, obtained from copper-nickel smelter slag, on hardening and phase composition of magnesia oxychloride binder. In the composition of the magnesia cement, modified by the addition of silica, along with the main products of hardening binder found oxyhydrochloride compound of magnesium and silicon, which contributes to the improvement of water resistance of cement stone. The average composition of the magnesia binder, modified by the addition of silica, is reported.

Keywords:
magnesia binders, amorphous silica, strength, water resistance, hydration, phase composition

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References

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