Low-Temperature Aluminosilicate Nanostructured Binder - Characteristics and Applicability

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Current trends in the field of construction material is focused on enhancement of sustainability of building materials and constructions urging on development of new types of inorganic binders and composites in order to meet the modern requirements of service performance and special properties. This research studied and demonstrated the opportunity to develop zero-cement heat-resisting granite-based nanostructured binder (GNB) using «green» technology production. XRD and DTA analyses demonstrated that the thermal exposure of GNB to wide range of temperatures of 20–1000 °C leads to such phase transformations in the binder as α-quartz to β-quartz transformation; amorphous alkali-aluminosilicate (gel) to crystal phase of Са-albite. The calculation of cell volumes characteristics for low-temperature (before thermal exposure) and high-temperature (after thermal exposure) phases was performed using following equation: where is concentration (by wt. %) of mineral phases; Vi is unit cell volume of mineral phases, Å. The calculated ratios of unit cell volumes were close to 1 which ensures a structural stability of the GNB under thermal exposure and confirms its heat-resistant performance.

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Edited by:

Dr. Denis Solovev

Pages:

193-198

Citation:

I. V. Zhernovsky et al., "Low-Temperature Aluminosilicate Nanostructured Binder - Characteristics and Applicability", Materials Science Forum, Vol. 945, pp. 193-198, 2019

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February 2019

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