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Thermal and Mechanical Properties of Aluminate Cementitious Functional Materials Enriched with Nano-SiO2 for Thermal Energy Storage

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Abstract:

This paper focuses on both thermal and mechanical properties of the composite pastes. Heat-treatment was carried out at temperatures up to 105 and 900 °C for 6h, respectively. Thermal conductivity of the specimens enriched with 3 wt% nanoSiO2 was approximately 60% higher than that of pure paste. Volume heat capacity of the composite pastes displayed 28% increase. Moreover, the composite pastes contributed to ~25% improvement of compressive strength. XRD, and TG-DSC were employed to investigate the cause of physical and thermal changes in the heated specimens.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

77-80

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.77

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Online since:

February 2014

Authors:

Yu Shi, Hui Wen Yuan, Zhong Zi Xu*, Chun Hua Lu, Ya Ru Ni, Ya Dong

Keywords:

Composite Material, Thermal and Mechanical Properties, Thermal Storage Material

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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