Investigation of the Effect of Nanoscale Alumina Fiber on the Heat Resistance of Refractory Concrete

The results of studies of the effect of alumina nanofiber on the physical and mechanical characteristics of refractory concrete NPC-21AC are presented. It is shown that the use of nanofibers increases the flexural strength by 50 % and compressive strength by 30% with a 15% decrease in Young’s modulu...

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Published inRefractories and industrial ceramics Vol. 61; no. 6; pp. 704 - 708
Main Authors Dobrosmyslov, S. S., Simunin, M. M., Voronin, A. S., Fadeev, Yu. V., Zadov, V. E., Nagibin, G. E., Khartov, S. V.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.03.2021
Springer
Springer Nature B.V
Subjects
Aluminum oxide
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Compressive strength
Flexural strength
Glass
Heat resistance
Materials Science
Mechanical properties
Modulus of elasticity
Nanofibers
Natural Materials
Refractories industry
Thermal resistance
heat resistance
aluminum oxide
nanofiber
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Summary:The results of studies of the effect of alumina nanofiber on the physical and mechanical characteristics of refractory concrete NPC-21AC are presented. It is shown that the use of nanofibers increases the flexural strength by 50 % and compressive strength by 30% with a 15% decrease in Young’s modulus. An increase in physical and mechanical characteristics leads to a 54 – 72% increase in thermal resistance, depending on the rate of heat transfer. The results of the study of the microstructure of the obtained material are presented.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-021-00546-z