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- Title
Cement-Free Refractory Concretes. Part 8. Features of the Structure, Sintering, and Mullitization of High-Alumina Matrix Systems<sup>1</sup>.
- Authors
Pivinskii, Yu. E.; Dyakin, P. V.
- Abstract
The mechanism of contact interactions between a sintered matrix system and a constant volume (unsintered) filler in refractory concretes is considered. On this basis possible types of crack development within them and the nature of crack formation are presented. In the majority of cases a shrinkage free matrix structure is the optimum for a CFRC. On the example of high-alumina or corundum ceramic concretes prepared using matrix systems based on HCBS in the Al2O3–SiO2 system, the possibility of obtaining CFRC with a high degree of volume constancy is demonstrated. This effect is achieved due to occurrence of mullitization accompanied by growth that compensates for shrinkage.
- Subjects
CONCRETE; REFRACTORY materials; SINTERING; STRUCTURAL optimization
- Publication
Refractories & Industrial Ceramics, 2021, Vol 62, Issue 3, p275
- ISSN
1083-4877
- Publication type
Article
- DOI
10.1007/s11148-021-00595-4