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Application of pyrophyllite in high-temperature treated building materials

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2023
bitstream_1183.pdf (3.008Mb)
Authors
Terzić, Anja
Vasić, Milica
Stojanović, Jovica
Pavlović, Vladimir
Radojević, Zagorka
Article (Published version)
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Abstract
Phyllosilicate mineral pyrophyllite is predominantly used in the ceramic industry because it exhibits high refractoriness. Due to its thermal transformation into mullite, pyrophyllite is stable at elevated temperatures, making it a suitable mineral additive for refractory non-shaped materials and various ceramic shaped products. In this study, pyrophyllite is employed as 50 % clay replacement in the ceramics and up to 30 % cement replacement in mortars. Physico-mechanical properties were investigated. The firing shrinkage in the ceramics treated at 1200°C was reduced by pyrophyllite addition. Pyrophyllite acted as additional pozzolana during cement hydration. Within the microstructure, it formed micro-reinforcement in the shape of crystalline folia, which improves the mechanical properties of ordinary Portland cement, high aluminate cement, and blended cement mortars. The investigation proved the efficiency and suitability of pyrophyllite employed as a substitution for clay in ceramics... and a cement replacement in mortars.

Keywords:
Mineral additives / Sintering / Sustainable raw materials / Instrumental analyses
Source:
Science of Sintering 2023 OnLine-First Issue 00, 2023, 14-
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200012 (Istitute of Material Testing of Serbia - IMS, Belgrade) (RS-200012)

DOI: 10.2298/SOS220610014T

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URI
http://rims.institutims.rs/handle/123456789/485
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Institut za ispitivanje materijala
TY  - JOUR
AU  - Terzić, Anja
AU  - Vasić, Milica
AU  - Stojanović, Jovica
AU  - Pavlović, Vladimir
AU  - Radojević, Zagorka
PY  - 2023
UR  - http://rims.institutims.rs/handle/123456789/485
AB  - Phyllosilicate mineral pyrophyllite is predominantly used in the ceramic industry because it exhibits high refractoriness. Due to its thermal transformation into mullite, pyrophyllite is stable at elevated temperatures, making it a suitable mineral additive for refractory non-shaped materials and various ceramic shaped products. In this study, pyrophyllite is employed as 50 % clay replacement in the ceramics and up to 30 % cement replacement in mortars. Physico-mechanical properties were investigated. The firing shrinkage in the ceramics treated at 1200°C was reduced by pyrophyllite addition. Pyrophyllite acted as additional pozzolana during cement hydration. Within the microstructure, it formed micro-reinforcement in the shape of crystalline folia, which improves the mechanical properties of ordinary Portland cement, high aluminate cement, and blended cement mortars. The investigation proved the efficiency and suitability of pyrophyllite employed as a substitution for clay in ceramics and a cement replacement in mortars.
T2  - Science of Sintering 2023 OnLine-First Issue 00
T1  - Application of pyrophyllite in high-temperature treated building materials
SP  - 14
DO  - 10.2298/SOS220610014T
ER  - 
@article{
author = "Terzić, Anja and Vasić, Milica and Stojanović, Jovica and Pavlović, Vladimir and Radojević, Zagorka",
year = "2023",
abstract = "Phyllosilicate mineral pyrophyllite is predominantly used in the ceramic industry because it exhibits high refractoriness. Due to its thermal transformation into mullite, pyrophyllite is stable at elevated temperatures, making it a suitable mineral additive for refractory non-shaped materials and various ceramic shaped products. In this study, pyrophyllite is employed as 50 % clay replacement in the ceramics and up to 30 % cement replacement in mortars. Physico-mechanical properties were investigated. The firing shrinkage in the ceramics treated at 1200°C was reduced by pyrophyllite addition. Pyrophyllite acted as additional pozzolana during cement hydration. Within the microstructure, it formed micro-reinforcement in the shape of crystalline folia, which improves the mechanical properties of ordinary Portland cement, high aluminate cement, and blended cement mortars. The investigation proved the efficiency and suitability of pyrophyllite employed as a substitution for clay in ceramics and a cement replacement in mortars.",
journal = "Science of Sintering 2023 OnLine-First Issue 00",
title = "Application of pyrophyllite in high-temperature treated building materials",
pages = "14",
doi = "10.2298/SOS220610014T"
}
Terzić, A., Vasić, M., Stojanović, J., Pavlović, V.,& Radojević, Z.. (2023). Application of pyrophyllite in high-temperature treated building materials. in Science of Sintering 2023 OnLine-First Issue 00, 14.
https://doi.org/10.2298/SOS220610014T
Terzić A, Vasić M, Stojanović J, Pavlović V, Radojević Z. Application of pyrophyllite in high-temperature treated building materials. in Science of Sintering 2023 OnLine-First Issue 00. 2023;:14.
doi:10.2298/SOS220610014T .
Terzić, Anja, Vasić, Milica, Stojanović, Jovica, Pavlović, Vladimir, Radojević, Zagorka, "Application of pyrophyllite in high-temperature treated building materials" in Science of Sintering 2023 OnLine-First Issue 00 (2023):14,
https://doi.org/10.2298/SOS220610014T . .

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