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Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering

Tutkimustuotosvertaisarvioitu

Standard

Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering. / Karhu, M.; Lagerbom, J.; Kivikytö-Reponen, P.; Ismailov, A.; Levänen, E.

julkaisussa: Journal of Ceramic Science and Technology, Vuosikerta 8, Nro 1, 01.03.2017, s. 101-112.

Tutkimustuotosvertaisarvioitu

Harvard

Karhu, M, Lagerbom, J, Kivikytö-Reponen, P, Ismailov, A & Levänen, E 2017, 'Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering', Journal of Ceramic Science and Technology, Vuosikerta. 8, Nro 1, Sivut 101-112. https://doi.org/10.4416/JCST2016-00094

APA

Karhu, M., Lagerbom, J., Kivikytö-Reponen, P., Ismailov, A., & Levänen, E. (2017). Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering. Journal of Ceramic Science and Technology, 8(1), 101-112. https://doi.org/10.4416/JCST2016-00094

Vancouver

Karhu M, Lagerbom J, Kivikytö-Reponen P, Ismailov A, Levänen E. Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering. Journal of Ceramic Science and Technology. 2017 maalis 1;8(1):101-112. https://doi.org/10.4416/JCST2016-00094

Author

Karhu, M. ; Lagerbom, J. ; Kivikytö-Reponen, P. ; Ismailov, A. ; Levänen, E. / Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering. Julkaisussa: Journal of Ceramic Science and Technology. 2017 ; Vuosikerta 8, Nro 1. Sivut 101-112.

Bibtex - Lataa

@article{ec9eed0868a64792983236b0d2456210,
title = "Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering",
abstract = "Self-propagating high-temperature synthesis (SHS) is a widely known and extensively studied highly exothermicreaction- utilizing technique for making certain advanced composites and intermetallic compounds. However, only few studies have been published about the SHS of pure aluminosilicate ceramics. In the current work, possibilities for aluminosilicate ceramic synthesis and sintering requiring less energy based on the utilization of SHS in air was studied. Kaolinite powder and exothermically reactive metallic aluminium powder were used as raw materials. Thermodynamic calculations for the possible reactions and reaction paths were performed to show the theoretical possibilities for SHS utilization. The chemical reactions, thermal expansion behaviour and formed phase- and microstructures after SHS were compared to the conventional reaction sintering of mullite. Results conclude that highly exothermic reactions above 900 °C relating mainly to aluminium oxidation can ignite the SHS reaction in air atmosphere. After initialization, the reaction proceeded in a self-sustaining manner through entire test pieces, resulting in the formation of an Al2O3 - Si phase structure. Thermodynamic calculations showed the total energy balance for mullite formation from aluminium and kaolinite mixtures as highly exothermic in nature only if sufficient oxygen is available to complete the reactions. However, future research is needed to fully utilize SHS in aluminosilicate ceramics processing.",
keywords = "Aluminosilicate ceramics, Exothermic reactions, Self-propagating high-temperature synthesis, SHS, Sintering, Synthesis",
author = "M. Karhu and J. Lagerbom and P. Kivikyt{\"o}-Reponen and A. Ismailov and E. Lev{\"a}nen",
note = "EXT={"}Lagerbom, J.{"}",
year = "2017",
month = "3",
day = "1",
doi = "10.4416/JCST2016-00094",
language = "English",
volume = "8",
pages = "101--112",
journal = "Journal of Ceramic Science and Technology",
issn = "2190-9385",
publisher = "GOLLER VERLAG GMBH",
number = "1",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Reaction heat utilization in aluminosilicate-based ceramics synthesis and sintering

AU - Karhu, M.

AU - Lagerbom, J.

AU - Kivikytö-Reponen, P.

AU - Ismailov, A.

AU - Levänen, E.

N1 - EXT="Lagerbom, J."

PY - 2017/3/1

Y1 - 2017/3/1

N2 - Self-propagating high-temperature synthesis (SHS) is a widely known and extensively studied highly exothermicreaction- utilizing technique for making certain advanced composites and intermetallic compounds. However, only few studies have been published about the SHS of pure aluminosilicate ceramics. In the current work, possibilities for aluminosilicate ceramic synthesis and sintering requiring less energy based on the utilization of SHS in air was studied. Kaolinite powder and exothermically reactive metallic aluminium powder were used as raw materials. Thermodynamic calculations for the possible reactions and reaction paths were performed to show the theoretical possibilities for SHS utilization. The chemical reactions, thermal expansion behaviour and formed phase- and microstructures after SHS were compared to the conventional reaction sintering of mullite. Results conclude that highly exothermic reactions above 900 °C relating mainly to aluminium oxidation can ignite the SHS reaction in air atmosphere. After initialization, the reaction proceeded in a self-sustaining manner through entire test pieces, resulting in the formation of an Al2O3 - Si phase structure. Thermodynamic calculations showed the total energy balance for mullite formation from aluminium and kaolinite mixtures as highly exothermic in nature only if sufficient oxygen is available to complete the reactions. However, future research is needed to fully utilize SHS in aluminosilicate ceramics processing.

AB - Self-propagating high-temperature synthesis (SHS) is a widely known and extensively studied highly exothermicreaction- utilizing technique for making certain advanced composites and intermetallic compounds. However, only few studies have been published about the SHS of pure aluminosilicate ceramics. In the current work, possibilities for aluminosilicate ceramic synthesis and sintering requiring less energy based on the utilization of SHS in air was studied. Kaolinite powder and exothermically reactive metallic aluminium powder were used as raw materials. Thermodynamic calculations for the possible reactions and reaction paths were performed to show the theoretical possibilities for SHS utilization. The chemical reactions, thermal expansion behaviour and formed phase- and microstructures after SHS were compared to the conventional reaction sintering of mullite. Results conclude that highly exothermic reactions above 900 °C relating mainly to aluminium oxidation can ignite the SHS reaction in air atmosphere. After initialization, the reaction proceeded in a self-sustaining manner through entire test pieces, resulting in the formation of an Al2O3 - Si phase structure. Thermodynamic calculations showed the total energy balance for mullite formation from aluminium and kaolinite mixtures as highly exothermic in nature only if sufficient oxygen is available to complete the reactions. However, future research is needed to fully utilize SHS in aluminosilicate ceramics processing.

KW - Aluminosilicate ceramics

KW - Exothermic reactions

KW - Self-propagating high-temperature synthesis

KW - SHS

KW - Sintering

KW - Synthesis

U2 - 10.4416/JCST2016-00094

DO - 10.4416/JCST2016-00094

M3 - Article

VL - 8

SP - 101

EP - 112

JO - Journal of Ceramic Science and Technology

JF - Journal of Ceramic Science and Technology

SN - 2190-9385

IS - 1

ER -