Influence of the composition of initial powders and sintering temperature on the structure and properties of aluminum oxide based ceramics | Izvestiya vuzov. Fizika. 2025. № 11. DOI: 10.17223/00213411/68/11/19

Influence of the composition of initial powders and sintering temperature on the structure and properties of aluminum oxide based ceramics

The effect of the batch composition (ratio of synthesized/electrofused mullite, content and dispersion of corundum) and sintering temperature (1550-1650 °C) on the structure and properties of mullite-corundum ceramics was studied. It was found that the optimal combination of strength, density, and shrinkage is achieved using mixed mullite raw materials and sintering at 1650 °C. The maximum strength was obtained at a corundum content of ~18 wt.% and a particle size of 60 μm.

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Keywords

mullite-corundum ceramics, refractory materials, electrocorundum, microstructure, compressive strength

Authors

Name	Organization	E-mail
Akhmadieva Anastasia A.	Tomsk State University	nas99.9@yandex.ru
Khrustalyov Anton P.	Tomsk State University	tofik0014@gmail.com
Grigoriev Mikhail V.	Tomsk State University	mvgrigoriev@yandex.ru
Zhukov Ilya A.	Tomsk State University	gofra930@gmail.com

Всего: 4

References

Максимов В.Г., Варрик Н.М., Бабашов В.Г. // Новые огнеупоры. - 2023. - № 10. - С. 14-21. - DOI: 10.17073/1683-4518-2023-10-14-21.

Руднев С.В., Клишин А.П., Закутаев А.Н. и др. // Изв. вузов. Физика. - 2013. - Т. 56. - № 12/2. - С. 192-196.

Lima L.K.S. et al. // Cerâmica. - 2022. - V. 68. - No. 385. - P. 126-142. - DOI: 10.1590/0366-69132022683853184.

Aksel C. // Ceram.Int. - 2003. - V. 29. - P. 183-188. - DOI: 10.1016/S0272-8842(02)00103-7.

Medvedovski E. // Ceram.Int. - 2006. - V. 32. - P. 369-375. - DOI: 10.1016/j.ceramint.2005.04.001.

Volobueva T.M. et al. // Glass and Ceramics. - 2024. - V. 80. - No. 9. - P. 357-363. - DOI: 10.1007/s10717-023-00615-4.

Pletnev P.M. et al. // Refractor. Industrial Ceram. - 2018. - V. 58. - No. 6. - P. 618-625. - DOI: 10.1007/s11148-018-0156-x.