Application of electroconsolidation of powder components for production of ultradenced ceramics Al2O3 and ZrO2 (3% Y2O3)
Keywords:
electroconsolidation, ceramic materials, mechanical properties, thermal shock resistance, microstructure, SEM analysis
Abstract
The possibility of application of electroconsolidation for production of ultradenced ceramics based on Al2O3 and ZrO2 (3% Y2O3) compounds is studied. As a result of the conducted researches optimum values of process temperature at which the best parameters of Al2O3 and ZrO2 (3% Y2O3) ceramic properties are reached: the apparent density – 3.98 and 6.08 g/cm3, bending strength – 350 and 800 MPa, fracture toughness – 4.0 and 8.0 МPa⋅m0.5 respectively are established. The researches of a ceramics microstructure are found that high parameters of Al2O3 and ZrO2 (3% Y2O3) properties are defined by dense and fine-crystalline structure.
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References
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Medvedovski E., R.J. Liewellyn Oxide ceramics for abrasion and erosion resistance applications //Interceram.– 2002.– Vol. 51, № 2.– P. 120-126.
Svitlychniy Y.O. Corundum ceramics, modified zirconia, with increased strength and thermal shock resistance. – Avtoref. Cand. Tech. Sci.: 05.17.11. National Technological University “Kharkovskiy Polytechnical Institute”. – Kharkiv, 2006. – 20 p.
Prokhorov I., Akimov G., Timchenko V. M Cold isostatic pressing as a way of receiving highstrength ceramic materials on the basis of ZrO2 //Refractory and technical ceramics. – 1997. – № 8. – P. 12–17.
Garshin A.P., Gropyanov V. M., Zaytsev G.P., Semenov S.S. Machine-building ceramics. – SPb.: GTU, 1997. – 726 p. 6. Strelov K.K. Theoretical bases of technology of refractory materials. – M: Metallurgy, 1985. – 480 p.
Goldberger W.M., Fessler R.R. The development of Non-Intrusive Methods of Sensing and Control of Densification During Electroconsolidation// Advances In Process Measurements for the Ceramic Industry, Westerville, Ohio. – 1999. – P. 337.
Zhang J., Zavaliangos A., Groza J. R. Field activated sintering techniques: a comparison and contrast//P/M Science & Technology Brief. – 2003. – Vol. 5, № 3. – P. 17-21.
Project UNTC Р-154. Htpp: //www.stcu.int.
Published
2017-07-21
How to Cite
Sayenko, S. Y., Svitlychniy, E. O., & Lobach, K. V. (2017). Application of electroconsolidation of powder components for production of ultradenced ceramics Al2O3 and ZrO2 (3% Y2O3). Journal of Surface Physics and Engineering, 11(3), 285 - 288. Retrieved from https://periodicals.karazin.ua/pse/article/view/8761
Section
Статті
У відповідності з типовим шаблоном.
