Study on Thermal Shock Resistance of Plasma Sprayed ZrO2 Coating |
( Volume 6 Issue 7,July 2019 ) OPEN ACCESS |
Author(s): |
Yuan Donglin, Li Wenge, Zhao Yuantao |
Abstract: |
In this paper, the research progress of thermal shock resistance of zirconia ceramic materials is summarized, and the effects of different stabilizers on the thermal shock resistance of zirconia ceramic materials are briefly described. Through research, it is found that when adding cerium oxide with a mass fraction of 5.5% in the zirconia ceramic coating, the thermal expansion property of the coating can be minimized to improve the thermal shock resistance of the coating.; A 25% mass fraction of CeO2 is dissolved in the nano-yttria partially stabilized zirconia coating to form a stable tetragonal phase compound, which improves the thermal shock resistance of the coating.; adding a mass fraction of 3.0% SiO2 to the zirconia ceramic coating, the coating produces uniform pores, The modulus of elasticity and the stresses received are minimal, making the coating best resistant to thermal shock. |
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