Low-cost Preparation and Characterization of Gd-Yb-YSZ Thermal Barrier Coating AITranslate
Abstract AITranslate
Gd-Yb-YSZ ceramic powder was synthesized with hydrothermal method and carbon spheres were used as the template.The synthetic ceramic powder was coated on the surface of GH4169 superalloy block with commercial ceramic binder,and then subjected to drying and heat treatment to obtain thermal barrier coating.The prepared Gd-Yb-YSZ coating can resist thermal shock for 25 cycles,and its adhesive strength is 32 MPa,higher than that of the YSZ coating prepared by plasma spraying.The average thickness of YSZ coating obtained by plasma spraying is 270 μm.The average thickness of the homemade Gd-Yb-YSZ coating is only 68 μm,but its insulation temperature is 15 ℃ higher than that of the above YSZ coating.The main phase of the Gd-Yb-YSZ coating is Yb0.5Zr0.5O1.75,meaning that the Yb element is likely to be incorporated into the ZrO2 crystal structure,while the Gd element exists as a separate GdO2 phase.Therefore,the improvement in the thermal insulation capacity of the Gd-Yb-YSZ coating may be caused by the incorporation of Yb.
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Basic Information:
DOI：
Chinese Library Classification Number:TB383[一般工业技术—材料科学与工程]
Citation Information:
Gd-Yb-YSZ ceramic powder was synthesized with hydrothermal method and carbon spheres were used as the template.The synthetic ceramic powder was coated on the surface of GH4169 superalloy block with commercial ceramic binder,and then subjected to drying and heat treatment to obtain thermal barrier coating.The prepared Gd-Yb-YSZ coating can resist thermal shock for 25 cycles,and its adhesive strength is 32 MPa,higher than that of the YSZ coating prepared by plasma spraying.The average thickness of YSZ coating obtained by plasma spraying is 270 μm.The average thickness of the homemade Gd-Yb-YSZ coating is only 68 μm,but its insulation temperature is 15 ℃ higher than that of the above YSZ coating.The main phase of the Gd-Yb-YSZ coating is Yb0.5Zr0.5O1.75,meaning that the Yb element is likely to be incorporated into the ZrO2 crystal structure,while the Gd element exists as a separate GdO2 phase.Therefore,the improvement in the thermal insulation capacity of the Gd-Yb-YSZ coating may be caused by the incorporation of Yb.
quote
| GB/T 7714-2015 | [1] ZHANG Shuai, TIAN Jin-long, KONG Qing-mao, et al. Low-cost Preparation and Characterization of Gd-Yb-YSZ Thermal Barrier Coating[J]. Rare Metals and Cemented Carbides, 2019(5): 43-48. |
| MLA | [1] ZHANG Shuai, et al., "Low-cost Preparation and Characterization of Gd-Yb-YSZ Thermal Barrier Coating." Rare Metals and Cemented Carbides, no. 5, 2019, pp. 43-48. |
| APA | [1] ZHANG Shuai, TIAN Jin-long, KONG Qing-mao, CHEN Yang, & SHEN Shao-bo. (2019). Low-cost Preparation and Characterization of Gd-Yb-YSZ Thermal Barrier Coating. Rare Metals and Cemented Carbides(5), 43-48. |
| IEEE | [1] ZHANG Shuai, TIAN Jin-long, KONG Qing-mao, CHEN Yang, and SHEN Shao-bo, "Low-cost Preparation and Characterization of Gd-Yb-YSZ Thermal Barrier Coating," Rare Metals and Cemented Carbides, no. 5, pp. 43-48, 2019. keywords: {thermal barrier coating;Gd-Yb-YSZ coating;low-cost preparation;insulation temperature;adhesive strength;thermal shock resistance} |