
Effect of Al2O3 modification on the properties of YSZ: Corrosion ...
2019年1月15日 · Al 2 O 3 -modified YSZ (Y 2 O 3 -stabilised ZrO 2) coatings can resist it. Here, the effect of the Al 2 O 3 content in YSZ on the resistance of CMAS corrosion was investigated by means of differential scanning calorimetry (DSC), X-ray diffraction (XRD) and wetting tests.
Microstructure and thermal & mechanical properties of La2Zr2O7@YSZ …
2020年3月1日 · Differential scanning calorimetry (DSC) was used to detect the heat change of the composite ceramic during heat treatment. The properties of the La 2 Zr 2 O 7 @YSZ composite ceramic, such as the thermal conductivity, coefficient of thermal expansion (CTE), and mechanical properties were investigated using a laser flash method, high-temperature ...
Heat treatment induced phase transformations in zirconia and …
2019年7月1日 · Herein, we investigate the thermally induced phase transitions of ZrO 2 and yttria-stabilized zirconia (YSZ) monolithic aerogels. All aerogels were produced by an acid-catalyzed sol-gel technique and subsequent supercritical drying (SCD). A complete reaction mechanism is proposed for the formation of the wet gel network.
Temperature dependent electrical properties of YSZ synthesized …
2020年9月12日 · In the present work, Yttria Stabilized Zirconia (YSZ) was synthesized rapidly through microwave combustion. Subsequently, the synthesized YSZ was conventional sintered at different temperatures, ranging from 1200 to 1400 ºC at 50 °C intervals. X-ray diffraction results confirmed that the synthesized YSZ belongs to the cubic phase.
Synthesis and Characterization of Yttria-Stabilized Zirconia (YSZ) …
2016年4月22日 · The synthesized YSZ nano-clusters were characterized by TG, DSC, FT-IR XRD, Raman spectroscopy and TEM in order to evaluate the crystal structure, thermal behavior and morphological assessment of the final nano-clusters produced by this method.
TG-DSC curves of the La-YSZ powder - ResearchGate
La2O3 and Y2O3 co-doped ZrO2 (La-YSZ) TBCs and yttria-stabilized zirconia (YSZ) TBCs were deposited by atmospheric plasma spraying (APS), and the comprehensive effects of La3+ on the ...
Yttria-stabilized zirconia crystallization in Al2O3/YSZ multilayers ...
2012年3月1日 · In the present study, we investigated the effect of interfaces on the YSZ crystallization process in YSZ/Al 2 O 3 multilayers using DSC. Compared to Al 2 O 3, the transition of amorphous YSZ is more distinct, occurs at lower temperatures, and produces only one crystalline phase.
TGA/DSC curves for YSZ burned gel at 5 °C/min in air
In this study, nano-YSZ was produced using a wet chemical method to improve the phase stability of micro-YSZ. The phase stability of both synthesized nano-YSZ and commercially available...
Thermal properties and phase stability of Yttria-Stabilized Zirconia ...
2018年3月1日 · Characterization techniques including high-temperature XRD (up to 1050 °C), Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) (up to 1300 °C) allowed assessing the changes in phase contents, specific heat, thermal conductivity and enthalpy of the TC.
燃气热循环下7YSZ热障涂层的微结构演变与阻抗谱特征
2017年10月13日 · 交流阻抗谱是常用的一种电化学测试技术,该方法对体系无损,对所研究体系的物理化学性能变化敏感,且其监测频率范围宽广,已广泛地应用于研究电极过程动力学、电极表面现象以及测定固体电解质电导率等方面 [9]。 热障涂层的YSZ陶瓷层为典型的固体氧化物电解质材料,氧离子空位在高温下的电导率非常高,在燃料电池领域采用阻抗谱技术研究其电学性能已非常 …