Abstract: Neodymium zirconate (Nd₂Zr₂O₇, NZ) and CeO₂-Nd₂O₃-ZrO₂ (NCZ) ceramics were synthesized by the chemical precipitation method. The chemical compositions of the powders were nalyzed by means of Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES). Differential Scanning Calorimetry (DSC), TG and XRD were used to analyze the crystallogrphic phase and the phase stability of NCZ. The Hall flowmeter was performed to determine the flowability of NCZ powder. High-temperature dilatometer, DSC and laser thermal diffusivity methods were used to analyze its thermal expansion coefficient (TEC), thermal conductivity. The results show that the compositions of all prepared ceramic powders are in the range of the synthesis of Nd₂ ZrO₇ with pyrochlore structure, the ceramic powders are amorphous mixed oxide at 120℃, composite oxide at 900℃, Nd₂ ZrO₇ with pyrochlore structure at 1200℃. The NCZ powders keep the pyrochlore structure and there is no phase transformations for NCZ at high temperatures (～1300℃). The flowability of NCZ powder sintered at 1400℃ is improved clearly. TEC of the NCZ ceramic is slightly higher than that of conventional Y₂O₃ 8wt ZrO₂ (YSZ) and the thermal conductivity of the ceramic is much lower than that of YSZ, which indicates that NCZ may be an excellent material for preparing thermal barrier coatings.