综述了国内外稀土锆酸盐热障涂层在制备技术，纳米涂层，涂层结构及涂层的热物理性能、力学性能及热腐蚀性能等方面的研究成果，讨论了稀土锆酸盐热障涂层在每个方面研究存在的不足。指出未来应该进一步改善稀土锆酸盐涂层的制备工艺及后处理工艺，提高涂层的结合强度，延长涂层的服役寿命，改善涂层耐腐蚀、抗烧结等性能；开发新的涂层制备工艺，重点研究各类纳米稀土锆酸盐涂层的性能；进一步提高涂层的隔热效果、服役温度及工作寿命。
Searching for new ceramic materials is the most feasible method in order to resolve the defects of current thermal barrier coatings. The A2 Zr2 O7-type rare earth zirconates are regarded as the most potential candidate ceramic materials for thermal barrier coatings because of their low thermal conductivities, high thermal expansion coefficients and excellent phase stability at high temperatures. Rare-earth zirconate coatings are one of the key-research directions in thermal barrier coating field. In the current paper, the research progress at home and abroad, such as coating preparing technology, coating structure, coating properties inclu-ding thermophysical properties, mechanics and thermal erosion, were systemically summarized. The development deficiencies of rare-earth zirconate thermal barrier coatings were investigated. In the future, the preparing and post-treatment technology of rare-earth zirconate coatings should be improved. The bonding strength, working lifetime, corrosion and sintering resistance of new ther-mal barrier coatings should also be enhanced. In order to study coating properties of nano-structure thermal barrier coatings, new preparing technology must be developed. The thermal insulation, working temperature and lifetime of new thermal barrier coatings should also be improved.
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