稀土锆酸盐是高温热障涂层与高温固体电解质的候选材料之一,通式为Ln2Zr2O2(Ln为稀土元素),具有烧绿石结构或缺陷型萤石结构;具有高熔点、低热导率、高热膨胀系数、高化学稳定性、相对低的传导温度、优良的离子导电性能和高辐射稳定性等特点,在诸多领域得到广泛应用.综述了目前国内外稀土锆酸盐材料的热物理性能、电学性能和力学性能方面的最新研究进展,展望了未来稀土锆酸盐材料在热障氧化物材料和固体氧化物燃料电池电解质方面的应用前景.
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