稀土盐类热障/环境障涂层研究现状

doi:10.3969/j.issn.1001-1935.2023.02.019

耐火材料 ›› 2023, Vol. 57 ›› Issue (2): 175-179.DOI: 10.3969/j.issn.1001-1935.2023.02.019

稀土盐类热障/环境障涂层研究现状

刘涛, 马北越, 昝文宇

东北大学冶金学院辽宁沈阳 110819

收稿日期:2022-05-08 出版日期:2023-04-15 发布日期:2023-04-17
作者简介:刘涛:男,1998年生,硕士研究生。E-mail:3215617410@qq.com
基金资助:
国家自然科学基金资助(U21A2057)。

Research status of rare earth salt thermal barrier/environmental barrier coatings

Liu Tao, Ma Beiyue, Zan Wenyu

First author’s address: School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China

Received:2022-05-08 Online:2023-04-15 Published:2023-04-17

摘要/Abstract

摘要： 随着航空航天等领域热端部件表面热障/环境障涂层的服役环境越来越恶劣,对涂层的性能要求显著提高,作为目前广泛应用的Y₂O₃部分稳定的ZrO₂(YSZ)材料,已经不能完全满足使用要求,所以开发新型兼具优异性能可用于高温环境的涂层材料日益重要。稀土盐类材料作为新型热障/环境障涂层材料,因其复杂的结构、低热导率和高热膨胀系数等优点,而被国内外学者广泛关注和研究。因此,综述了几种稀土盐类涂层材料的晶体结构、力学性能、热学性能,展望其发展前景。

关键词: 稀土盐类, 力学性能, 热学性能, 热障涂层, 环境障涂层

Abstract: With the increasingly harsh service environment of thermal barrier/environmental barrier coatings on the surface of hot end components in aerospace and other fields,the performance requirements of the coatings increase obviously.As a widely used material at present,Y₂O₃ partially stabilized ZrO₂ (YSZ) cannot fully meet the application requirements.Therefore,it is increasingly important to develop new coating materials with excellent performance for high temperature environment.As a new type of thermal barrier/environmental barrier coating materials,rare earth salts have been widely concerned and studied in China and at abroad because of their complex structure,low thermal conductivity and high thermal expansion coefficient.Therefore,the crystal structure,the mechanical properties and the thermal properties of several rare earth salt coating materials were reviewed,and their development was prospected.

Key words: rare earth salts, mechanical properties, thermal properties, thermal barrier coatings, environmental barrier coatings

中图分类号:

TQ175

刘涛, 马北越, 昝文宇. 稀土盐类热障/环境障涂层研究现状[J]. 耐火材料, 2023, 57(2): 175-179.

Liu Tao, Ma Beiyue, Zan Wenyu. Research status of rare earth salt thermal barrier/environmental barrier coatings[J]. Refractories, 2023, 57(2): 175-179.

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稀土盐类热障/环境障涂层研究现状

Research status of rare earth salt thermal barrier/environmental barrier coatings

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