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Thermal barrier coatings (TBCs) are ceramic coatings with a good thermal barrier effect at high temperatures, and have some important applications in the thermal protection of gas turbines, internal combustion engines, rocket engines and other high-temperature environments. Zirconia stabilized by rare-earth or alkaline earth oxides are used for nearly 60 a, and yttria stabilized zirconia (YSZ) is the mostly used material. Since last two decades, many materials are developed, i.e., nano-YSZ, rare earth zirconates, rare-earth aluminates, rare-earth tantanates, alkaline earth zirconates, etc.. New TBC materials have lower thermal conductivities, better sintering resistances and similar or larger thermal expansion coefficients, but much lower fracture toughness, more complicated compositions and therefore much shorter thermal cycling life rather than YSZ. In order to improve the durability of the TBC materials for high-temperature applications, the coating deposition process should be controlled effectively to keep a stoichiometric composition and the double-ceramic-layer (DCL) coatings could be applied.

, authors=Xueqiang CAO, authorsList=Xueqiang CAO, authorCompany=null, correspAuthors=null, authorNote=

CAO Xueqiang (1964-), male, Professor. E-mail:

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热障涂层是高温下具有良好隔热性能的陶瓷涂层,在燃气轮机、内燃机、火箭发动机和其他高温热防护方面有重要应用。稀土或碱土金属氧化物稳定的氧化锆热障涂层材料已应用近60 a,其中最常用的是氧化钇稳定的氧化锆(YSZ)。近20 a,国内外发现了许多新材料,如稀土锆酸盐、铝酸盐和钽酸盐等。与YSZ相比,新材料在高温稳定性、热导率、抗烧结或热膨胀性能方面有优势,但断裂韧性低、成分复杂、单一陶瓷层的热循环寿命短。为了提高新型热障涂层的寿命,要严格控制涂层的制备过程、保持化学计量比,采用双陶瓷层结构的涂层。

, authors=曹学强, authorsList=曹学强, authorCompany=null, correspAuthors=null, authorNote=

曹学强(1964—),男,教授。

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CAO Xueqiang (1964-), male, Professor. E-mail:

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曹学强(1964—),男,教授。

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曹学强(1964—),男,教授。

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硅酸盐学报 |综合评述 2020 , 48 (10) : 1622 -1635
新型热障涂层材料研究进展
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曹学强
作者信息
  • 武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070
作者简介:

曹学强(1964—),男,教授。

Development on New Thermal Barrier Coating Materials
Xueqiang CAO
Affiliations
  • State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
  • CAO Xueqiang (1964-), male, Professor. E-mail:

出版时间: 2020-10-20 doi: 10.14062/j.issn.0454-5648.20200287
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热障涂层是高温下具有良好隔热性能的陶瓷涂层,在燃气轮机、内燃机、火箭发动机和其他高温热防护方面有重要应用。稀土或碱土金属氧化物稳定的氧化锆热障涂层材料已应用近60 a,其中最常用的是氧化钇稳定的氧化锆(YSZ)。近20 a,国内外发现了许多新材料,如稀土锆酸盐、铝酸盐和钽酸盐等。与YSZ相比,新材料在高温稳定性、热导率、抗烧结或热膨胀性能方面有优势,但断裂韧性低、成分复杂、单一陶瓷层的热循环寿命短。为了提高新型热障涂层的寿命,要严格控制涂层的制备过程、保持化学计量比,采用双陶瓷层结构的涂层。

热障涂层  /  稀土  /  氧化锆  /  锆酸盐  /  铝酸盐

Thermal barrier coatings (TBCs) are ceramic coatings with a good thermal barrier effect at high temperatures, and have some important applications in the thermal protection of gas turbines, internal combustion engines, rocket engines and other high-temperature environments. Zirconia stabilized by rare-earth or alkaline earth oxides are used for nearly 60 a, and yttria stabilized zirconia (YSZ) is the mostly used material. Since last two decades, many materials are developed, i.e., nano-YSZ, rare earth zirconates, rare-earth aluminates, rare-earth tantanates, alkaline earth zirconates, etc.. New TBC materials have lower thermal conductivities, better sintering resistances and similar or larger thermal expansion coefficients, but much lower fracture toughness, more complicated compositions and therefore much shorter thermal cycling life rather than YSZ. In order to improve the durability of the TBC materials for high-temperature applications, the coating deposition process should be controlled effectively to keep a stoichiometric composition and the double-ceramic-layer (DCL) coatings could be applied.

thermal barrier coatings  /  rare earths  /  zirconia  /  zirconate  /  aluminate
曹学强. 新型热障涂层材料研究进展. 硅酸盐学报, 2020 , 48 (10) : 1622 -1635 . DOI: 10.14062/j.issn.0454-5648.20200287
Xueqiang CAO. Development on New Thermal Barrier Coating Materials[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (10) : 1622 -1635 . DOI: 10.14062/j.issn.0454-5648.20200287
  • 国家科技重大专项(2017-VI-0010-0081)
  • 中央高校基本科研业务费专项资金(203134004)
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doi: 10.14062/j.issn.0454-5648.20200287
  • 接收时间:2020-04-20
  • 首发时间:2026-10-29
  • 出版时间:2020-10-20
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  • 收稿日期:2020-04-20
  • 修回日期:2020-05-10
基金
国家科技重大专项(2017-VI-0010-0081)
中央高校基本科研业务费专项资金(203134004)
作者信息
    武汉理工大学,硅酸盐建筑材料国家重点实验室,武汉 430070
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200287
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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