CaO–MgO–Al2O3–SiO2 (CMAS) corrosion behaviour of LaMgAl11O19/GdPO4 thermal barrier coating materials

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成果类型：

期刊论文

作者：

Song, Chenxi;Qi, Xiang;Huang, Ling;Sun, Junbin*;Li, Lizhen;...

通讯作者：

Sun, Junbin;Lu, WH

作者机构：

[Sun, Junbin; Lu, Weihong; Li, Chenguang; Qi, Xiang; Sun, JB; Huang, Ling; Song, Chenxi; Li, Lizhen; Lu, WH] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China.

[Sun, Junbin; Lu, Weihong] Hengyang Normal Univ, Hunan Prov Key Lab Funct Met Organ Cpds, Hengyang 421008, Peoples R China.

[Sun, Junbin; Lu, Weihong] Hengyang Normal Univ, Coll Hunan Prov, Key Lab Organomet New Mat, Hengyang 421008, Peoples R China.

[Sun, Junbin] Hengyang Normal Univ, Hunan Engn Res Ctr Monitoring & Treatment Heavy Me, Hengyang 421008, Peoples R China.

通讯机构：

[Sun, JB; Lu, WH ] H

Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China.

语种：

英文

关键词：

CMAS corrosion;GdPO4

期刊：

Ceramics International

ISSN：

0272-8842

年：

2023

卷：

期：

页码：

26578-26588

DOI：

10.1016/j.ceramint.2023.05.193

基金类别：

National Natural Science Foundation of China [51902092]; Program of Education Department of Hunan Province [21B0640]; Distinguished Young Cadreman of Hunan Province [CX20221209]; Distinguished Young Cadreman of Hengyang Normal University; Distinguished Young Cadreman of Hunan Province; Innovation Project for Postgraduate science research of Hunan Province [CX20221209]

机构署名：

本校为第一且通讯机构

院系归属：

化学与材料科学学院

摘要：

CaO-MgO-Al2O3-SiO2 (CMAS) corrosion poses serious hidden dangers for the application of thermal barrier coatings (TBCs). In this study, LaMgAl11O19 (LMA) and GdPO4 were mixed at molar ratios of 2:1, 1:1 and 1:2 to prepare LMA/GdPO4 materials, and the CMAS corrosion behaviours of these materials were investigated at 1300 & DEG;C-1500 & DEG;C for 20 h and 40 h. It was demonstrated that temperature was the main factor influencing the corrosion behaviours and products. The materials were damaged at 1300 & DEG;C by the crystallization of CMAS melts to form CaAl2Si2O8. In contrast, the materials wer...

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CaO–MgO–Al2O3–SiO2 (CMAS) corrosion behaviour of LaMgAl11O19/GdPO4 thermal barrier coating materials

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