CMAS resistance characteristics of multi-components rare earth phosphate materials at 1250°C and 1350°C

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成果类型：

期刊论文

作者：

Li, Lizhen;Sun, Junbin*;Li, Chenguang;Lu, Weihong;Xu, Zhifeng

通讯作者：

Sun, Junbin;Xu, ZF

作者机构：

[Sun, Junbin; Lu, Weihong; Li, Chenguang; Xu, Zhifeng; Sun, JB; Li, Lizhen] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China.

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

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

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

通讯机构：

[Xu, ZF ; Sun, JB] H

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

Hengyang Normal Univ, Hunan Prov Key Lab Funct Met Organ Cpds, Hengyang 421008, Peoples R China.

语种：

英文

关键词：

Calcium-magnesium-alumina-silicate (CMAS);Thermal barrier coatings (TBCs);Rare earth phosphate

期刊：

Ceramics International

ISSN：

0272-8842

年：

2023

卷：

期：

页码：

39369-39383

DOI：

10.1016/j.ceramint.2023.09.281

基金类别：

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

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：

Calcium-magnesium-alumina-silicate (CMAS) attack is a major challenge for thermal barrier coatings (TBCs) during the application. In this work, four rare earth phosphates materials including (La0.2Nd0.2Sm0.2Eu0.2Gd0.2) PO4, (La0.5Nd0.5)PO4, (La0.5Gd0.5)PO4 and (Nd0.5Gd0.5)PO4 were synthesized by chemical co-precipitation. The resistance behaviors to CMAS of the materials were investigated at 1250 degrees C and 1350 degrees C for 5 h, 10 h and 20 h, respectively. Results show that the main corrosion products are the apatite compounds (Ca2+xRe8-x(PO4)x(SiO4)6-xO2) and the Ca3(PO4)2. Increasing t...

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CMAS resistance characteristics of multi-components rare earth phosphate materials at 1250°C and 1350°C

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