Influence of amorphous phase in LaMgAl11O19 on properties of LaMgAl11O19/YSZ thermal barrier coatings

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成果类型：

期刊论文

作者：

Wang, Yajun;Ma, Xinxin*;Ma, Rui;Tang, Guangze;Sun, Junbin;...

通讯作者：

Ma, Xinxin

作者机构：

[Wang, Yajun; Tang, Guangze] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China.

[Wang, Yajun; Ma, Rui] Beijing Power Machinery Inst, Beijing 100074, Peoples R China.

[Ma, Xinxin] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China.

[Sun, Junbin] Hengyang Normal Univ, Coll Chem & Mat Sci, Hengyang 421008, Peoples R China.

[Cao, Xueqiang] Wuhan Univ Technol, State Key Lab Silicate Mat Architecture, Wuhan 430070, Peoples R China.

通讯机构：

[Ma, Xinxin] H

Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China.

语种：

英文

关键词：

Amorphous;Rare earths hexaaluminates;Thermal barrier coatings

期刊：

Ceramics International

ISSN：

0272-8842

年：

2021

卷：

期：

页码：

9188-9193

DOI：

10.1016/j.ceramint.2020.12.044

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51902092]

机构署名：

本校为其他机构

院系归属：

化学与材料科学学院

摘要：

Double ceramic layer thermal barrier coatings (DCL-TBCs) of LaMgAl11O19/YSZ (LMA/YSZ) were prepared by atmospheric plasma spraying (APS). Composition, microstructure and phase stability of coatings were analyzed by X-ray diffraction (XRD), scanning electron microscope (SEM) and differential scanning calorimetry (DSC). The amorphous phase content of LMA coating increased with increasing the plasma gun current from 350 A to 650 A. The DCL-TBCs of LMA/YSZ whose LMA coating was prepared with a plasma gun current of 600 A (600LMA/YSZ) had the lower amorphous phase content, an excellent thermal insu...

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Influence of amorphous phase in LaMgAl11O19 on properties of LaMgAl11O19/YSZ thermal barrier coatings

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