In situ characterization of high-temperature mechanical behaviors of freestanding Si, BSAS and Yb2SiO5 environmental barrier coatings by three-point bending tests based on digital image correlation

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成果类型：

期刊论文

作者：

Xizhi Fan;Xixing Deng;Weiguo Mao;Zhangji Luo;Wenjie Ye;...

通讯作者：

Weiguo Mao<&wdkj&>Cuiying Dai

作者机构：

[Xixing Deng; Weiguo Mao; Zhangji Luo; Wenjie Ye; Cuiying Dai] College of Materials Science and Engineering, Changsha University & Science and Technology, Hunan, 410114, China

Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, National University of Defense Technology, Changsha, 410073, China

Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Changsha University of Science and Technology, Changsha 410114, Hunan, China

[Xizhi Fan] College of Materials Science and Engineering, Changsha University & Science and Technology, Hunan, 410114, China<&wdkj&>Science and Technology on Advanced Ceramic Fibers and Composites Laboratory, National University of Defense Technology, Changsha, 410073, China<&wdkj&>Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, Changsha University of Science and Technology, Changsha 410114, Hunan, China

通讯机构：

[Weiguo Mao; Cuiying Dai] C

College of Materials Science and Engineering, Changsha University & Science and Technology, Hunan, 410114, China

语种：

英文

关键词：

Environmental barrier coatings;High-temperature mechanical properties;Three-point bending;Digital image correlation method;In situ characterization

期刊：

Results in Surfaces and Interfaces

ISSN：

2666-8459

年：

2023

卷：

页码：

100130

DOI：

10.1016/j.rsurfi.2023.100130

机构署名：

本校为第一且通讯机构

院系归属：

化学与生物工程学院

材料科学与工程学院

摘要：

The high-temperature mechanical properties and failure mechanisms of Si, BSAS and Yb2SiO5 ceramic materials are important for environmental barrier coatings. The Si coating, BSAS coating and Yb2SiO5 coating were prepared by the atmospheric plasma spray (APS) technique. The elastic modulus, fracture strength and fracture strain are determined by three-point bending combined with the digital image correlation (DIC) method. The results show that as the test temperature increases from 25 °C to 1000 °C, the elastic modulus of the Si coating and Yb...

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In situ characterization of high-temperature mechanical behaviors of freestanding Si, BSAS and Yb2SiO5 environmental barrier coatings by three-point bending tests based on digital image correlation

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