Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings

An Al2O3−TiO2 amorphous composite coating with a thickness of 100−120 μm was fabricated on China low activation martensitic steel (CLAM steel) by oxygen acetylene flame spraying technology and the laser...

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Main Authors:	Yong Chen, Liangbin Hu, Changjun Qiu, Bin He, Lihua Zhou, Jing Zhao, Yanxi Li
Format:	Article
Language:	English
Published:	MDPI AG 2019-08-01
Series:	Coatings
Subjects:	multiphase ceramic coatings temperature of LBE corrosion LBE corrosion resistance
Online Access:	https://www.mdpi.com/2079-6412/9/9/543

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record_format	Article
spelling	doaj-13b3c6aa01ae4e99aa81d011a8d0bfc82020-11-25T01:08:14ZengMDPI AGCoatings2079-64122019-08-019954310.3390/coatings9090543coatings9090543Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic CoatingsYong Chen0Liangbin Hu1Changjun Qiu2Bin He3Lihua Zhou4Jing Zhao5Yanxi Li6School of Mechanical Engineering, University of South China, Hengyang 421001, ChinaSchool of Mechanical Engineering, University of South China, Hengyang 421001, ChinaSchool of Mechanical Engineering, University of South China, Hengyang 421001, ChinaSchool of Mechanical Engineering, University of South China, Hengyang 421001, ChinaThe 404 Company, China National Nuclear Corporation, Jiayuguan 7351000, ChinaThe 404 Company, China National Nuclear Corporation, Jiayuguan 7351000, ChinaDepartment of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USAAn Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coating with a thickness of 100−120 μm was fabricated on China low activation martensitic steel (CLAM steel) by oxygen acetylene flame spraying technology and the laser in-situ reaction method. We investigated the microstructures and mechanical properties of the coating after liquid lead-bismuth eutectic (LBE) alloy corrosion under different temperatures for 300 h and found that the corrosion temperature of the LBE had no observable effect on the microstructure and chemical phase of the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coatings. However, the mechanical properties (micro-hardness and shear strength) of the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> multiphase coating deteriorated slightly with the increase in the immersion temperature of the LBE. As a result of oxygen acetylene flame spraying and laser in-situ reaction technology, it was found that the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coating exhibits an excellent LBE corrosion resistance, which is a candidate structural material for the accelerator-driven subcritical system (ADS) to handle nuclear waste under extreme conditions.https://www.mdpi.com/2079-6412/9/9/543multiphase ceramic coatingstemperature of LBE corrosionLBE corrosion resistance
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Yong Chen Liangbin Hu Changjun Qiu Bin He Lihua Zhou Jing Zhao Yanxi Li
spellingShingle	Yong Chen Liangbin Hu Changjun Qiu Bin He Lihua Zhou Jing Zhao Yanxi Li Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings Coatings multiphase ceramic coatings temperature of LBE corrosion LBE corrosion resistance
author_facet	Yong Chen Liangbin Hu Changjun Qiu Bin He Lihua Zhou Jing Zhao Yanxi Li
author_sort	Yong Chen
title	Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings
title_short	Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings
title_full	Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings
title_fullStr	Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings
title_full_unstemmed	Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings
title_sort	influence of lbe temperatures on the microstructure and properties of crystalline and amorphous multiphase ceramic coatings
publisher	MDPI AG
series	Coatings
issn	2079-6412
publishDate	2019-08-01
description	An Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coating with a thickness of 100−120 μm was fabricated on China low activation martensitic steel (CLAM steel) by oxygen acetylene flame spraying technology and the laser in-situ reaction method. We investigated the microstructures and mechanical properties of the coating after liquid lead-bismuth eutectic (LBE) alloy corrosion under different temperatures for 300 h and found that the corrosion temperature of the LBE had no observable effect on the microstructure and chemical phase of the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coatings. However, the mechanical properties (micro-hardness and shear strength) of the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> multiphase coating deteriorated slightly with the increase in the immersion temperature of the LBE. As a result of oxygen acetylene flame spraying and laser in-situ reaction technology, it was found that the Al<sub>2</sub>O<sub>3</sub>−TiO<sub>2</sub> amorphous composite coating exhibits an excellent LBE corrosion resistance, which is a candidate structural material for the accelerator-driven subcritical system (ADS) to handle nuclear waste under extreme conditions.
topic	multiphase ceramic coatings temperature of LBE corrosion LBE corrosion resistance
url	https://www.mdpi.com/2079-6412/9/9/543
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Influence of LBE Temperatures on the Microstructure and Properties of Crystalline and Amorphous Multiphase Ceramic Coatings

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