Corrosion behavior of Si-18at%Y alloy in air/water-oxygen environment

IF 7.6 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials & Design Pub Date : 2024-10-01 DOI:10.1016/j.matdes.2024.113352

Jingxin Li, Yongsheng Liu, Fang He, Fan Zhang, Binghui Zhang, Jing Wang, Yejie Cao, Nan Chai

引用次数: 0

Abstract

This work aimed to investigate the corrosion behavior of Si-18at%Y alloys in air oxidation and water-oxygen corrosion environments. The objective was to understand how different times, temperatures, and the presence or absence of water vapor affected the distribution and transformation of the alloy’s phases. The results revealed that extended duration facilitates growth of yttrium silicate, while higher temperature promotes stable phase transformation. The distribution and type of yttrium silicate are influenced by the presence of SiO₂. At lower temperatures, water vapor facilitated the formation of SiO₂, whereas at higher temperatures, it depleted SiO₂ and inhibited the generation of yttrium silicate.

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Si-18at%Y 合金在空气/水-氧环境中的腐蚀行为

这项工作旨在研究 Si-18at%Y 合金在空气氧化和水氧腐蚀环境中的腐蚀行为。目的是了解不同的时间、温度和水蒸气的存在与否如何影响合金相的分布和转变。结果表明，延长时间有利于硅酸钇的生长，而较高的温度则能促进稳定的相变。硅酸钇的分布和类型受二氧化硅存在的影响。在较低温度下，水蒸气促进了二氧化硅的形成，而在较高温度下，水蒸气耗尽了二氧化硅，抑制了硅酸钇的生成。

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来源期刊

Materials & Design Engineering-Mechanical Engineering

CiteScore

14.30

自引率

7.10%

发文量

1028

审稿时长

85 days

期刊介绍： Materials and Design is a multi-disciplinary journal that publishes original research reports, review articles, and express communications. The journal focuses on studying the structure and properties of inorganic and organic materials, advancements in synthesis, processing, characterization, and testing, the design of materials and engineering systems, and their applications in technology. It aims to bring together various aspects of materials science, engineering, physics, and chemistry. The journal explores themes ranging from materials to design and aims to reveal the connections between natural and artificial materials, as well as experiment and modeling. Manuscripts submitted to Materials and Design should contain elements of discovery and surprise, as they often contribute new insights into the architecture and function of matter.