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首页> 外文期刊>Corrosion science >Glass-ceramic coatings on titanium alloys for high temperatureoxidation protection: Oxidation kinetics and microstructure
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Glass-ceramic coatings on titanium alloys for high temperatureoxidation protection: Oxidation kinetics and microstructure

机译：钛合金上用于高温氧化保护的玻璃陶瓷涂层：氧化动力学和微观结构

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摘要

A glass-ceramic coating is applied on Ti-6A1-4V alloy for oxidation protection at 800 ℃. Its dynamic oxidation and microstructure evolution are investigated. The titanium alloy substrate is effectively protected by the glass-ceramic coating, of which the oxidation develops at constant rate. The linear relationship of oxidation is deduced dm/dr = Dp(C_1 - C_2)/(bC), and the diffusion coefficient of oxygen at 800 ℃ in glass is obtained. Oxygen diffusion through glass coating is the controlling step. After the initial firing, silicide interlayer forms between the glass coating and titanium alloy substrate, where the ratio of Ti/Si decreases after oxidation due to Si diffusion and Ti consumption.
机译：在Ti-6A1-4V合金上施加玻璃陶瓷涂层以在800℃下进行氧化保护。研究了其动态氧化和微观结构演变。钛合金基材受到玻璃陶瓷涂层的有效保护，该涂层的氧化速率恒定。推导了氧化的线性关系dm / dr = Dp（C_1-C_2）/（bC），得到了氧气在800℃在玻璃中的扩散系数。通过玻璃涂层的氧气扩散是控制步骤。初始烧成后，在玻璃涂层和钛合金基材之间形成硅化物夹层，其中氧化后，由于硅的扩散和钛的消耗，钛/硅的比例降低。

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  • 来源
    《Corrosion science》 |2013年第9期|178-186|共9页
  • 作者

    Minghui Chen; Wenbo Li; Mingli Shen; Shenglong Zhu; Fuhui Wang;

  • 作者单位

    State Key Laboratory for Corrosion and Protection, Institute of Metat Research, Chinese Academy of Sciences, Shenyang 110016, China;

    State Key Laboratory for Corrosion and Protection, Institute of Metat Research, Chinese Academy of Sciences, Shenyang 110016, China;

    State Key Laboratory for Corrosion and Protection, Institute of Metat Research, Chinese Academy of Sciences, Shenyang 110016, China;

    State Key Laboratory for Corrosion and Protection, Institute of Metat Research, Chinese Academy of Sciences, Shenyang 110016, China;

    State Key Laboratory for Corrosion and Protection, Institute of Metat Research, Chinese Academy of Sciences, Shenyang 110016, China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Titanium; A. Class; C. Oxidation;

    机译：A.钛一类;C.氧化;

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