New insight into the role of microscale residual stresses on initial corrosion behavior of Ti35 alloy

Jianping Xu; Chengze Liu; Jinping Wu; Huan Li; Boyi Qi; Di Zhang; Yusheng Zhang; Yongqing Zhao; Lian Zhou

doi:10.1016/j.corsci.2022.110491

New insight into the role of microscale residual stresses on initial corrosion behavior of Ti35 alloy

Jianping Xu, Chengze Liu, Jinping Wu, Huan Li, Boyi Qi, Di Zhang, Yusheng Zhang, Yongqing Zhao, Lian Zhou

科研成果: 期刊稿件 › 文章 › 同行评审

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The effect of microscale residual stresses on the initial corrosion behavior of Ti35 alloys in boiling nitric acid solutions was investigated using a combination of electrochemical and immersion tests. The concentration of microscale residual stresses 48 h before corrosion accelerated the dissolution of Ti²⁺, Ti³⁺, and Ta⁵⁺, as determined by electrochemical impedance spectroscopy measurements and quantitative X-ray photoelectron spectroscopy analysis. After 48 h, the formation of oxide films with consistent compositions and contents (TiO₂-51%, Ti₂O₃-47%, and Ta₂O₅-1.9%) prevented the corrosion medium from reaching the outer surface of the metal matrix, reducing the effect of residual stresses on the corrosion behavior.

源语言	英语
文章编号	110491
期刊	Corrosion Science
卷	206
DOI	https://doi.org/10.1016/j.corsci.2022.110491
出版状态	已出版 - 9月 2022
已对外发布	是

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title = "New insight into the role of microscale residual stresses on initial corrosion behavior of Ti35 alloy",

abstract = "The effect of microscale residual stresses on the initial corrosion behavior of Ti35 alloys in boiling nitric acid solutions was investigated using a combination of electrochemical and immersion tests. The concentration of microscale residual stresses 48 h before corrosion accelerated the dissolution of Ti2+, Ti3+, and Ta5+, as determined by electrochemical impedance spectroscopy measurements and quantitative X-ray photoelectron spectroscopy analysis. After 48 h, the formation of oxide films with consistent compositions and contents (TiO2-51%, Ti2O3-47%, and Ta2O5-1.9%) prevented the corrosion medium from reaching the outer surface of the metal matrix, reducing the effect of residual stresses on the corrosion behavior.",

keywords = "Corrosion behavior, Nitric acid, Reprocessing, Residual stress, Ti35 alloy",

author = "Jianping Xu and Chengze Liu and Jinping Wu and Huan Li and Boyi Qi and Di Zhang and Yusheng Zhang and Yongqing Zhao and Lian Zhou",

note = "Publisher Copyright: {\textcopyright} 2022 Elsevier Ltd",

year = "2022",

month = sep,

doi = "10.1016/j.corsci.2022.110491",

language = "英语",

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T1 - New insight into the role of microscale residual stresses on initial corrosion behavior of Ti35 alloy

AU - Xu, Jianping

AU - Liu, Chengze

AU - Wu, Jinping

AU - Li, Huan

AU - Qi, Boyi

AU - Zhang, Di

AU - Zhang, Yusheng

AU - Zhao, Yongqing

AU - Zhou, Lian

PY - 2022/9

Y1 - 2022/9

N2 - The effect of microscale residual stresses on the initial corrosion behavior of Ti35 alloys in boiling nitric acid solutions was investigated using a combination of electrochemical and immersion tests. The concentration of microscale residual stresses 48 h before corrosion accelerated the dissolution of Ti2+, Ti3+, and Ta5+, as determined by electrochemical impedance spectroscopy measurements and quantitative X-ray photoelectron spectroscopy analysis. After 48 h, the formation of oxide films with consistent compositions and contents (TiO2-51%, Ti2O3-47%, and Ta2O5-1.9%) prevented the corrosion medium from reaching the outer surface of the metal matrix, reducing the effect of residual stresses on the corrosion behavior.

AB - The effect of microscale residual stresses on the initial corrosion behavior of Ti35 alloys in boiling nitric acid solutions was investigated using a combination of electrochemical and immersion tests. The concentration of microscale residual stresses 48 h before corrosion accelerated the dissolution of Ti2+, Ti3+, and Ta5+, as determined by electrochemical impedance spectroscopy measurements and quantitative X-ray photoelectron spectroscopy analysis. After 48 h, the formation of oxide films with consistent compositions and contents (TiO2-51%, Ti2O3-47%, and Ta2O5-1.9%) prevented the corrosion medium from reaching the outer surface of the metal matrix, reducing the effect of residual stresses on the corrosion behavior.

KW - Corrosion behavior

KW - Nitric acid

KW - Reprocessing

KW - Residual stress

KW - Ti35 alloy

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DO - 10.1016/j.corsci.2022.110491

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VL - 206

JO - Corrosion Science

JF - Corrosion Science

M1 - 110491

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New insight into the role of microscale residual stresses on initial corrosion behavior of Ti35 alloy

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