Insight into nitriding behavior and corrosion mechanism in 17-4PH steel: The influence of nanocrystalline structure

Dan Liu; Daoxin Liu; Yinghao Wu; Jing Yang; Xingchen Xu; Mengyao Li; Shaolong Li; Amin Ma; Yilong Liang

doi:10.1016/j.jmrt.2023.10.324

Insight into nitriding behavior and corrosion mechanism in 17-4PH steel: The influence of nanocrystalline structure

Dan Liu, Daoxin Liu, Yinghao Wu, Jing Yang, Xingchen Xu, Mengyao Li, Shaolong Li, Amin Ma, Yilong Liang

航空学院

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7 引用（Scopus）

摘要

In this study, the influence of nanocrystalline structure on the plasma nitriding (PN) behavior of 17-4PH steel and corresponding corrosion mechanisms under different treatments were systematically investigated. The results showed that nanocrystalline structures introduced by ultrasonic surface rolling process (USRP) would affect the nitrides morphology, composition and distribution via accelerating element diffusion. The fabricated nanocrystalline structures could enhance the corrosion resistance of original and plasma-nitrided 17-4PH steel, which was attributed to its various microstructures. Homogeneous microstructures suppressed or alleviated the formation of micro-galvanic couple in USRP-treated 17-4PH steel and USRP-15 + PN specimen.

源语言	英语
页（从-至）	3761-3776
页数	16
期刊	Journal of Materials Research and Technology
卷	27
DOI	https://doi.org/10.1016/j.jmrt.2023.10.324
出版状态	已出版 - 1 11月 2023

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title = "Insight into nitriding behavior and corrosion mechanism in 17-4PH steel: The influence of nanocrystalline structure",

abstract = "In this study, the influence of nanocrystalline structure on the plasma nitriding (PN) behavior of 17-4PH steel and corresponding corrosion mechanisms under different treatments were systematically investigated. The results showed that nanocrystalline structures introduced by ultrasonic surface rolling process (USRP) would affect the nitrides morphology, composition and distribution via accelerating element diffusion. The fabricated nanocrystalline structures could enhance the corrosion resistance of original and plasma-nitrided 17-4PH steel, which was attributed to its various microstructures. Homogeneous microstructures suppressed or alleviated the formation of micro-galvanic couple in USRP-treated 17-4PH steel and USRP-15 + PN specimen.",

keywords = "17-4PH steel, Corrosion mechanism, Low-temperature plasma nitriding, Microstructures, Nanocrystalline structure",

author = "Dan Liu and Daoxin Liu and Yinghao Wu and Jing Yang and Xingchen Xu and Mengyao Li and Shaolong Li and Amin Ma and Yilong Liang",

note = "Publisher Copyright: {\textcopyright} 2023 The Authors",

year = "2023",

month = nov,

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doi = "10.1016/j.jmrt.2023.10.324",

language = "英语",

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T1 - Insight into nitriding behavior and corrosion mechanism in 17-4PH steel

T2 - The influence of nanocrystalline structure

AU - Liu, Dan

AU - Liu, Daoxin

AU - Wu, Yinghao

AU - Yang, Jing

AU - Xu, Xingchen

AU - Li, Mengyao

AU - Li, Shaolong

AU - Ma, Amin

AU - Liang, Yilong

PY - 2023/11/1

Y1 - 2023/11/1

N2 - In this study, the influence of nanocrystalline structure on the plasma nitriding (PN) behavior of 17-4PH steel and corresponding corrosion mechanisms under different treatments were systematically investigated. The results showed that nanocrystalline structures introduced by ultrasonic surface rolling process (USRP) would affect the nitrides morphology, composition and distribution via accelerating element diffusion. The fabricated nanocrystalline structures could enhance the corrosion resistance of original and plasma-nitrided 17-4PH steel, which was attributed to its various microstructures. Homogeneous microstructures suppressed or alleviated the formation of micro-galvanic couple in USRP-treated 17-4PH steel and USRP-15 + PN specimen.

AB - In this study, the influence of nanocrystalline structure on the plasma nitriding (PN) behavior of 17-4PH steel and corresponding corrosion mechanisms under different treatments were systematically investigated. The results showed that nanocrystalline structures introduced by ultrasonic surface rolling process (USRP) would affect the nitrides morphology, composition and distribution via accelerating element diffusion. The fabricated nanocrystalline structures could enhance the corrosion resistance of original and plasma-nitrided 17-4PH steel, which was attributed to its various microstructures. Homogeneous microstructures suppressed or alleviated the formation of micro-galvanic couple in USRP-treated 17-4PH steel and USRP-15 + PN specimen.

KW - 17-4PH steel

KW - Corrosion mechanism

KW - Low-temperature plasma nitriding

KW - Microstructures

KW - Nanocrystalline structure

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U2 - 10.1016/j.jmrt.2023.10.324

DO - 10.1016/j.jmrt.2023.10.324

M3 - 文章

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SN - 2238-7854

VL - 27

SP - 3761

EP - 3776

JO - Journal of Materials Research and Technology

JF - Journal of Materials Research and Technology

ER -

Insight into nitriding behavior and corrosion mechanism in 17-4PH steel: The influence of nanocrystalline structure

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