IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v16y2023i20p7126-d1261780.html
   My bibliography  Save this article

Analysis of Hydrogen Distribution and Diffusion in Pre-Strained SUS316L through Scanning Kelvin Probe Force Microscopy and Thermal Desorption Spectroscopy

Author

Listed:
  • Shuanghe Chi

    (Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China)

  • Jinxing Guo

    (Xi’an Aerospace Propulsion Institute, Xi’an 710077, China)

  • Zhengli Hua

    (Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China)

  • Juan Shang

    (Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China)

  • Baihui Xing

    (Institute of Process Equipment, Zhejiang University, Hangzhou 310027, China)

Abstract

Austenitic stainless steels (γ-SS) play an important role in the storage of high-pressure hydrogen. However, hydrogen embrittlement (HE) can significantly degrade the mechanical properties of γ-SS. Measuring the distribution of hydrogen in γ-SS is a vital way to learn about HE. In this paper, scanning Kelvin probe force microscopy (SKPFM) and thermal desorption spectroscopy (TDS) have been utilized to analyze the distribution and diffusion of hydrogen in pre-strained SUS316L. Additionally, the McNabb–Foster model is employed to calculate hydrogen in the lattice and phase boundaries along the sample’s thickness direction. The results demonstrate that the combination of SKPFM and TDS is an effective approach for studying hydrogen distribution and diffusion in metals. It was observed that hydrogen segregation occurs at the boundary between the martensitic (α′) and austenite (γ) phases. The inhibitory effect of the oxide film on hydrogen diffusion is more significant at lower temperatures. However, it should be noted that the McNabb–Foster model exhibits relatively high accuracy in predicting hydrogen desorption at higher temperatures while disregarding the influence of the native oxide film.

Suggested Citation

  • Shuanghe Chi & Jinxing Guo & Zhengli Hua & Juan Shang & Baihui Xing, 2023. "Analysis of Hydrogen Distribution and Diffusion in Pre-Strained SUS316L through Scanning Kelvin Probe Force Microscopy and Thermal Desorption Spectroscopy," Energies, MDPI, vol. 16(20), pages 1-11, October.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:20:p:7126-:d:1261780
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/16/20/7126/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/16/20/7126/
    Download Restriction: no
    ---><---

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:16:y:2023:i:20:p:7126-:d:1261780. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.