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説明:

Hydrogen outgassing from a metal surface and a coated metal surface was visualized by two-dimensional mapping of hydrogen ions desorbed upon scanning electron beam irradiation. The samples used were stainless steel covered with a dense chromium oxide layer, and a reference surface of stainless steel. The coating layer was made by using the segregation phenomenon of the metal. Outgassing of hydrogen was detected from the holelike defects on the treated surface. However, hydrogen was not released from all the holelike defects seen in the SEM image. The outgassing positions were positions without chromium, but not all areas without chromium and/or oxygen coincided with outgassing positions.

権利情報:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

キーワード: Hydrogen visualization, Operando Hydrogen Microscope, Surface treatment, Segregation layer

刊行年月日: 2019-06-17

出版者: Elsevier BV

掲載誌:

• APPLIED SURFACE SCIENCE (ISSN: 01694332) vol. 492 p. 280-284

研究助成金:

• JSPS 18H03849

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.5353

公開URL: https://doi.org/10.1016/j.apsusc.2019.06.172

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更新時刻: 2025-03-04 16:30:21 +0900

MDRでの公開時刻: 2025-03-04 16:30:21 +0900