Highly sensitive secondary ion mass spectrometric analysis of time variation of hydrogen spatial distribution in austenitic stainless steel at room temperature in vacuum

Tohru Awane, Yoshihiro Fukushima, Takashi Matsuo, Yukitaka Murakami, Shiro Miwa

研究成果: ジャーナルへの寄稿記事

9 引用 (Scopus)

抄録

Hydrogen contained in austenitic stainless steel is classified as diffusible or nondiffusible. The hydrogen distribution in austenitic stainless steel changes with time owing to hydrogen diffusion at room temperature, and such changes in hydrogen distribution cause the mechanical properties of the steel to change as well. It is therefore important to analyze the time variation of the hydrogen distribution in austenitic stainless steel at room temperature to elucidate the effects of hydrogen on the steel's mechanical properties. In this study, we used secondary ion mass spectrometry (SIMS), a highly sensitive detection method, to analyze the time variation of the distribution of hydrogen charged into 316L austenitic stainless steel. SIMS depth profiles of hydrogen that were acquired at the three measurement times were analyzed, and the results were compared among the measurement times. 1H- intensities and distribution of the intensities changed with time due to diffusion of hydrogen in the hydrogen-charged 316L steel sample at room temperature. Moreover, the time variation of the hydrogen concentration distribution of the hydrogen-charged 316L sample was calculated using a one-dimensional model based on Fick's second law. The time variations of the measured hydrogen intensities and of the calculated values are compared.

元の言語英語
ページ(範囲)1164-1172
ページ数9
ジャーナルInternational Journal of Hydrogen Energy
39
発行部数2
DOI
出版物ステータス出版済み - 1 13 2014

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austenitic stainless steels
Austenitic stainless steel
Spatial distribution
spatial distribution
Vacuum
Hydrogen
vacuum
Ions
room temperature
hydrogen
ions
Temperature
steels
Secondary ion mass spectrometry
Time measurement
secondary ion mass spectrometry
Steel
time measurement
mechanical properties
Mechanical properties

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

これを引用

Highly sensitive secondary ion mass spectrometric analysis of time variation of hydrogen spatial distribution in austenitic stainless steel at room temperature in vacuum. / Awane, Tohru; Fukushima, Yoshihiro; Matsuo, Takashi; Murakami, Yukitaka; Miwa, Shiro.

:: International Journal of Hydrogen Energy, 巻 39, 番号 2, 13.01.2014, p. 1164-1172.

研究成果: ジャーナルへの寄稿記事

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AU - Murakami, Yukitaka

AU - Miwa, Shiro

PY - 2014/1/13

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