کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7706650 1497310 2018 18 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Thermal desorption spectrometer for measuring ppm concentrations of trapped hydrogen
ترجمه فارسی عنوان
طیف سنج طیف سنجی طیف سنج برای اندازه گیری غلظت پپید هیدروژن به دام افتاده
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
چکیده انگلیسی
This paper describes an ultra-high-vacuum thermal desorption spectrometer, designed to study hydrogen in steels at ∼1 wt ppm (∼50 atomic ppm) concentration. The high sensitivity achieved also facilitates the analysis of surface phenomena. The instrument was evaluated with model materials and provided good measurements of diffusible hydrogen. A hydrogen peak at ∼350 °C was identified for steels exposed to water during hydrogen charging, and attributed to water molecules adsorbed on the sample surface for samples exposed to the laboratory atmosphere for times as short as 1 min. Recommendations are made for precautions to be taken when handling the samples.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Hydrogen Energy - Volume 43, Issue 15, 12 April 2018, Pages 7600-7617
نویسندگان
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