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An overview of methods to suppress hydrogen outgassing rate from austenitic stainless steel with reference to UHV and EXV
Authors:Yuichi Ishikawa  Vincenc Nemani?
Affiliation:
  • a 406 International Student Center, Yokohama National University, 79-1 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan
  • b ITPO, Institute of Surface Engineering and Optoelectronics, Teslova 30, 1000 Ljubljana, Slovenia
  • Abstract:The present review of methods reveals some new theoretical aspects and findings concerning suppression of the hydrogen outgassing rate qout from austenitic stainless steels in relation to the ultrahigh vacuum and extreme high vacuum.The review includes work on thermal treatment and modelling, permeation rate and the role of surfaces, diffusion barriers and coatings.
    Keywords:Outgassing   Ultrahigh vacuum   Extreme high vacuum   Austenitic stainless steel   Hydrogen   Diffusion   Recombination   Trapping   Thermal desorption
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