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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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