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@ARTICLE{Allam:888764,
      author       = {Allam, Tarek and Guo, Xiaofei and Lipińska-Chwałek, Marta
                      and Hamada, Atef and Ahmed, Essam and Bleck, Wolfgang},
      title        = {{I}mpact of precipitates on the hydrogen embrittlement
                      behavior of a {V}-alloyed medium-manganese austenitic
                      stainless steel},
      journal      = {Journal of materials research and technology},
      volume       = {9},
      number       = {6},
      issn         = {2238-7854},
      address      = {Rio de Janeiro},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-05193},
      pages        = {13524 - 13538},
      year         = {2020},
      abstract     = {This paper discusses the avoidance of hydrogen
                      embrittlement (HE) in a medium manganese stainless steel
                      X20CrNiMnVN18-5-10. We adopted a HE-mitigation strategy that
                      relies on improving its intrinsic resistance to hydrogen by
                      adjusting an ultrafine microstructure (∼1.3 µm)
                      containing a significant amount of nano-sized V- and
                      Cr-based precipitates in the size range of 20 - ≥200 nm.
                      The precipitation state was characterized using a
                      high-resolution scanning transmission electron microscope.
                      Slow strain rate tests at a strain rate of 10−6 s−1
                      were conducted on specimens with/without hydrogen
                      pre-charging to evaluate the HE susceptibility. Thermal
                      desorption analysis was applied to explore the hydrogen
                      trapping behavior in cold-rolled, annealed and hydrogen
                      pre-charged states. Hydrogen uptake and hydrogen desorption
                      behaviors show a dependence on the size of precipitates. It
                      is remarked that the large precipitates trap a larger amount
                      of hydrogen and show a higher temperature desorption peak
                      than the small precipitates do. The high-temperature
                      hydrogen desorption peaks (>400 °C) indicate that the
                      observed nano-sized precipitates provide irreversible
                      trapping sites, where hydrogen uptake occurs. The
                      investigated steel X20CrNiMnVN18-5-10 demonstrates an
                      enhanced intrinsic resistance to HE in comparison to medium
                      and high manganese as well as stainless steels. The findings
                      suggest that microstructure engineering with sufficient
                      number of hydrogen traps in an ultrafine-grained
                      microstructure is an appropriate HE mitigation strategy that
                      allows designing hydrogen-resistant advanced high strength
                      steels.},
      cin          = {ER-C-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)ER-C-2-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / ERS TvK (ZUK2) - Theodore von Kármán Fellowships
                      (ZUK2-TvK) / DFG project 29898171 - SFB 761: Stahl - ab
                      initio. Quantenmechanisch geführtes Design neuer
                      Eisenbasis-Werkstoffe (29898171)},
      pid          = {G:(DE-HGF)POF3-143 / G:(DE-82)ZUK2-TvK /
                      G:(GEPRIS)29898171},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000606413800010},
      doi          = {10.1016/j.jmrt.2020.09.085},
      url          = {https://juser.fz-juelich.de/record/888764},
}