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@ARTICLE{Gramlich:474253,
      author       = {Gramlich, Alexander and Bleck, Wolfgang},
      title        = {{T}empering and {I}ntercritical {A}nnealing of
                      {A}ir‐{H}ardening 4 $wt\%$ {M}edium {M}anganese {S}teels},
      journal      = {Steel research international},
      volume       = {92},
      number       = {11},
      issn         = {0177-4832},
      address      = {Weinheim},
      publisher    = {Wiley-VCH-Verl.},
      reportid     = {PUBDB-2022-00633},
      pages        = {2100180},
      year         = {2021},
      note         = {The synchrotronhigh-energy X-ray diffraction (HEXRD)
                      measurements were conducted atthe Powder Diffraction and
                      Total Scattering Beamline P02.1 of PETRA III atDESY
                      (Proposal No.: I-20191072), a member of the Helmholtz
                      Association(HGF), which is gratefully acknowledged. Dr.
                      Wenwen Song and Dr. Yan},
      abstract     = {The mechanical properties after tempering and intercritical
                      annealing of medium manganese steels with $4 wt\%$ Mn for
                      forging applications are presented. After forging with
                      subsequent air cooling, heat treatments were performed,
                      specifically tempering from 250 and 450 °C and
                      intercritical annealing between 600 and 675 °C. Tensile
                      properties, Charpy V-notch impact toughness, and hardness
                      were determined and compared with microstructural features
                      characterized by metallography and synchrotron measurements,
                      leading to the classification of six different heat
                      treatment stages for medium manganese steels. Furthermore,
                      the effects of different alloying additions (boron
                      $0.0016–0.0057 wt\%,$ molybdenum $0.2 wt\%,$ and
                      aluminum $0.5 wt\%)$ are discussed with respect to the
                      mechanical properties. It is shown that boron increases the
                      impact toughness more effectively in the tempering regime,
                      while the molybdenum alloyed samples exhibit higher
                      toughness after intercritical annealing. Most of the
                      materials and heat treatment states follow the inverse
                      relationship between toughness and strength, while the
                      aluminum alloyed samples show a superior toughness after
                      tempering.},
      cin          = {DOOR ; HAS-User},
      ddc          = {660},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {6G3 - PETRA III (DESY) (POF4-6G3)},
      pid          = {G:(DE-HGF)POF4-6G3},
      experiment   = {EXP:(DE-H253)P-P02.1-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000652808900001},
      doi          = {10.1002/srin.202100180},
      url          = {https://bib-pubdb1.desy.de/record/474253},
}