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@ARTICLE{Beck:838535,
      author       = {Beck, Tilmann and Kuhn, Bernd and Eckardt, T. and
                      Singheiser, L.},
      title        = {{M}icrostructure, {C}reep and {T}hermomechanical {F}atigue
                      of {N}ovel {S}olid {S}olution and {L}aves {P}hase
                      {S}trengthened {C}r2{O}3 and {A}l2{O}3 {F}orming {F}errites
                      for {C}ar {E}ngine {E}xhaust and {H}eat {E}xchanger
                      {S}ystems},
      journal      = {Transactions of the Indian Institute of Metals},
      volume       = {69},
      number       = {2},
      issn         = {0975-1645},
      address      = {[New Delhi]},
      publisher    = {Springer India},
      reportid     = {FZJ-2017-07117},
      pages        = {379 - 385},
      year         = {2016},
      abstract     = {Increasing efficiency of internal combustion engines by
                      downsizing leads to a rise in exhaust gas temperature up to
                      1000 °C accompanied with higher mechanical loading of
                      exhaust systems, approaching the limits of currently used
                      Cr2O3 forming ferrites. Similarly, the conditions in solid
                      oxide fuel cell (SOFC) heat exchanger systems exceed the
                      limits of commercial Al2O3 forming heat resistant ferrites
                      with respect to temperature and thermomechanical fatigue
                      (TMF) loading. Aim of the presented work was the development
                      of Cr2O3 and Al2O3 forming ferrites with improved mechanical
                      strength and TMF properties up to 900–1000 °C. Baseline
                      material was the Crofer® 22H alloy, which should be further
                      hardened by solid solution and Laves phase precipitates. The
                      paper gives an overview of the key results achieved at
                      Research Center Jülich on correlation between
                      microstructure evolution, deformation and lifetime in hot
                      tensile, creep and TMF tests. Increasing Laves phase
                      dissolution temperature elevates short time stability of
                      precipitates and long term stability of the grain structure
                      up to 950 °C. Furthermore, a lower Laves phase content of
                      the Al2O3 forming material could be compensated by dynamic
                      strain ageing via Al diffusion resulting in superior high
                      temperature strength, creep behavior and TMF life.},
      cin          = {IEK-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {111 - Efficient and Flexible Power Plants (POF3-111)},
      pid          = {G:(DE-HGF)POF3-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000368032700034},
      doi          = {10.1007/s12666-015-0747-x},
      url          = {https://juser.fz-juelich.de/record/838535},
}