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@ARTICLE{Huczkowski:858378,
      author       = {Huczkowski, Pawel and Young, D. J. and Olszewski, T. and
                      Chyrkin, A. and Quadakkers, W. J.},
      title        = {{E}ffect of {S}ulphur on the {O}xidation {B}ehaviour of
                      {P}ossible {C}onstruction {M}aterials for {H}eat
                      {E}xchangers in {O}xyfuel {P}lants in the {T}emperature
                      {R}ange 550–700 °{C}},
      journal      = {Oxidation of metals},
      volume       = {89},
      number       = {5-6},
      issn         = {0030-770X},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2018-07264},
      pages        = {651-681},
      year         = {2018},
      abstract     = {During oxyfuel combustion metallic heat exchangers are
                      subjected to service environments which substantially differ
                      from those prevailing during the conventional air firing
                      process. In the present study the behaviour of three
                      selected construction materials (P92, super S304HCu and
                      alloy 617) during exposure in simulated oxyfuel gas with and
                      without addition of SO2 at temperatures between 550 and 700
                      °C has been investigated. The alloy microstructure and the
                      corrosion products formed during exposures up to 1000 h were
                      studied by SEM/EDX and correlated with gravimetric data
                      collected during the discontinuous exposures. It was found
                      that the behaviour of the martensitic steel was hardly
                      affected by the presence of SO2; however, in the case of the
                      austenitic steel S304HCu the SO2 suppressed internal
                      oxidation occurring at 650 °C in the SO2-free gas, thus
                      promoting formation of a protective chromium-rich oxide. In
                      the case of the nickel base alloy 617 the SO2 addition
                      increased the corrosion rates at 550 and 650 °C due to
                      replacement of the external chromia scale by a multiphase
                      scale with sulphur-containing surface nodules. At 700 °C
                      the alloy formed a chromia base surface scale and SO2
                      addition suppressed the formation of volatile Cr species.
                      The results are explained using classical oxidation theory
                      related to conditions for external scale formation in
                      combination with thermodynamic considerations of phase
                      stability as well as relative rates of adsorption of various
                      gas species.},
      cin          = {IEK-2},
      ddc          = {540},
      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:000431319100009},
      doi          = {10.1007/s11085-017-9809-2},
      url          = {https://juser.fz-juelich.de/record/858378},
}