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@ARTICLE{Yin:1025444,
      author       = {Yin, Yanting and Rumman, Raihan and Sarvghad, Madjid and
                      Bell, Stuart and Ong, Teng-Cheong and Jacob, Rhys and Liu,
                      Ming and Flewell-Smith, Ross and Sheoran, Shane and
                      Severino, John and Belusko, Martin and Bruno, Frank and
                      Will, Geoffrey and Steinberg, Theodore A. and Lewis, David
                      A. and Andersson, Gunther G.},
      title        = {{R}ole of headspace environment for phase change carbonates
                      on the corrosion of stainless steel 316{L}: {H}igh
                      temperature thermal storage cycling in concentrated solar
                      power plants},
      journal      = {Solar energy materials $\&$ solar cells},
      volume       = {251},
      issn         = {0927-0248},
      address      = {Amsterdam [u.a.]},
      publisher    = {NH, Elsevier},
      reportid     = {FZJ-2024-02896},
      pages        = {112170 -},
      year         = {2023},
      abstract     = {The mechanisms leading to corrosion in stainless steel
                      containments for thermal energy storage through phase change
                      materials, such as carbonates and chlorides, arecrucial for
                      understanding the degradation of these steel alloys. A
                      comprehensive study of this area will allow for
                      down-selection of materials suitable for solar thermalenergy
                      storage (TES) operation at an elevated temperature
                      range.Samples of stainless steel (SS) 316L were subjected to
                      a cyclic heat environment of 550–750 ◦C in air and argon
                      headspace environments, in the presence of acarbonate salt
                      phase change material (PCM). A series of complementary
                      microscopy, spectroscopy and diffractometry analytical
                      techniques were applied to thecorroded SS316L. Corrosion
                      rate, interface formation and chemical products with respect
                      to thermal cycling are presented with associated degradation
                      mechanismexplained and comparisons are made among different
                      gas environments and varied immersion conditions.In the PCM
                      under ambient air conditions, steel surfaces were mainly
                      corroded by the penetration of oxidants from air, such as
                      H2O or O2, along grain boundaries.SS316L samples
                      demonstrated more severe degradation when exposed to air
                      with a small fraction of PCM vapour present compared to when
                      they were exposed toliquid or solid PCM. Cycling in Ar
                      resulted in less corrosion in samples as opposed to when
                      they were exposed to an air environment. In an Ar
                      environment corrosionis driven via the formation of
                      chromite, while the SS316L showed a less degradation when
                      exposed to Ar with a small fraction of PCM vapour compared
                      to when itwas immersed in PCM. The mechanisms for
                      degradation in air and in Ar are common in that the
                      corrosion products of Cr and Ni dissolve in the PCM thus
                      removingany layer that could protect against corrosion.The
                      present study provides insight into corrosion of
                      stainless-steel when exposed to carbonate salts, in air and
                      inert gas environments, and contributes to down-selection of
                      materials for solar thermal energy storage.},
      cin          = {IEK-2},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {1242 - Concentrating Solar Power (CSP) (POF4-124) / 1243 -
                      Thermal Energy Storage (POF4-124)},
      pid          = {G:(DE-HGF)POF4-1242 / G:(DE-HGF)POF4-1243},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000916593900001},
      doi          = {10.1016/j.solmat.2022.112170},
      url          = {https://juser.fz-juelich.de/record/1025444},
}