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@ARTICLE{RodrguezLpez:875306,
      author       = {Rodríguez-López, Sonia and Malzbender, Jürgen and Justo,
                      Virginia M. and Serbena, Francisco C. and Groß-Barsnick,
                      Sonja M. and Pascual, Maria J.},
      title        = {{T}hermo-{M}echanical {S}tability and {G}as-{T}ightness of
                      {G}lass-{C}eramics {J}oints for {SOFC} in the {S}ystem
                      {M}g{O}-{B}a{O}/{S}r{O}-{B}2{O}3-{S}i{O}2},
      journal      = {Frontiers in Materials},
      volume       = {7},
      issn         = {2296-8016},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2020-01937},
      pages        = {19},
      year         = {2020},
      abstract     = {The objective of this paper is to illustrate a variety of
                      studies carried out to improve the quality of some
                      particular glass-ceramic joining materials based on measured
                      properties such as gas-tightness and mechanical resistance
                      and demonstrate the feasibility of using the proposed
                      materials for solid oxide fuel cells (SOFC) and solid oxide
                      electrolysis cells (SOEC) applications. First, the sealing
                      conditions have been optimized for the two selected
                      compositions in the system MgO-BaO/SrO-B2O3-SiO2. Once the
                      joining materials have been optimized, the gas-tightness has
                      been measured as a function of the glass-ceramic
                      crystallization degree, its thermal cycling behavior and the
                      influence of a reducing atmosphere on this property. The
                      electrical resistance at high temperature has also been
                      studied. Subsequently, the chemical compatibility of the
                      joints steel/glass-ceramic has been evaluated by means of
                      the analysis of the cross-sections using SEM and EDX.
                      Furthermore, the mechanical and chemical stability of the
                      joints has also been studied as a function of the
                      crystallization degree, the resistance vs. thermal cycling
                      and the influence of a reducing atmosphere. Finally, the
                      mechanical resistance of the joints regarding flexural
                      loading has been characterized employing a 4-point bending
                      method both at room temperature and at relevant high
                      temperatures varying the seal thickness. Overall, the
                      results verify that the developed and tested materials are
                      promising for long term stable SOFC and SOEC applications in
                      advanced stack designs aiding prolonged lifetime under
                      thermal-cyclic conditions.},
      cin          = {IEK-2 / ZEA-1},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)ZEA-1-20090406},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000517157200001},
      doi          = {10.3389/fmats.2020.00019},
      url          = {https://juser.fz-juelich.de/record/875306},
}