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@ARTICLE{Li:910146,
      author       = {Li, Xinfang and Groß-Barsnick, Sonja M. and Baumann,
                      Stefan and Koppitz, Thomas and Meulenberg, Wilhelm A. and
                      Natour, Ghaleb},
      title        = {{T}hermal properties and joinability investigation of
                      {B}a{O}–{S}r{O}–{S}i{O} 2 –{B} 2 {O} 3 glasses for
                      oxygen transport membrane application},
      journal      = {Advanced engineering materials},
      volume       = {24},
      number       = {12},
      issn         = {1438-1656},
      address      = {Frankfurt, M.},
      publisher    = {Deutsche Gesellschaft für Materialkunde},
      reportid     = {FZJ-2022-03635},
      pages        = {2200660},
      year         = {2022},
      abstract     = {Three new BaO–SrO–SiO2–B2O3 (BS) glasses with
                      different SrO contents $(6–25 mol\%)$ are developed for
                      oxygen transport membrane (OTM) joining application. The
                      content of strontium is investigated first in terms of its
                      effect on the glass-forming tendency, thermal expansion
                      coefficient, crystallization, shrinkage behavior, and
                      viscous flow properties. Differential scanning calorimetry
                      (DSC) is carried out. Dilatometric tests are performed to
                      obtain coefficients of thermal expansion (CTEs) of BS
                      glasses. The crystallization behavior of the BS glasses is
                      investigated by X-ray powder diffraction (XRD). Sinking
                      dilatometric measurements simulate the joining procedure and
                      observe the shrinkage behavior of the BS glasses. The
                      viscous flow behavior of the BS glasses is examined via hot
                      stage microscopy. The glass with $15 mol\%$ SrO (BS15)
                      glass shows the best glass-forming tendency, most matching
                      CTE (11.9 × 10−6 K−1), densest microstructure,
                      highest shrinkage rate $(24\%),$ and good viscous behavior
                      at high joining temperatures compared with other BS glasses.
                      BS15 glass is chosen for helium leak test and assembly test
                      joining with Aluchrom and SrTi0.75Fe0.25O3−δ membrane
                      (STF25). The sandwiched sample with two Aluchrom plates
                      sealed by BS15 glass at 1075 °C for 5 min achieves good
                      gas-tightness with low helium leakage rate
                      <10−9 mbar·l s−1.},
      cin          = {IEK-1 / ZEA-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)ZEA-1-20090406},
      pnm          = {1232 - Power-based Fuels and Chemicals (POF4-123)},
      pid          = {G:(DE-HGF)POF4-1232},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000870538300001},
      doi          = {10.1002/adem.202200660},
      url          = {https://juser.fz-juelich.de/record/910146},
}