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@ARTICLE{RangelHernndez:872695,
      author       = {Rangel-Hernández, Victor and Fang, Qingping and Babelot,
                      Carole and Lohoff, Robert and Blum, Ludger},
      title        = {{A}n experimental investigation of fracture processes in
                      glass-ceramic sealant by means of acoustic emission},
      journal      = {International journal of hydrogen energy},
      volume       = {45},
      number       = {51},
      issn         = {0360-3199},
      address      = {New York, NY [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2020-00185},
      pages        = {27539 - 27550},
      year         = {2020},
      abstract     = {One of the essential components for ensuring the long
                      service life of solid oxide cell (SOC) stacks is the sealant
                      used. Therefore, in this work, an experimental investigation
                      of the glass ceramic sealant (GCS) fracture process was
                      carried out using an Acoustic Emission (AE) based approach.
                      A series of tensile tests at room temperature were performed
                      and the acoustic activity emitted was recorded by two AE
                      sensors. An AE signal analysis was then performed using two
                      approaches: wave mode identification and frequency content
                      analysis. To understand the fracture process of the GCS, the
                      analysis was supported with prior knowledge of the GCS
                      microstructure and a post-test visual analysis. This
                      demonstrated the presence of low-frequency failure
                      mechanisms (50–400 kHz) such as debonding, fiber pull-out
                      and matrix cracking, and high-frequency mechanisms (>400
                      kHz) such as fiber breakage. The results confirm the
                      suitability of using the acoustic emission approach for
                      monitoring failure events and show its potential application
                      in SOC stacks monitoring.},
      cin          = {IEK-14 / ZEA-1},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-14-20191129 / I:(DE-Juel1)ZEA-1-20090406},
      pnm          = {135 - Fuel Cells (POF3-135) / SOFC - Solid Oxide Fuel Cell
                      (SOFC-20140602)},
      pid          = {G:(DE-HGF)POF3-135 / G:(DE-Juel1)SOFC-20140602},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000578042500084},
      doi          = {10.1016/j.ijhydene.2020.07.031},
      url          = {https://juser.fz-juelich.de/record/872695},
}