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@ARTICLE{vonHelden:865917,
      author       = {von Helden, S. and Krüger, M. and Malzbender, J.},
      title        = {{S}trength of {T}ransparent {C}eramic {C}omposites {W}ith
                      {S}pinel},
      journal      = {Journal of materials science},
      volume       = {54},
      number       = {24},
      issn         = {1573-4803},
      address      = {Dordrecht [u.a.]},
      publisher    = {Springer Science + Business Media B.V},
      reportid     = {FZJ-2019-05194},
      pages        = {14666 - 14676},
      year         = {2019},
      abstract     = {Protective windows have to be very hard and possess a
                      certain thickness to provide a good wear resistance, as well
                      as low weight and cost to be used economically. But, common
                      transparent systems like bulletproof glass are quite heavy
                      because they need a minimum thickness to provide protection.
                      Therefore, laminate systems consisting of a thin transparent
                      ceramic layer with a very high hardness and a low-cost as
                      well as a lower-weight transparent substrate are considered
                      in the current work as an alternative solution to thick
                      monolithic ceramics. Since reliability is a main aspect for
                      the application, mechanical characterization is carried out
                      using ring-on-ring bending tests for different laminate
                      structures. Apart from various commercially available
                      hardened and unhardened glasses, also a polymer material is
                      taken into account as thicker substrate material for a thin
                      spinel ceramic. In particular, polycarbonate as well as
                      float glass, B270 and Borofloat® by Schott or Gorilla
                      glass® 3 by Corning are used as substrate materials. Tests
                      are carried out with either ceramic or substrate material
                      under tension. Properties derived using laminate theory are
                      compared and discussed with respect to the properties of the
                      individual materials. The Young’s moduli of the monolithic
                      materials are measured via an impulse excitation technique.
                      In an outlook, implications for the application of the
                      laminates are discussed.},
      cin          = {IEK-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {113 - Methods and Concepts for Material Development
                      (POF3-113)},
      pid          = {G:(DE-HGF)POF3-113},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000489150200004},
      doi          = {10.1007/s10853-019-03982-y},
      url          = {https://juser.fz-juelich.de/record/865917},
}