Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7148
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Article Citation - WoS: 24Citation - Scopus: 28Stress Wave Propagation Effects in Two- and Three-Layered Composite Materials(SAGE Publications Inc., 2004) Taşdemirci, Alper; Hall, Ian W.; Gama, Bazle A.; Güden, MustafaMultilayer materials consisting of ceramic and glass/epoxy composites have been subjected to high strain rate compression testing using the Split Hopkinson Pressure Bar. The samples were extensively strain gaged so that dynamic data were generated directly from the samples during testing. Output data from the experiments were compared with numerical simulations of the same experiments and good agreement was noted. It was found that the stress distribution within samples was quite inhomogeneous and that stresses were highest in the region of the bar–sample interface. The presence of a rubber interlayer between the ceramic and glass/epoxy decreased the stress in both components but dramatically increased the degree of stress inhomogeneity.Article Citation - WoS: 194Citation - Scopus: 227Dynamics of Metal Foam Deformation During Taylor Cylinder–hopkinson Bar Impact Experiment(Elsevier Ltd., 2003) Lopatnikov, Sergey L.; Gama, Bazle A.; Haque, Jahirul; Krauthauser, Carl; Gillespie, John W.; Güden, Mustafa; Hall, Ian W.Analytical solutions for dynamic deformation of foam materials during the Taylor cylinder–Hopkinson bar impact experiment were obtained. It was shown that shock wave of foam collapse appears during the fast impact. The results of this experiment can be used in estimating the average material properties of the foam under dynamic loading conditions. Results show that the un-deformed and change in length of foam specimens are in good agreement between theory and experiment, as well as numerical analysis.