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  • 2000-2004  (3)
  • XPS  (2)
  • Bi-based superconductivity  (1)
  • circular plates  (1)
  • 1
    Digitale Medien
    Digitale Medien
    On dimensionless numbers for dynamic plastic response of structural members (2000)
    Springer
    Archive of applied mechanics 70 (2000), S. 245-254 
    Details
    ISSN: 1432-0681
    Schlagwort(e): Key words Dynamic plastic response ; dimensional analysis ; beams ; circular plates
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau
    Notizen: Summary A dimensional analysis is reported for the dynamic plastic response and failure of structural members, which includes material strain hardening, strain rate and temperature effects. Critical shear failure conditions are also discussed based on the dimensional analysis results. It is shown that the response number R n proposed in [3], is an important independent dimensionless number for the dynamic plastic bending and membrane response of structural members. However, additional dimensionless numbers are necessary when transverse shear, strain hardening, strain rate, and temperature effects are important.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s004199900072
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Substitution Effect of Sn for Cu in the Bi2Sr2CaCu2−xSnxO8+δ System (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 137-139 
    Details
    ISSN: 1572-9605
    Schlagwort(e): Bi-based superconductor ; doping ; XPS
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract The Bi2Sr2CaCu2O8+δ system samples doped with Sn on Cu sites were synthesized. Resistivity temperature dependence, X-ray powder diffraction and photoemission experiments have been performed. Suppression of superconductivity in the Sn-doped Bi2Sr2CaCu2O8+δ system has been observed. X-ray photoemission measurements show that Sn ion enters the lattice. Our results reveal that Sn ions are mostly in bivalent states.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007794613891
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  • 3
    Digitale Medien
    Digitale Medien
    Substitution Effect of Pr for Ca in Bi2Sr2CaCu2O8+δ System (2000)
    Springer
    Journal of superconductivity 13 (2000), S. 603-606 
    Details
    ISSN: 1572-9605
    Schlagwort(e): Bi-based superconductivity ; doping ; XRD ; XPS
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Elektrotechnik, Elektronik, Nachrichtentechnik , Physik
    Notizen: Abstract The Bi2Sr2CaCu2O8+δ system samples doped with Pr on Ca sites were synthesized. Resistivity temperature dependence, X-ray powder diffraction, and photoemission experiments have been performed. Both X-ray diffraction and photoemission measurements show that Pr ion enters the lattice with a valence higher than 3+, which supports the hole-filling mechanism of the suppression of superconductivity.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007881002778
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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