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- W2168289962 abstract "The effect of the addition of Ag on the mechanical properties of YBa2Cu3O7−y superconductors is investigated. The Ag content in YBa2Cu3AgxO7−y ranges from x = 0 to 1.5. The superconducting transition temperature Tc of these composites is found to be nearly the same (92 ± 2 K). X-ray diffraction and electron probe scanning analyses indicate that silver resides along the grain boundaries as metal without substitution of Ag for Cu in YBa2Cu3O7−y. An appropriate content of Ag improves the strength, hardness, and fracture toughness. The optimum content of Ag is x = 0.3 from the view of mechanical properties. Der Einfluß von Ag-Zusätzen auf die mechanischen Eigenschaften von YBa2Cu3O7−y-Supraleitern wird untersucht. Der Ag-Gehalt in YBa2Cu3AgxO7−y erstreckt sich von x = 0 bis 1,5. Die Supraleitungsübergangstemperatur Tc dieser Zusammensetzungen ist nahezu gleich (92 ± 2 K). Röntgenbeugungs- und Elektronenmikroanalysen zeigen, daß sich das Silber als Metall entlang den Korngrenzen befindet, ohne daß es Cu in YBa2Cu3O7−y substituiert. Ein geeigneter Anteil von Ag verbessert die Festigkeit, Härte und Bruchzähigkeit. Der optimale Silbergehalt beträgt x = 0,3 aus der Sicht der mechanischen Eigenschaften." @default.
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- W2168289962 date "1991-09-16" @default.
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- W2168289962 title "Mechanical properties of Ag-doped YBa2Cu3O7−y superconductors" @default.
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- W2168289962 doi "https://doi.org/10.1002/pssa.2211270120" @default.
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