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High Temperature Deformation Behavior of YBa2Cu3O6+x Superconducting Ceramic Materials
NAVAL SURFACE WARFARE CENTER CARDEROCK DIV BETHESDA MD SURVIVABILITY STRUCTURES AND MATERIALS DIRECTORATE
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Superplastic deformation is being explored as a means to turn the new ceramic superconducting YBa2Cu3O6x into useful Naval hardware. The deformation experiments hat were conducted on fine YBa2Cu3O6x powders suggest that the maximum deformation that can be achieved without the degradation of superconductivity is about 62 at 850 deg C. The addition of silver improves the maximum deformation and the addition of alumina has a devastating effect on the deformation mode.
APPROVED FOR PUBLIC RELEASE