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Pseudoelastic behavior in Y1−xPrxBa2Cu3Oy compounds

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Abstract

Tensile tests show that ferroelastic loops always occur at 100–150 K, 200–250 K and room temperature in the Y1−xPrxBa2Cu3Oy samples withx=0 and 0.1 for whichT c is 92 K and 82.5 K respectively, and the shape memory effect is always observed in the compact sample near 130 K, just similar to that of thermal elastic martensitic alloys. The loss fraction (ΔW/W) which is proportional to the area of ferroelastic loop as a function of temperature shows that there always exist static hysteresis (ΔW/W) peaks at 130 K and 110 K which are attributed to the phaselike transition (PLT) characterized by the jump of lattice parameters. No ferroelastic loops and shape memory effect are observed in the range of 100 K to 150 K for the lowerT c samples withx=0.3, 0.4 and 0.6.

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Shen, H., Chen, S., Yu, Z. et al. Pseudoelastic behavior in Y1−xPrxBa2Cu3Oy compounds. J Low Temp Phys 92, 181–187 (1993). https://doi.org/10.1007/BF00682335

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Keywords

  • Tensile Test
  • Magnetic Material
  • Shape Memory
  • Memory Effect
  • Shape Memory Effect