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Enhanced shape memory and superelasticity in small-volume ceramics: a perspective on the controlling factors

  • Xiaomei Zeng (a1) (a1), Zehui Du (a1), Christopher A. Schuh (a2) and Chee Lip Gan (a1)

Abstract

Shape memory ceramics show potential for energy damping and actuation applications. In particular, small-scale structures of zirconia-based ceramics demonstrate significantly enhanced shape memory and superelastic properties compared with their bulk counterparts, mainly because an oligocrystalline or single-crystal microscale structure reduces mismatch stresses amongst grains. In this Prospective article, we review recent experiments that explore the shape memory properties of small-scale zirconia-based ceramics, including the effects of composition, sample and grain size, and cyclic loading. These factors are reviewed with an eye toward rendering shape memory ceramics more useful in future applications.

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Copyright

Corresponding author

Address all correspondence to Chee Lip Gan at CLGan@ntu.edu.sg

References

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Enhanced shape memory and superelasticity in small-volume ceramics: a perspective on the controlling factors

  • Xiaomei Zeng (a1) (a1), Zehui Du (a1), Christopher A. Schuh (a2) and Chee Lip Gan (a1)

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