Smart Structures and Systems

  • 제14권5호
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  • Pages.883-900
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  • 2014
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  • 1738-1584(pISSN)
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  • 1738-1991(eISSN)
테크노프레스 (Techno-Press)
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Testing and modelling of shape memory alloy plates for energy dissipators

  • Heresi, Pablo (Department of Civil Engineering, Universidad de Chile) ;
  • Herrera, Ricardo A. (Department of Civil Engineering, Universidad de Chile) ;
  • Moroni, Maria O. (Department of Civil Engineering, Universidad de Chile)
  • 투고 : 2013.06.12
  • 심사 : 2013.12.22
  • 발행 : 2014.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

Shape memory alloys (SMA) can dissipate energy through hysteresis cycles without significant residual deformation. This paper describes the fabrication and testing of copper-based SMA hourglass-shaped plates for use in energy dissipation devices and the development of a numerical model to reproduce the experiments. The plates were tested under cyclic flexural deformations, showing stable hysteresis cycles without strength degradation. A detailed nonlinear numerical model was developed and validated with the experimental data, using as input the constitutive relationship for the material determined from cyclic tests of material coupons under tension loading. The model adequately reproduces the experimental results. The study is focused on the exploitation of SMA in the martensite phase.

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과제정보

연구 과제 주관 기관 : CONICYT

참고문헌

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피인용 문헌

  1. Design principles for stiffness-tandem energy dissipation coupling beam vol.20, pp.1, 2014, https://doi.org/10.12989/sss.2017.20.1.053
  2. Dynamic behavior of a seven century historical monument reinforced by shape memory alloy wires vol.23, pp.4, 2019, https://doi.org/10.12989/sss.2019.23.4.337
  3. Post-buckling analysis of non-uniformly heated functionally graded cylindrical shells enhanced by shape memory alloys using classical lamination theory vol.30, pp.16, 2019, https://doi.org/10.1177/1045389x19861794