Rare Metals

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Improving interface adhesion in TiNi wire/shape memory epoxy composites using carbon nanotubes

  • Xue Feng
  • Li-Min Zhao
  • Xu-Jun Mi
  • Guo-Jie Huang
  • Hao-Feng Xie
  • Xiang-Qian Yin
  • Li-Jun Peng
  • Zhen Yang
Article

Abstract

In order to increase both the interfacial strength and interphase region strength between TiNi wires and shape memory epoxy, a novel interface structure including aminated CNTs was designed. The morphology shows that after electroplating and etching, continuous and homogeneous concave–convex layers form on the surface of as-treated TiNi wires, meanwhile aminated CNTs were planted on the surface which could react with shape memory epoxy at the interface region. The interfacial shear strength increases first with the CNT content rising but then a dramatic drop happens, and the maximum is obtained at CNT content of 0.6 g·L−1, which is about twice the result of acid etching TiNi wires.

Keywords

Interfacial strength Interface structure Carbon nanotube Shape memory material Composite 

Notes

Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (No. 51201014).

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Copyright information

© The Nonferrous Metals Society of China and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Nonferrous Metals and ProcessGeneral Research Institute for Nonferrous MetalsBeijingChina
  2. 2.College of Materials Science and EngineeringLiaocheng UniversityLiaochengChina

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