Adaptive repair device concept with shape memory polymer

Wei Zhao, Liwu Liu, Xin Lan, Bo Su, Jinsong Leng, Yanju Liu

Research output: Contribution to journalArticle (Academic Journal)peer-review

19 Citations (Scopus)
343 Downloads (Pure)

Abstract

Shape memory polymer (SMP) is a new kind of intelligent polymer, which can be activated by an external stimulus to change and subsequently recover its original shape. Due to this shape memory effect, SMP can be used in a wide range of engineering and biomedical applications. This paper details an application of SMP on manufacturing of a fracture fixation. The basic properties were characterized by dynamic mechanical analysis, and the stress relaxation and fatigue were established. An SMP-based fracture fixator was designed, analyzed, and optimized. Finally, the fixator was fabricated and the fixed effects were verified by experiment in vitro. The performance of the SMP-based fixator was excellent and proved to be a potential replacement for the traditional fracture fixator.
Original languageEnglish
Article number025027
Number of pages18
JournalSmart Materials and Structures
Volume26
Issue number2
Early online date24 Jan 2017
DOIs
Publication statusPublished - 1 Feb 2017

Keywords

  • adaptive
  • constitutive theory
  • finite element
  • fracture fixator
  • shape memory polymer
  • thermoviscoelasticity

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