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Related Experiment Video

Updated: Feb 25, 2026

Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction
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Thermally Activated Composite with Two-Way and Multi-Shape Memory Effects.

Abdul Basit1,2, Gildas L'Hostis3, Marie José Pac4

  • 1Laboratory of Physics and Mechanics of Textiles de Physique (LPMT), High Alsace University (UHA), 11 rue Alfred Werner, Mulhouse F-68093, France. basit_ntu@yahoo.com.

Materials (Basel, Switzerland)
|August 10, 2017
PubMed
Summary
This summary is machine-generated.

Controlled Behavior Composite Material (CBCM) exhibits strong two-way actuation and multi-shape memory effects. This advanced shape memory polymer composite demonstrates full recovery even under high loads, showcasing significant potential in smart structure applications.

Keywords:
functional compositeslaminateshape memory compositesthermomechanical properties

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Area of Science:

  • Materials Science
  • Polymer Science
  • Composite Materials

Background:

  • Shape memory polymer composites are increasingly vital for smart structure applications.
  • Controlled Behavior Composite Material (CBCM) is introduced as an active asymmetric shape memory polymer composite.

Purpose of the Study:

  • To investigate the shape memory properties of CBCM.
  • To evaluate the performance of CBCM in various recovery scenarios, including constrained, unconstrained, and partial recovery under load.

Main Methods:

  • CBCM was programmed and its initial fixity determined via a bending test above the Epoxy polymer's glass transition temperature.
  • Shape memory properties were assessed using bending tests, including unconstrained recovery, constrained recovery, and a novel partial recovery under load test.

Main Results:

  • CBCM demonstrated high recovery displacement and force during recovery tests.
  • The material exhibited strong two-way actuations and a multi-shape memory effect.
  • Full recovery and two-way actuation were confirmed even under substantial load, characterized by recovered mechanical work.

Conclusions:

  • CBCM possesses unique properties enabling strong two-way actuation and multi-shape memory effects.
  • The material's ability to achieve full recovery under high load highlights its potential for advanced smart structures.
  • Recovered mechanical work is a key characteristic defining CBCM's performance.