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Compressive property and shape memory effect of 3D printed continuous ramie fiber reinforced biocomposite corrugated structures

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  • P. Cheng
  • K. Wang
  • X. Chen
  • A. Le Duigou
  • Y. Peng
  • W. Wen
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Article number124003
<mark>Journal publication date</mark>31/12/2022
<mark>Journal</mark>Smart Materials and Structures
Issue number12
Volume31
Number of pages12
Publication StatusPublished
Early online date7/11/22
<mark>Original language</mark>English

Abstract

The present work aimed to study the quasi-static compression behaviors of 3D printed continuous ramie fiber reinforced biocomposite corrugated structures (CFCSs) with excellent shape memory effects. The in-plane compression test was conducted to evaluate the effects of cell shapes, fiber volume fraction (f v) and addition of fiber on the compression behaviors and energy absorption (EA) characteristics of the corrugated structures. The results showed that the compression property and EA capacity of the 3D printed CFCSs increased with decreasing f v and the addition of continuous ramie yarn. The 3D printed continuous ramie fiber reinforced biocomposite with inverted trapezoid cell shape corrugated structures (CFITCSs) outperformed other cell shapes in the compression strength and specific EA. The analytical model for the in-plane compression strength of CFITCSs was derived, and predictions were in good agreement with measurements. In addition, continuous natural fiber reinforced composite structure for shape memory was proposed for the first time. The shape recovery testing results demonstrated that 3D printed CFCSs had the potential to be a key element of lightweight programmable smart systems.

Bibliographic note

This is an author-created, un-copyedited version of an article accepted for publication/published in Smart Materials and Structures. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at doi:10.1088/1361-665X/ac95e4