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A novel manufacturing strategy for bio-inspired cellular structures

journal contribution
posted on 30.09.2016, 10:28 authored by Carmen TorresCarmen Torres, Jonathan R. Corney
This paper presents a novel manufacturing method for cellular materials with a graded porosity distribution. The motivation for creating a gradient of porosity in materials has been inspired by nature and aspires to mimic natural structures so their intrinsic advantages (e.g., optimised mechanical properties) can be exploited. Many engineering applications (e.g., thermal, acoustics, mechanical, structural and tissue engineering) require porosity tailored structures. However, current manufacturing processes are currently unable to mass-produce these foams. In this work, low power-low frequency ultrasonic irradiation has been used to excite polymeric foaming melts that, once solidified, contained different porosity distributions throughout in their solid matrix. This was possible by controlling the amount of energy imposed on the samples. The generation of porosity gradients that resembles those of natural cellular structures (e.g., bones, stems) opens up new opportunities in the design and manufacture of bio-inspired materials that can solve challenging technological problems.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

International Journal of Design Engineering

Volume

4

Issue

1

Pages

5 - 22

Citation

TORRES-SANCHEZ, C. and CORNEY, J., 2011. A novel manufacturing strategy for bio-inspired cellular structures. International Journal of Design Engineering, 4 (1), pp.5-22.

Publisher

© Inderscience

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2011

Notes

Closed access.

ISSN

1751-5874

eISSN

1751-5882

Language

en