4D printing of electro-activated thermochromic composites for dynamic 3D displays

4D printing of electro-activated thermochromic composites for dynamic 3D displays

This paper introduces a novel 4D printing approach for dynamic displays, using thermochromic-PLA composites embedded with FeCrAl wires activated by Joule heating. Previous studies struggled with high energy consumption, heat bleed, and slow activation. By embedding continuous resistance wires direct...

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Bibliographic Details
Main Authors: S. Siddharth Kumar, Wudith W. Niyagama, Jan S. Akmal, Mika Salmi
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Materials & Design
Subjects:
Thermochromic PLA filament
FeCrAl wire
Color change dynamics
Multi-material printing
Material extrusion (MEX)
Electroactivated displays
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127525000942
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http://www.sciencedirect.com/science/article/pii/S0264127525000942

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