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Geopolymer Materials for Extrusion-Based 3D-Printing: A Review
Laura Ricciotti1,2, Antonio Apicella1,2, Valeria Perrotta1,2
1Department of Architecture and Industrial Design, University of Campania, Luigi Vanvitelli, 81031 Aversa, Italy.
Polymers
|December 23, 2023
Summary
This study explores 3D printing with geopolymers (GPs), focusing on production, material properties, and sustainability. It highlights advancements and future directions for printable geopolymer technology.
Area of Science:
- Materials Science
- Additive Manufacturing
- Sustainable Construction Materials
Background:
- Geopolymers (GPs) are sustainable inorganic aluminosilicate binders.
- Extrusion-based 3D printing offers novel construction possibilities.
- Integrating GPs into 3D printing presents unique challenges and opportunities.
Purpose of the Study:
- To critically examine the current state of 3D-printed geopolymers.
- To analyze the influence of various factors on geopolymer properties.
- To identify future research directions for printable geopolymer technology.
Main Methods:
- Review of extrusion-based 3D printing processes for geopolymers.
- Analysis of mix design, printability, and material properties.
- Evaluation of fresh and hardened geopolymer characteristics.
Main Results:
- Detailed examination of geopolymer matrix composition, reinforcement, curing, and printing parameters.
- Comparison of one-part and two-part geopolymer systems.
- Highlighting of advanced geopolymer applications and case studies.
Conclusions:
- 3D printing with geopolymers is a rapidly evolving field with significant potential.
- Optimizing mix design and printing parameters is crucial for material performance.
- Further research is needed to address challenges and advance geopolymer additive manufacturing.
