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Additive Manufacture of Small-Scale Metamaterial Structures for Acoustic and Ultrasonic Applications
Alicia Gardiner1,2, Paul Daly1, Roger Domingo-Roca1
1Centre for Ultrasonic Engineering, Department of Electronic & Electrical Engineering, University of Strathclyde, Glasgow G1 1XW, UK.
Micromachines
|June 2, 2021
Summary
Acoustic metamaterials offer unique sound properties but are hard to manufacture. This review explores additive manufacturing techniques for creating these advanced materials for practical applications.
Area of Science:
- Materials Science
- Acoustics
- Nanotechnology
Background:
- Acoustic metamaterials possess sub-wavelength structures enabling novel acoustic properties.
- Their multi-scale nature presents significant manufacturing challenges, requiring high resolution over large areas.
Purpose of the Study:
- To review current acoustic metamaterial designs.
- To discuss the application of additive manufacturing for their fabrication.
- To identify barriers and future directions for practical acoustic metamaterial development.
Main Methods:
- Literature review of acoustic metamaterial designs.
- Analysis of various additive manufacturing techniques (e.g., 3D printing).
- Evaluation of fabrication challenges and potential solutions.
Main Results:
- Overview of diverse acoustic metamaterial structures.
- Detailed discussion on the suitability of different additive manufacturing methods.
- Identification of key limitations hindering practical realization.
Conclusions:
- Additive manufacturing holds promise for fabricating acoustic metamaterials.
- Overcoming resolution and scalability challenges is crucial for widespread adoption.
- Future research should focus on integrating advanced manufacturing with acoustic design for practical applications.
