Enhanced pressure sensing using auxetic metamaterial and piezo-electric integration
Explore advanced mechanical sensing technology using auxetic metamaterials with piezo-electrics, achieving up to 10x energy harvesting improvements. Ideal for pressure sensing in aluminum formation systems, offering cost-effective solutions.
Overview
The integration of auxetic metamaterials with piezo-electric systems offers a revolutionary approach to mechanical sensing. These materials exhibit a unique property known as the negative Poisson's ratio, allowing them to expand under tension and contract under pressure. This characteristic enables significant enhancements in pressure sensing and energy harvesting capabilities. By combining auxetic structures with piezo-electric elements, the system can amplify the harvested energy up to tenfold compared to conventional methods. This innovation provides a cost-effective and efficient solution for direct pressure sensing and contactless measurement applications, especially in aluminum formation systems.
Technical specifications
Key features:
- Auxetic metamaterials with negative Poisson's ratio for superior mechanical properties
- Enhanced energy harvesting up to 10 times using integrated piezo-electric components
- Suitable for direct pressure sensing and integration with electro-systems for contactless measurements
- Adaptable to various pressure sensing applications, including aluminum formation systems
Technical approach:
- Development of auxetic implant geometries tailored for piezo-electric integration
- Laboratory and practical condition testing to ensure reliability and performance
- Ongoing optimization and calibration for improved accuracy and efficiency
Technology readiness level
This technology is at TRL 4, indicating that it has been validated in a laboratory environment. Future steps involve further testing in realistic conditions and optimization for commercial applications.
About Cranfield University
Cranfield University is a postgraduate‑only, research‑intensive public institution in Bedfordshire, known for applied, industry‑engaged research and professional education. Assets include a co‑located airport, full‑scale laboratories and pilot plants, and a research and technology park that places companies alongside researchers. A defense and security campus, deep partnerships with global firms, and extensive executive education create direct routes for collaboration, sponsored studentships, and workforce upskilling. Research is supported by UK Research and Innovation councils and Innovate UK, with additional backing from defense stakeholders and competitive European programs. A dedicated technology transfer office manages IP, licensing, spin‑outs, and incubation space within the research park.
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