Smart Multifunctional Composite Metamaterials for Tailored and Tunable Mechanical Properties
Abstract
This research proposal aims to explore the exciting advancements in composite metamaterials, known as metastructures, which offer unique opportunities to engineer structures with exceptional physical properties that cannot be achieved via regular materials. Such composite metamaterials possess lattice-type unit cell structures that repeat across an elastic substrate, leading to superior mechanical properties surpassing those of conventional composites. Currently, composite metamaterials employ either architectured lattice designs (e.g., auxetic structures) to achieve non-frequency-dependent mechanical behavior or utilize locally resonant unit cells to manipulate the frequency-dependent dynamics of the system. However, combining those characteristics with tailored and tunable mechanical properties in a single structure poses great challenges. So far, the integration of piezoelectric elements with composites has been either in the form of layers or individual patches attached to different positions on the structure. In addition, metamaterial designs having cellular configurations are not ideal for applications that require high in-plane and-or bending stiffness. Therefore, there is a need to develop smart multifunctional composite metamaterials that enable active tailoring of both non-frequency and frequency-dependent mechanical properties.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Feb 05, 2025
- Source ID
- FA86552417049
Entities
People
- Ipek Basdogan
Organizations
- Air Force Office of Scientific Research
- United States Air Force