Extraordinary Multifunctional Disordered Composites
Abstract
Disordered hyperuniform many-body systems are new, exotic states of matter that lie between a crystal and a liquid: they are like perfect crystals in the way they suppress large-scale density fluctuations and yet are statistically isotropic like liquids. Now there is a realization that such states play vital roles in a number of fundamental and applied problems: glass formation, jamming, rigidity, band-gap structures, biology, localization of waves and excitations, self organization, fluid dynamics, quantum systems, and pure mathematics. This activity strongly indicates that this is an emerging field with potentially explosive growth. The overall purpose of this project is to establish the fundamental understanding and capabilities required to design disordered hyperuniform composites for utilization in aerospace materials, devices and microsystems as multifunctional structures. We derived and applied cross-property maps that connect combinations of pairs of the aforementioned effective transport and elastic properties to one another for a wide class of dispersions in which the inclusions can have different shapes and sizes and are spatially distributed in a matrix with varying degrees of order/disorder. In another study, we have showed that generalizations of "random organization models" of vibrated granular media are disordered and hyperuniform. Elsewhere, we explored the effective thermal or electrical conductivities and elastic moduli of various 2D ordered and disordered hyperuniform cellular networks. We established the multifunctionality of a class of such low-density networks by demonstrating that they maximize or virtually maximize the effective conductivities and elastic moduli. Finally, we established the first cross-property relations for two-phase composite media that link effective elastic and electromagnetic wave characteristics to one another, including effective wave speeds and attenuation coefficients.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 14, 2023
- Accession Number
- AD1230343
Entities
People
- Salvatore Torquato
Organizations
- Trustees of Princeton University