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Iterative Design and Fabrication of Hyperuniform-Inspired Materials for Targeted Mechanical and Transport Properties

Project Personnel

Karen Daniels

Principal Investigator

North Carolina State University

Christopher Rock

Co-PI

North Carolina State University

Ryan Hurley

Co-PI

Johns Hopkins University

Mason Porter

Co-PI

University of California, Los Angeles

Katherine Newhall

Co-PI

University of North Carolina at Chapel Hill

Funding Divisions

Division of Materials Research (DMR), Division of Mathematical Sciences (DMS), Division of Civil, Mechanical, and Manufacturing Innovation (CMMI)

Micro-lattice and nano-lattice structures are an exciting class of materials with better strength-to-weight and stiffness-to-weight ratios than bulk solids. Many designs and additive-manufacturing approaches (i.e., 3D printing) have emerged recently for creating such materials, with the goal of fabricating commercially available products with optimized mechanical, thermal, acoustic, and electrical properties for biomedical, aerospace, and several other applications. This Designing Materials to Revolutionize and Engineer our Future (DMREF) grant will support development of novel approaches to design a new class of disordered lattice materials that are inspired by the special transport properties, e.g., heat transfer and diffusion, of the so-called “hyperuniform” structures. Hyperuniform materials may nominally be described as materials with minimal density variation as the length scale increases. They arise naturally in biological and chemical systems and can be designed through numerical methods. Numerous studies have demonstrated that such systems facilitate efficient transport behavior with minimal attenuation while also possessing nearly optimal effective elastic stiffness and material fracture suppression. The grant will also provide effective workforce development for a diverse group of undergraduates, PhD students, and postdoctoral researchers in the multidisciplinary areas of engineering, materials science, mathematics, and physics. It will contribute to the public understanding of materials research via publications, outreach, and internship programs for high-school students and teachers. Additionally, there will be an effort to develop entrepreneurship and trainees will be supported in pursuing commercialization of their ideas.

U.S. National Science Foundation and NSF DMREF, Materials for Our Future

This material is based upon work supported by the U.S. National Science Foundation Award No. 2015237. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the U.S. National Science Foundation. This site is maintained collaboratively by principal investigators with NSF DMREF awards, independent of the NSF.