Professor Thevamaran’s laboratory focuses on advancing the fundamental knowledge of process-structure-property-function relations in structured materials and creating innovative structured materials with extreme mechanical properties. Recent advancements in material fabrication technologies allow us to control the physical properties and the geometry of constituent structural features, and their organization across different lengthscales to develop structured materials with superior bulk properties for desired applications. This new approach blurs the boundary between a material and a structure, and enables the creation of structured materials with remarkable properties that are not readily found in common materials. Successful development of such materials with superior bulk properties requires a thorough fundamental understanding of material behavior over multiple lengthscales—from nanometers to several millimeters—across different response timescales—from nanoseconds to several minutes.
We use various synthesis techniques to fabricate structured materials with optimally tailored constituent features in multiple lengthscales, and use a variety of mechanical characterization techniques to investigate their responses under different external loading conditions—from quasistatic to highly dynamic. We also use in-situ high-speed microscopy, scanning and transmission electron microscopy, and X-ray scattering techniques to characterize the samples’ structure and morphology as well as the different modes of deformation that occur during external loading. The key fundamental understanding developed in these studies will enable us to develop structured materials with superior specific properties for extreme applications such as protecting humans and engineering systems from impact, shock, and vibrations, and developing ultra-strong and -tough microelectromechanical systems, robots, biomedical implants, and surface coatings.
Professor Thevamaran presents an invited talk entitled “Controlling acoustic waves with non-Hermitian metamaterials” in the AmeriMech2019 topical symposium on Topological and Nonreciprocal Wave Transport, held in the University of Missouri, Columbia, MO.May 29, 2019
David Murgado has been selected as a finalist on the Michael Sutton International Student Paper Competition to be held in the 2019 SEM Annual Conference and Exposition on Experimental and Applied Mechanics, Society for Experimental Mechanics, …April 1, 2019
Thevamaran Lab wins the University of Wisconsin-Madison’s 2018 Fall Competition that will support our research on high-strain-rate deformation of nanostructured materials for a year.December 18, 2018
Our lab research on nanostructured metals is featured in the September issue of the New Scientist–World’s most popular weekly science and technology magazine that is published from UK since 1956.December 15, 2018
Professor Thevamaran presents a technical seminar on the gradient microstructures for synergistic improvement of mechanical properties of metals at the Laboratoire de Mecanique des Solides – CNRS – Ecole Polytechnique, France on the Oct 4, 2018. …October 4, 2018
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We are always looking for talented and highly motivated students interested in the research focus of the Thevamaran Lab. If you are interested in joining our laboratory, please send a brief email explaining your research experience and interests along with your CV to Professor Thevamaran. To join Thevamaran Laboratory, students may apply to the PhD programs in any of the three departments: Engineering Physics, Mechanical Engineering, and Materials Science and Engineering.
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