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 gives an invited talk at the International Conference on Plasticity, Damage, and Fracture (Plasticity 2020)
Professor Thevamaran presents our research on gradient-nanograined structure and phase transformation metal microparticles impacted at high velocities at the International Conference on Plasticity, Damage, and Fracture (Plasticity 2020).January 6, 2020
Professor Thevamaran gave a seminar on “Microballistics: From martensitic transformation in metals to superior energy dissipation in ultra-thin polymer films” at the Center for Material Innovation and Future Fashion (CMIFF) of the RMIT University in …December 13, 2019
Postdoctoral Research Associate Jizhe Cai and Graduate Student Claire Griesbach present their work at the 2019 MRS Fall meeting in Boston this week. Jizhe gives a talk on supersonic micro projectile impact of semicrystalline polymer …December 3, 2019
Claire Griesbach successfully defended her Master’s thesis on “Quasi-Static and High-Velocity Impact Deformations of Single-Crystal Silver Microcubes”. Congratulations!November 12, 2019
Congratulations to Claire Griesbach for publishing her paper in Acta Materialia: Dynamic Martensitic Phase Transformation in Single-crystal Silver Microcubes. It is a collaboration work with researchers in USA, Canada, Denmark, and South Korea. Read the …November 5, 2019
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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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