Rebecca Gallivan | A New Way To Engineer The Structure Of Materials

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Rebecca Gallivan | A New Way To Engineer The Structure Of Materials
Abstract: Nanostructured materials promise to unlock additional functionality that can address modern challenges in electronics, health, and energy. Our work in hydrogel infusion-based additive manufacturing (HIAM) highlights a unique pathway for engineering nanostructured materials, building a foundation for future nanotechnologies. HIAM is a chemically versatile solid-state 3D printing process that allows for the design of ceramics and alloys down to the nanoscale. Critically, this process generates intricate microstructures that give rise to enhanced properties and expand the design of advanced, architected materials. Through deeper investigation into the relationship between manufacturing, nanostructure, and properties, this talk will dig into the underlying phenomena that enable this new pathway for engineering materials and highlight how this technique can be leveraged for future nanotechnologies.

Bio: Rebecca Gallivan is an Assistant Professor of Engineering at Dartmouth, where her research focuses on understanding micro- and nano-scale material phenomena to develop nanoengineering principles for advanced materials design. She is an expert in micro- and nano-scale additive manufacturing and deeply interested in tackling a broad range of nanotechnological challenges, from implantable medical devices to integrated photonics, through materials innovation. She received her BS in Materials Science and Engineering from MIT and her PhD in Materials Science from Caltech before working as a postdoctoral scholar at ETH Zurich in Switzerland.

Webpage: https://sites.dartmouth.edu/gallivan-...

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Timecodes
00:00 Introduction and Welcome
00:22 Overview of Research Focus
02:13 Additive Manufacturing Techniques
03:27 Challenges in Micro and Nano Scale Manufacturing
04:42 Hydrogel Infusion Additive Manufacturing (HIAM)
07:17 Material Synthesis and Properties
15:11 Nano Mechanical Studies
23:08 Advanced 3D Printing Techniques
23:37 Material Complexity and Nanoscale Structures
23:58 Applications of Nanoscale Materials
24:17 Exploring Zinc Oxide Properties
26:06 Nickel Nanoporous Structures
27:19 Leveraging Additive Manufacturing
28:59 Concluding Thoughts and Future Directions
29:57 Q&A Session