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After a long break, the “World of Materials Talk” is finally continuing with Dr. Dana Zöllner as Prof. Bonnet’s guest. The physicist and computer scientist has conducted research around the world for many years and now works in research management, among other things. The topic of the new episode is grains and grain growth. This is neither about food nor about growing grain, because we are staying in the world of materials. Grains are small, demarcated, crystalline areas in metallic materials. These grains and their grain boundaries are actually atomic defects, but they are interesting because these microstructures determine the mechanical properties of the materials. In this episode, you will learn how this microstructure can be imagined, how the grains and grain boundaries can be changed, and why. The two also talk about mussels and how the structures of a mussel could potentially enable us to create new materials with new properties in the future. We hope you enjoy watching! 00:11 – Short introduction 03:37 – Grains, grain boundaries, grain growth 08:28 – Why is the microstructure of a material important? 13:48 – The optimization processes 17:21 – Influence on the material properties 18:49 – Optical microscopy 21:55 – The limitations of the investigation 24:12 – Approaches to 2D structures 29:06 – Simulating grain growth scenarios 34:12 – Ideal grain growth 40:46 – Insights from the discovery The podcast can also be found on Spotify: https://open.spotify.com/show/3bG90h8... Apple Podcast: https://podcasts.apple.com/de/podcast... Google Podcast: https://www.google.com/podcasts?feed=... Anchor: https://anchor.fm/martin-bonnet More videos from Dr. Dana Zöllner can be seen on her YouTube channels: a WOMAN in PHYSICS: / awomaninphysics FrauVomErdbeerkopf: / @frauvomerdbeerkopf