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Meeting MS&T22: Materials Science & Technology
Symposium Dislocations in Ceramics: Processing, Structure, Mechanics, and Functionality
Presentation Title Conceptual Framework for Dislocation Mechanics in Ceramics
Author(s) Lukas Porz
On-Site Speaker (Planned) Lukas Porz
Abstract Scope Dislocations in ceramics have been studied from various perspectives over the decades with a current wave of renewed interest. Advances in imaging methods, computing and fabrication approaches foreshadow great potential to understand and exploit their effect on a series of functional properties in the near future. However, a cohesive perspective on their mechanical behavior across single and polycrystals of various crystal structures is still missing. Unfortunately, there is no such thing as a role model ceramic in this context, as there are aluminum and fcc/bcc iron for metals. Moreover, the numerous valuable pieces of knowledge are spread across materials, decades and disciplines. In this presentation, I rise awareness to all the components involved in dislocation mechanics in ceramic by sorting them into five steps to consider and by fitting ceramics in a concept established for metals. This conceptual framework now alerts to blind sports and cross counterintuitive cross-relations.
Proceedings Inclusion? Undecided


Atomistic and Multiscale Computational Analysis of the Connection between Dislocation Slip and Ionic Transport in Plastically Deformed Oxides
Charged Dislocations in Ionic Ceramics: Equilibrium and Kinetics
Conceptual Framework for Dislocation Mechanics in Ceramics
Dislocation-Modified Photoelectric Properties of Oxide Ceramics
Effects of Light Illumination on the Dislocation-mediated Plasticity in Single-crystalline ZnO
In Situ Observation of Fracture Dominated by a Single Dislocation and Its Governing Mechanics
Understanding and Engineering Dislocations in Oxides at Room Temperature

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