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Meeting MS&T23: Materials Science & Technology
Symposium Advanced Characterization of Materials for Nuclear, Radiation, and Extreme Environments IV
Presentation Title Capturing 3D Evolution of Twin Networks in Titanium as a Function of Applied Strain
Author(s) Hi Vo, P Pinney, M.M. Schneider, R.J. McCabe, M. Arul Kumar, Carlos N. Tomé, Laurent Capolungo
On-Site Speaker (Planned) Hi Vo
Abstract Scope Deformation twinning (DT) is a primary plastic deformation mechanism in many structural metals. It is a key feature of advanced twinning-induced plasticity (TWIP) metals that exhibit high strength and ductility. However, there is significant and puzzling variability in mechanical properties among these alloys. The key insights lie in understanding the three-dimensional (3D) connectivity and morphology of the transformed networks and their evolution. In this talk, a graph-based architecture is introduced to study the evolution of 3D deformation twin networks as a function of strain. The application to twin networks in cryogenically compressed Ti reveals impressive interconnectivity that has never been observed before using two-dimensional (2D) characterization. Additionally, a graph-based Euclidian measure of distance is introduced to classify the connectivity and topology of these 3D twin networks. This graph-based taxonomy represents an important step toward correlating material design, deformation microstructure, and mechanical performance.


Accelerated Assessment of Microstructure-Mechanical Property Relationships in Ni Based Superalloys
Accelerated Creep Testing for High-Temperature and Nuclear Applications
Advanced In-situ Strain Mapping for Zr Oxidation by 4D-STEM
Assessing the Ability of Nuclear Fuel Performance Codes to Predict Radially Resolved Properties in Oxide Fuels
Capturing 3D Evolution of Twin Networks in Titanium as a Function of Applied Strain
Effect of Solutes on the Radiation Induced Segregation in Ferritic Alloys at ∑3- grain Boundaries
Effect of Strain Rate on Tensile Properties of C250 Maraging Steel
Enabling Multiscale Materials Characterization with Machine Learning
Four-dimensional Scanning Transmission Electron Microscopy (4D-STEM) Characterization of Intergranular Corrosion of Austenitic Stainless Steels in Lead-bismuth Eutectic
High-Temperature Irradiation Behavior of Piezoelectric Aluminum Nitride
In Situ SEM Nanomechanics at Cryogenic Temperatures
Interdiffusion Behaviour of UN with Zircaloy-4 via Diffusion Couple Studies
M-1: Novel Method for Fabricating and Analysis of 3D Printed Composite for Radiation Shielding Containing Metalized Halloysite Nanotube
Mapping Elemental Distributions Across Thin Corrosion Films Formed on Nuclear Reactor Core and Structural Materials via Ex-situ And In-situ Atom Probe Tomography
Multimodal Characterization of Materials Corrosion in Molten Salts
Phase Stability of Delta-ZrH Under Ion Irradiation
Probing Nanoscale Properties of Radioactive Material by Advanced Correlative Microscopy
STEM-based Mapping of Nanoscale Point Defects Produced via Temperature, Irradiation, And Corrosion
Structural Stability of REE-PO4 (REE=Sm,Tb) under Swift Heavy Ion Irradiation
Thermodynamic Modeling and Calculation of Phase Formation Processes Under Irradiation Conditions of Uranium-plutonium Nitride Fuel
Transition Metal Carbonitride Materials Exposed to Swift Heavy Ions

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