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Meeting MS&T22: Materials Science & Technology
Symposium Inference-based Approaches for Material Discovery and Property Optimisation
Presentation Title A General Solid Solution Strengthening Model in Multicomponent Alloys
Author(s) Taiwu Yu, Thomas Barkar, Paul Mason
On-Site Speaker (Planned) Taiwu Yu
Abstract Scope In the most recent decades, the demand of high-throughput calculations increases significantly for materials designs. An ICME (Integrated Computational Materials Engineering) framework is proposed to predict the solid solution strengthening of multicomponent systems. We adopted Walbrühl’s framework which is based on the concentration dependence of x^(2/3) as proposed by Labusch and fitted the coefficients with experimental and computational simulated results. Furthermore, we calibrated the model and optimized the parameters with over 1000 alloy systems, including a wide range of elements. The calibrated systems include pure metals, binary, ternary and multi-component high entropy alloys. The calibrated model gives a good agreement between the calculated and experimental values. The parameters have been implemented into the Thermo-Calc software to design alloys within the solubility range of the desired phases to obtain properties needed.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A General Solid Solution Strengthening Model in Multicomponent Alloys
Alloy-agnostic Criteria for Solidification Cracking Susceptibility Evaluation
Comparing High-dose Simulated Irradiation in Tungsten to Experiments
Exploring the Evolution of Irradiation-induced Defects Through Their Energetic Signatures
High Throughput CALPHAD-based Thermodynamic and Kinetic Evaluation of Stainless-steel Solidification
Multi-technique Characterisation of Ion-irradiation Effects on High-pressure-Torsion (HPT) Processed EUROFER-97
Probing the Local Charge Density and Phonon Dynamics by Electron Microscopy
Uncover Hidden Materials Properties with the Lens of Machine Learning
Using Local Thermal Transport Property to Characterize Microstructure of Materials from Additive and Advanced Manufacturing Technologies

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