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Meeting 2nd World Congress on High Entropy Alloys (HEA 2021)
Symposium 2nd World Congress on High Entropy Alloys (HEA 2021)
Presentation Title Stacking Fault Energy (SFE) of Multi-component Alloys Based in Fe80-X MnXCo10Cr10 (X= 20, 30, 40, 50 at%) Using a Computational Approach
Author(s) Katherine Paredes Gil, Jose Yesid Aguilar Hurtado
On-Site Speaker (Planned) Katherine Paredes Gil
Abstract Scope Fe50-xMn30Co10Cr10Bx (x = 0, 3, 5 and 10 at.-%) alloys were recently manufactured showing a martensitic transformation from fcc to hcp as consequence of the stacking faults presence. This causes a reduction in the stacking faults energy (SFE) increasing the solid solution strengthening and activating several deformation mechanisms which are responsible of the increased mechanical properties. In this direccion, it is our interest to gain insight in the SFE of Fe80-xMnxCo10Cr10 (X=20, 30, 40, 50 at%) and Fe30Mn50Co10Cr10B5 using ab initio calculations. We employ the special quasi-random structures method (SQS) to predict the most probable positions the different atomic species in a supercell of 60 atoms, and after periodic DFT calculations using PBE functional, and a cutoff of 500 eV were carried out using VASP software. The SFE results based in the Stocks et.al model are agreement to experimental SFE and allow to rationalize the strain-hardening behavior since the structural characteristics.
Proceedings Inclusion? Undecided

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Accelerated Development of Refractory Multi-principal Element Alloys via Machine Learning
Advanced Characterization of High-temperature Oxide Evolution in NbTiZr
Applying Physical Metallurgy Principles to Multi-principal Element Alloys
Atomic Simulations of FeCoCrMnSi High Entropy Alloys
Atomistic Simulations of Deformation Response in High Entropy Alloys
Atomistic Simulations of the Local Slip Resistances in Four Refractory Multi-principal Element Alloys
Boron Addition in a Non-equiatomic Fe50Mn30Co10Cr10 Alloy Manufactured by Laser Cladding: Microstructure and Wear Abrasive Resistance
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Cold Spray of Medium and High Entropy VCoNi, CrCoNi and CrCoFeMnNi Coatings: Effects of Topical Oxides
Combinatorial Thin Film Screening of Non-equiatomic Refractory High Entropy Alloy
Computational Design of a Lightweight and Ductile Refractory Alloy
Computational Framework for Discovering High Entropy Alloy with Improved Properties
Computing Thermodynamic Properties for Reduced Activation High Entropy Alloys
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Data-driven Design of Refractory High-entropy Alloys
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Deformable Plastic Strain-induced Epsilon-martensite in Medium-entropy Alloys: A Pathway towards Multi-stage Metastability Engineering
Demonstration of Latin Hyper Cube as a Tool for the Design of Experiment of Laser Additive Manufacturing for MPEAs
Dense, Fine-grained Refractory Metal Alloys via a Low-temperature, Chemical-reaction-based Powder Metallurgical Process
Design of HEAs for Additive Manufacturing Using High-throughput Methods
Design of Low Cost Compositionally Complex Alloys (CCAs) with Excellent Corrosion Resistance
Design of Silicide Strengthening Refractory High-entropy Alloys
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Determination of Transformation Pathways and Microstructural Evolution in Multi-principal Element Alloys using Coupled Materials Characterization and Phase Field Modeling
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Guidelines for Beneficial Short-range Ordering: Composition-dependent Plasticity Effects
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High-throughput and Machine Learning Accelerated Discovery of Corrosion-resistant Alloy for Molten Salt Applications
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High-throughput, High-temperature Heavy Ion Irradiation of Annealed CrFeMnNi Magnetron-sputtered Combinatorial Thin Film
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NOW ON DEMAND: Recent Advances, Hardening, Softening and Ductility in High Entropy Brasses and Bronzes
NOW TUESDAY 2 PM: Investigating the Internal Oxidation of High Entropy Alloy
ON DEMAND: An Experimental Study of the Effects of Deviations from AlCoCrFeNi Alloy Composition and Heat Treatment on the Microstructure, Phase Stability and Properties of Cast High Entropy Alloys
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ON DEMAND: Designing New Corrosion Resistant Materials with Exceptional Strength-ductility Synergy and Good Weldability Using High Entropy Approach
ON DEMAND: Developing High Entropy Alloys for Advanced Nuclear Applications
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One Order of Magnitude Improvement of the Magnetocaloric Effect of Rare-earth-free High-entropy Alloys
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The Interplay between Phase Transformation and Mechanical Properties in High Entropy Alloys
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Thermodynamic and Mechanical Properties Prediction within the Cr-Fe-Mn-Ni Alloy System
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