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Meeting MS&T23: Materials Science & Technology
Symposium High Entropy Materials: Concentrated Solid Solutions, Intermetallics, Ceramics, Functional Materials and Beyond IV
Presentation Title Mechanical Properties of the Dual-phase Multi-Principal Element Alloy W5Mo15Fe40Ni40
Author(s) Riya Barua, Thomas John Balk
On-Site Speaker (Planned) Riya Barua
Abstract Scope This study focuses on the development of a dual-phase multi-principal element alloy (MPEA) W5Mo15Fe40Ni40 that exhibits a promising combination of ductility and strength potential for structural applications. Previously, the equiatomic WMoFeNi MPEA has shown apparent shear band localization leading to self-sharpening behavior. The W5Mo15Fe40Ni40 alloy was derived from the equiatomic alloy and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and nanoindentation, which confirmed the presence of a second phase embedded in the FCC matrix. This topologically close-packed μ phase contributes to the alloy's significant strain hardening behavior. The μ phase volume fraction was tailored via heat treatment, yielding a good combination of strength and ductility. Vacuum arc melting was used to fabricate bulk specimens of W5Mo15Fe40Ni40. A specially designed micro-specimen testing apparatus was used for tension testing, and Gleeble thermo-mechanical bulk compression testing was used to determine yield behavior at high temperatures over a range of strain rates.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A First-principles Study of Calculation Parameters Affecting Vacancy Formation Energy in CoCrNi and CoCrFeNiMn High-entropy Alloys, with Comparison to Creep Activation Energy
Advanced Manufacturing of High-entropy Carbide Ceramics by Selective Laser Sintering and Spark Plasma Sintering
Advancing Fast-ionic Conductors Through Rare-earth High Entropy Oxides
Computational and Experimental Investigation of High Entropy Superalloys for Enhanced Creep Resistance
Data and Decision Science-driven Selection of High-entropy Alloy Coatings for Hot Forging Dies
Development of BCC-B2 Microstructure in Nb-Ti-Ru Refractory Superalloys
Dislocation-mediated Plasticity in Entropy Stabilized Oxides at Room Temperature
Dislocation Dynamics in NbMoTaW, Body Centered Cubic Multi-principal Element Alloy
Effect of Surface Microstructure Modification on the Oxidation Behavior of a TaTiCr RMPEA
Elastic Constants Predictions in Multi-Principal Element Alloys from DFT and Machine Learning
Entropy Boosting Ionic Conductivity in Crystalline Solids
F-10: The Effect of W Concentration on the Thermodynamic Properties of MoNbTaW
F-11: The Research Thermochemical Pressing Modes of Dual-phase Special Alloys for Obtaining Rational Intermetallic Structure
F-12: Thermal, Electrical, and Magnetic Properties of Multi-Principal Element Alloys
F-2: Additive Manufacturing feasibility of MoNbTi Refractory Complex Concentrated Alloys
F-3: Effect of Composition and Temperature on the Formation of Intermetallic Coatings Based on Nickel and Aluminum on Iron and Titanium Surfaces during Laser Surface Treatment
F-4: Effect of Heat Treatment on Microstructures and Mechanical Characteristics of Quaternary High Entropy Alloys
F-5: Effects of Laser Shock Peening Surface Modification on Oxidation Behavior of NbTi-X Refractory Complex Concentrated Alloys
F-6: Formation of Intermetallic Alloys of the Ti-Al System with Low-melting Eutectic and Ti-Al under Conditions of Synthesis of Complex Functionally Active Charges
F-7: Lightweight Refractory High Entropy Alloys with Excellent Specific Strength and Enhanced Ductility By In-situ Heterogeneous Structure
F-8: Microstructure and Strengthening Mechanisms of Novel Lightweight TiAlV0.5CrMo Refractory High-entropy Alloy Fabricated by Mechanical Alloying and Spark Plasma Sintering
High-Temperature Oxidation of Refractory High Entropy Alloys: Role of Reactive Elements on Scale formation.
Investigation of Mechanical Properties and Ductility-strength Trade-offs in Multi-Principal Element Alloys through First-principles Database
Machine Learning-assisted Property Mapping of Al-Co-Cr-Fe-Ni High-Entropy Alloys from First-principles Calculations
Machine Learning-driven Design of High Entropy Alloys to Catalyze CO2 Reduction Reaction
Machine Learning Oxidation Resistance in Refractory Alloys and High-throughput Experiments
Mechanical Behaviour of a Low-SFE FCC Ternary Medium Entropy Alloy Subjected to High Pressure Torsion
Mechanical Properties of the Dual-phase Multi-Principal Element Alloy W5Mo15Fe40Ni40
Multi-scale Characterization of 3D Printable CrCoNi-based ODS-MPEA Designed for High-temperatures and Extreme Environments
Nanocrystalline High-entropy Alloys: Synthesis, Mechanical Properties, and Thermal Stability
Nanograin Stabilization in High Entropy Alloy Without the Need for “Extra” Solute
Ordering in Multi-principal Component UHTC Carbides
Oxidation and Microstructures of Non-body Centered High Entropy Alloys
Predicting Thermodynamic, Thermal, and Mechanical Properties of MoNbTaTi-based Refractory High Entropy Alloys
Prediction of the Ordering Behavior of Alloying Atoms and Diverse Properties of Alloy Phases with Complex Compositions and/or Complex Structures
Stress Induced Martensite Transformation and Superelastic Effect in TiZrHfNbAl High Entropy Alloys
Study of Microstructure and Deformation Behavior of MnFeNi Medium Entropy Alloy
Study on Early-stage Irradiation Damage in Concentrated Solid-solution Alloys by Nanoindentation
Superior High-temperature Strength in a Supersaturated Refractory High-entropy Alloy
Surface Enhancement of Refractory Multi-principal Element Alloys Containing Al by Gas Nitriding
Synthesis and Characterization of High Entropy Nitrides
Thermal Properties and Calcium-Magnesium-Aluminosilicate (CMAS) Corrosion Resistance of High Entropy Rare-earth Phosphate (Lu0.2Yb0.2Er0.2Y0.2Gd0.2)PO4: A Novel Environmental Barrier Coating (EBC) Candidate
Understanding Oxidation Behavior and Microstructure Evolution of Si-based Coatings Formed on Refractory Multi-principal Element Alloys

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