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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Advances in Multi-Principal Element Alloys V: Mechanical Behavior
Presentation Title Response of the Al0.3CoCrFeNi Multi-Principal Element Alloy to Uniaxial Loading and Creep using Crystal Plasticity Finite Element Method.
Author(s) Anshu Raj, Namit Pai, Anirban Patra, Peter K. Liaw, Shuozhi Xu
On-Site Speaker (Planned) Anshu Raj
Abstract Scope Understanding the high-temperature deformation behavior of multi-principal element alloys (MPEAs) is essential for their application in extreme environments. In this study, we examine the uniaxial loading and creep response of Al0.3CoCrFeNi MPEA using a crystal plasticity finite element method implemented in the MOOSE framework. Our simulations capture key deformation mechanisms, including strain localization and time-dependent plasticity, under both monotonic and sustained loading at elevated temperatures. The results reveal how the alloy accommodates stress over time and provide mechanistic insight into its exceptional creep resistance. This work advances predictive modeling of MPEAs and supports their design for high-performance structural applications.
Proceedings Inclusion? Planned:
Keywords High-Entropy Alloys, Modeling and Simulation, Mechanical Properties

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Atomic-Scale Imaging of Chemical Order and Lattice Distortion in Medium/High-Entropy Nanoalloys
A Perspective on Multiscale Computational Approaches to Understanding Process–Structure–Mechanical Property Relationships in Multi-Principal Element Alloys
A study of ordering in chemically complex alloy CrCoNi using Extended X-ray Absorption Fine Structure (EXAFS) under static diamond anvil cell compression
A study of the active deformation mechanisms in the refractory high entropy alloy Al0.33Mo0.33Nb0.33Ta0.33TiZr
Accelerated MD investigation of screw dislocation strengthening mechanism in BCC Multi-Principal element Alloys
Accelerated screening of composition-structure-property relationships in MPEAs
Accurate Determination of the Deformation Mechanisms in Refractory Compositionally Complex Alloys
Achieving Deformation-Induced Nano-sized Twins and hcp Structures in FCC Complex Concentrated Alloys Under Charpy Impact Testing
Additive Manufacturing: From Complex Alloys to Simple Alloys
Advanced Characterization of Engineering Applications of a Strong and Ductile Medium Entropy Alloy with Known Short-Range Order
Advanced In-Situ Diffraction Studies on Multi-Principal Element Alloys and Intermetallics
Aging-Enhanced Ductility in TiZrNb-O Complex Concentrated Alloys
AI-Enabled Multiscale Design of Ultrastrong Refractory Alloys
Atomic-Level Bonding Control in Multi-Principal Element Alloys: Pathways to Tuning Mechanical Performance and Radiation Behavior
Atomic-level defects on dislocation lines and their role in refractory complex alloy strength
Atomistic Tracking of Self Diffusivity in Multi-Principal Element Alloys
Bi-continuous W-rich Refractory High Entropy Alloy-Cu Composite: Toward material innovation of nuclear reactor coolant system
CALPHAD-Guided Development and Mechanical Evaluation of Dual-Phase CoFeNiVTi Alloys
Combinatorial microstructure & stoichiometry-based and hybrid machine learning & domain knowledge for hardness mapping in a high-entropy alloy
Comparison of NbxMo1-x and (VNbTa)xMo1-x Refractory MPEA Thin Films by In Situ Microcantilever Beam Bending
Complex deformation behavior of a partially recrystallized metastable medium-entropy alloy: In-situ synchrotron X-ray diffraction study
Compositionally Tuned Cryogenic Plasticity in TiZrHf-Based HCP High-Entropy Alloys
Creep behavior of CoCrNi-based alloys
Creep Properties of NbTaTi-Based Refractory High-Entropy Alloys
Data Driven Design for Multicomponent Chemistries with Property Trade-offs
Deformation Characteristics and Phase Transformation in a B2-Base High-Entropy Alloy (HEA)
Design and Development of Lightweight Medium and High-Entropy FeMnAlC Steels
Dislocation Analysis of CrCoNi using Micropillar Experiments and Molecular Dynamics Simulations
Dislocation Properties in Refractory Compositionally Complex Alloys
Dry Sliding Wear of Cu-Alloyed Low-Carbon Steels: Role of Oxides and Quenching Temperature
Ductile-Brittle Transitions in bcc Refractory High-Entropy Alloys
Dynamic properties of NbTaTiHf High-Entropy Alloy
EBSD analysis of microstructure evolution in hot-deformed WMoFeNi MPEA Alloy system
Effect of minor Ge/Mo/W on the corrosive behavior in FCC CoCrFeNi high-entropy alloy
Effect of Mo-addition on fracture behavior and mechanical properties of NbTaTiV-based refractory high-entropy alloys
Effect of Stacking Fault Energy on Mechanical Behavior and Microstructures in High/Medium Entropy Alloys
Evaluation of hydrogen embrittlement of welded metals at 15 K
Evolution of the BCC + B2 microstructure and its high temperature stability in refractory high entropy alloys (INVITED TALK)
Examining the influence of multiphase evolution and elemental partitioning on mechanical behavior in Nb-V-Zr alloys
Excellent tensile properties in a Al0.3CoFeNi High Entropy Alloy attributed to ordering phase transformations
Experimental Study of Corrosion, Wear and Biocompatibility Behavior of Novel Senkov-Derivative Refractory High-Entropy Alloys
Exploiting Process-Structure-Property Relationships for the Accelerated Development of High Entropy Alloys
Exploration of Local Ordering in Multi-Principal Elemental Alloy systems for Nuclear Fusion Applications Through the Use of Total Scattering
Exploring Phase Stability and Deformation Mechanisms in Refractory Compositionally Complex Alloys Across the Compositional Boundary Between Mo–W-Rich and Senkov-Type Alloys
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Hierarchical texture with consecutive onset of deformation twinning in CoCrFeMnNi high-entropy alloy
High yield strength and exceptional work hardening in hierarchical-structured high-entropy alloys
Hydrogen-Enhanced Localized Plasticity in Nanoparticle-Reinforced CoCrFeNi Medium-Entropy Alloys
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Machine Learning Prediction of High Order Slip Energetics and Their Effect on Strain Hardening in Refractory High-entropy Alloys
Mapping Deformation Mechanisms in Multi-Phase BCC MPEAs via In-Situ TSEM and 4D-STEM
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Mechanical Behaviors of Multi-Principal Element Alloys via Atomistic Simulations and Machine Learning: Non-Equiatomic HEAs and TRIP-Enabled RHEAs
Metal Nanostructuring by High-Pressure Torsion: Defect-Induced Microstructure Characterization
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Nanostructures in Multicomponent High-Entropy Cantor Alloys
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On the temperature dependence of damage tolerance in bcc refractory medium/high-entropy alloys
Order-disorder transitions of the high-entropy Heusler alloys
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Response of the Al0.3CoCrFeNi Multi-Principal Element Alloy to Uniaxial Loading and Creep using Crystal Plasticity Finite Element Method.
Rotational deformation twins in a ductile B2-ordered refractory high entropy alloy
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