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Meeting

MS&T26: Materials Science & Technology

Symposium

Progress in High Entropy Materials: Integrating Experiments, Computation, and Machine Learning

Presentation Title

Wide-Temperature Superelasticity of a Zr–Ti–Cu–Ni-Al High-Entropy Alloy

Author(s)

Dong Ma

On-Site Speaker (Planned)

Dong Ma

Abstract Scope

High-entropy alloys (HEAs) offer exceptional microstructural stability and tunable mechanical properties, making them promising for superelastic applications. However, in Zr–Ti–Cu–Ni-Al systems, the link between high configurational entropy and martensitic transformation kinetics—which governs recoverable strain—remains poorly understood. This study systematically examines how entropy driven phase stabilization affects transformation temperatures, microstructure evolution, and deformation mechanisms in a Zr–Ti–Cu–Ni-Al high-entropy alloy. We reveal the role of alloying additions in tuning superelastic recoverability and the stability of the superelastic response over a wide temperature range. Our findings provide new insights into entropy mediated martensitic transformations and have important implications for developing multicomponent alloys with enhanced superelasticity and transformation induced plasticity (TRIP).

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Computational Framework for BCC–B2 Precipitation Strengthening in High Entropy Alloys

Accelerated Discovery of High Entropy High-Temperature Materials by Data-Driven Methodology

Chemical Short-Range Order in Covalent High-Entropy Ceramics and Its Impact on Radiation Tolerance

Composition Design of Refractory High-Entropy Alloys with Machine Learning Models

Compositionally Complex Alloy Nanoparticles via Nanosecond Laser-Induced Dewetting

Compositionally complex (Hf,Zr,Nb,Ti)B2-LaB6 ceramics

Computational Investigation of Thermodynamic Stability in Novel High Entropy MAB Phases Based on the Cr₄AlB₄ Structure

Diffusion Modeling for Homogenization Design of Refractory High-Entropy Alloys

Elasticity and Electronic Structure of Ta-W Alloys

Electronic-Structure-Guided Design of Ductile Tungsten-Based Alloys for Fusion Applications

Energetics and Critical Stresses of Competing Deformation Mechanisms in Metastable Multicomponent Ti Alloys

Entropy, Zentropy and ZENN

From High-Entropy Ceramics to Compositionally Complex Ceramics and Beyond

High Entropy Ceramics: Promises and Problems

Lattice Distortion–Driven Transition from Screw to Edge Dislocation Glide Enhances High-Temperature Strength Retention in Refractory High-Entropy Alloys

Living and Jumping Around in Rough Potentials

Mechanistic Investigation Understanding of Alloying Effects on Catalytically Relevant Features and Subsequent ML Predictions of Adsorption Energies and Electronic Structure in FCC HEAs from DFT, ML and Monte Carlo Simulations

Mixing Ultrahigh Temperature Ceramics: The Role of Enthalpy and Entropy

Predicting Interstitial Elements in Refractory Complex Concentrated Alloys

Predictive Control of Defect Kinetics and Design Damage-Tolerant Concentrated Alloys

Probing Phase Stability in CrMoNbV and HfNbTiV Alloy Systems Using Atomistic Simulations

Rapid On-Demand Synthesis (RODS) of Metallic Structural Materials: An Essential Capability for HEAs

Supply Risk and Cost-Aware Multi-Objective Materials Discovery

Toward Predictive Design of High Entropy Spinels Through Local Structure

Transferability of Universal Machine Learning Interatomic Potentials to Vacancy and Dislocation Defects in Refractory Alloys

Understanding Oxygen Vacancies Energetic in Mg-O Based High Entropy Oxides from DFT

Wide-Temperature Superelasticity of a Zr–Ti–Cu–Ni-Al High-Entropy Alloy

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