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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Advances in Multi-Principal Element Alloys V: Mechanical Behavior
Presentation Title Experimental Study of Corrosion, Wear and Biocompatibility Behavior of Novel Senkov-Derivative Refractory High-Entropy Alloys
Author(s) Babra Abbas, Hugh Shortt, Baldur Steingrimsson, E-wen Huang, Paul Bunch, Jayant Jain, Peter Liaw
On-Site Speaker (Planned) Hugh Shortt
Abstract Scope Design, biocompatibility, and mechanical properties are crucial considerations for development of biomedical implant materials. This study investigated corrosion behavior and tribo-efficiency of novel Senkov-derivative refractory high-entropy alloys (RHEAs), highlighting their potential for biomedical applications. The study featured tribological testing, electrochemical characterization and cell-culture testing. In the corrosion study, electrochemical impedance spectroscopy was employed to prepare comparative open circuit potential, Nyquist and Tafel plots for (HfNb)30(TaTi)50Zr20 RHEA, (HfNb)50(TaTi)30Zr20 RHEA and two references (Ti90Al6V4 and the Senkov alloy HfNbTaTiZr). The authors completed corrosion testing of the samples in Ringer's and physiological saline to evaluate material degradation in simulated physiological conditions. In pre- and post-corrosion analyses, the RHEAs (bio-HEA candidates) exhibited comparable or improved corrosion resistance against the references. This could be attributed to formation of a stable and protective oxide layer formed in case of the RHEAs. The multicomponent nature of RHEAs can enhance passivity and self-healing ability of these oxide films.
Proceedings Inclusion? Planned:
Keywords Biomaterials, Environmental Effects,

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Accelerated screening of composition-structure-property relationships in MPEAs
Accurate Determination of the Deformation Mechanisms in Refractory Compositionally Complex Alloys
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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
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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
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Compositionally Tuned Cryogenic Plasticity in TiZrHf-Based HCP High-Entropy Alloys
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Creep Properties of NbTaTi-Based Refractory High-Entropy Alloys
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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
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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
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