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AB5 type multicomponent TiVCoNiMn2 high-entropy alloy

2024/03/24 by Abhishek Kumar, M.A. Shaz, Kumar, Abhishek +5
Engineering · #14J60 #Additive Manufacturing Materials and Processes #FOS: Physical sciences #High Entropy Alloys Studies #High-Temperature Coating Behaviors #I.6.5 #Materials Science (cond-mat.mtrl-sci)

paper · pdf · doi:10.48550/arxiv.2403.16241

openalex publication_date 2024/03/24 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Recent theoretical and practical research has focused on multi-component High Entropy Alloys (HEAs), which have superior mechanical and functional properties than standard alloys based on a single major element, thereby establishing a new field. A multi-component HEA contains five or more primary elements at concentrations ranging from 5 to 35 atomic percent. We examined the microstructure and mechanical properties of TiVCoNiMn2 HEA. The mixing enthalpy and other thermodynamic parameters were determined using Meidma's model. TiVCoNiMn2 exhibits a mixing enthalpy of -15.6 kJ/mol and an atomic radius mismatch of approximately 10.03%. HEA is derived from both hydride and non-hydride-producing elements. This could be a useful hydrogen storage material. The hydrogen absorption/desorption capabilities of these HEAs are promising.

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