Development of Ti-V-Nb-Cr-Mn High Entropy Alloys for Hydrogen Storage
| hal.structure.identifier | Universidade Federal de Itajubá = Federal University of Itajubá | |
| dc.contributor.author | SERRANO, Leandro | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | MOUSSA, Maria | |
| hal.structure.identifier | Universidade Federal de São Paulo | |
| dc.contributor.author | YAO, Jie-Yi | |
| hal.structure.identifier | Universidade Federal de Itajubá = Federal University of Itajubá | |
| dc.contributor.author | SILVA, Gilbert | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | BOBET, Jean-Louis | |
| hal.structure.identifier | Universidade Federal do ABC = Federal University of ABC = Université Fédérale de l'ABC [Brazil] [UFABC] | |
| dc.contributor.author | FERREIRA, Sydney | |
| hal.structure.identifier | Universidade Federal de São Paulo | |
| dc.contributor.author | KÁTIA, Regina | |
| dc.date.issued | 2023 | |
| dc.identifier.issn | 0925-8388 | |
| dc.description.abstractEn | The development of novel high entropy alloys (HEA) of the TiVNbCrMn system for hydrogen storage is reported. The CALPHAD method was used to design alloys with a body centered cubic structures. Three alloy compositions, Ti35V35Nb20Cr5Mn5; Ti32V32Nb18Cr9Mn9; Ti27.5V27.5Nb20Cr12.5Mn12.5, were fabricated by the arc melting process and characterized by X-ray diffraction (XRD) and SEM techniques. The activation behavior during the 1st hydrogen absorption of these alloys was investigated at room temperature and 2 MPa of H2 pressure. These alloys absorb hydrogen forming FCC hydrides with high capacities of 2.47, 2.09 and 3.38 wt%, respectively. Activation kinetics and incubation times were distinct for each alloy’s composition. Hydrogen absorption/desorption cycles were performed for two alloys showing promising results since the maximum capacity of the alloys has been maintained despite a reduction in absorption kinetics. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | High entropy alloys | |
| dc.subject.en | Metal hydrides | |
| dc.subject.en | Hydrogen storage | |
| dc.subject.en | CALPHAD simulations | |
| dc.title.en | Development of Ti-V-Nb-Cr-Mn High Entropy Alloys for Hydrogen Storage | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.jallcom.2023.169289 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of Alloys and Compounds | |
| bordeaux.page | 169289 | |
| bordeaux.volume | 945 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-04081645 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-04081645v1 | |
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