{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,27]],"date-time":"2026-03-27T03:19:00Z","timestamp":1774581540148,"version":"3.50.1"},"reference-count":35,"publisher":"MDPI AG","issue":"24","license":[{"start":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T00:00:00Z","timestamp":1734048000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"EUR EIPHI Graduate school","award":["ANR-17-EURE-0002"],"award-info":[{"award-number":["ANR-17-EURE-0002"]}]},{"name":"Bourgogne-Franche-Comt\u00e9 Region","award":["ANR-17-EURE-0002"],"award-info":[{"award-number":["ANR-17-EURE-0002"]}]},{"name":"French RENATECH network and its FEMTO-ST technological facility \u201cMIMENTO\u201d","award":["ANR-17-EURE-0002"],"award-info":[{"award-number":["ANR-17-EURE-0002"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>Hydrogen storage in intermetallic compounds, known as solid-state storage, relies on a phase change by the metal alloy. This phenomenon causes a violent change in volume at the crystalline scale, inducing a change of volume for the millimetric particles and, with time, important stresses on the tanks. It is thus necessary to know the mechanical behavior of the material to report these phenomena and improve the tanks\u2019 reliability. The present study deals with the mechanical characterization of Ti0.5Fe0.45Mn0.05 alloy at different scales. First, the elastic modulus was measured by compression tests of cylindrical samples. The estimated macroscopic elastic modulus was about 198 GPa, with high variability, from 163 to 229 GPa. Secondly, ultrasonic elastic characterization together with instrumented indentation allowed an estimation of both Young\u2019s modulus and Poisson\u2019s ratio at 269 GPa and 0.29, respectively. Finally, the nanoindentation results, combined with SEM imaging and EDS analyses, revealed that several metallurgical phases coexist below the particle scale. Four distinct domains in terms of elasticity were clearly identified. The coherence of all these estimations is discussed and interpreted considering the true microstructure of the material and the defects present in the different samples.<\/jats:p>","DOI":"10.3390\/ma17246100","type":"journal-article","created":{"date-parts":[[2024,12,13]],"date-time":"2024-12-13T05:55:45Z","timestamp":1734069345000},"page":"6100","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Multiscale Elastic Modulus Characterization of Ti0.5Fe0.45Mn0.05, an Iron\u2013Titanium\u2013Manganese Alloy Dedicated to Hydrogen Storage"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2931-0881","authenticated-orcid":false,"given":"Ludovic","family":"Bebon","sequence":"first","affiliation":[{"name":"Department of Applied Mechanics, FEMTO-ST Institute, CNRS, Universit\u00e9 de Franche-Comt\u00e9, 25000 Besan\u00e7on, France"},{"name":"Fuell Cell LAB\u2013\u2013FCLAB (UAR2200), 90000 Belfort, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6419-3284","authenticated-orcid":false,"given":"Anne","family":"Maynadier","sequence":"additional","affiliation":[{"name":"Department of Applied Mechanics, FEMTO-ST Institute, CNRS, Universit\u00e9 de Franche-Comt\u00e9, 25000 Besan\u00e7on, France"},{"name":"Fuell Cell LAB\u2013\u2013FCLAB (UAR2200), 90000 Belfort, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yves","family":"Gaillard","sequence":"additional","affiliation":[{"name":"Department of Applied Mechanics, FEMTO-ST Institute, CNRS, Universit\u00e9 de Franche-Comt\u00e9, 25000 Besan\u00e7on, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David","family":"Chapelle","sequence":"additional","affiliation":[{"name":"Department of Applied Mechanics, FEMTO-ST Institute, CNRS, Universit\u00e9 de Franche-Comt\u00e9, 25000 Besan\u00e7on, France"},{"name":"Fuell Cell LAB\u2013\u2013FCLAB (UAR2200), 90000 Belfort, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,12,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"294","DOI":"10.1016\/j.jallcom.2006.08.070","article-title":"Hydrogenation Properties and Crystal Structure of the Single BCC (Ti0.355V0.645)100\u2212xMx Alloys with M = Mn, Fe, Co, Ni (X = 7, 14 and 21)","volume":"439","author":"Challet","year":"2007","journal-title":"J. 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