DOI > 10.5291/ILL-DATA.5-22-771

This proposal is publicly available since 01/27/2025

Title

In-situ neutron diffraction during reversible deuterium loading in under-stoichiometric and Mn-substituted Ti(Fe,Mn)0.9 alloys

Abstract

The crystal structure of TiFe(0.90-x)Mnx alloys (x = 0 and 0.10) and their deuterides will be determined by in-situ neutron diffraction while recording Pressure-Composition Isotherms (PCI) at RT and 0.1 < PD2 < 100 bar. The aim is to analyse the influence of stoichiometry and Mn for Fe substitution in TiFe-type alloys on structural properties during reversible deuterium loading, still unsolved and unexplored. The alloy compositions have been selected within a promising composition range for an integrated, renewable, large-scale stationary hydrogen storage tank within the framework of the HyCARE European project; http://www.hycare-project.eu/. Alloys are synthetized by induction furnace and annealed at 1000 °C. They will be activated in lab and transferred into a stainless-steel holder used in previous experiments at ILL. The study will enable remarkable understanding on hydrogen storage, basic structural knowledge and support to the industrial application of TiFe-type alloys for the integrated hydrogen tank.

Experimental Report

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Data Citation

The recommended format for citing this dataset in a research publication is in the following format:

CUEVAS Fermin; DELEDDA Stefano; Erika Michela Dematteis; HAUBACK Bjorn C.; Michel Latroche; LAVERSENNE Laetitia and Junxian Zhang. (2020). In-situ neutron diffraction during reversible deuterium loading in under-stoichiometric and Mn-substituted Ti(Fe,Mn)0.9 alloys. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-22-771

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Metadata

Experiment Parameters

  • Environment temperature

    RT
  • Experiment energy

    1.28 Armstrongs

Sample Parameters

  • Formula

    • TiFe0.8Mn0.1
    • TiFe0.9