Ti-based BCC Alloy: Dehydrogenation Characterization Using Synchrotron and Neutron Diffraction

Autor:	Thomas Bibienne, Roxana Flacau, Chang-Yong Kim, Jean-Louis Bobet, Jacques Huot
Jazyk:	angličtina
Rok vydání:	2016
Předmět:	BCC alloys in-situ measurements synchrotron radiation neutron diffraction Materials of engineering and construction. Mechanics of materials TA401-492
Zdroj:	Materials Research, Vol 19, Iss suppl 1, Pp 8-12 (2016)
Druh dokumentu:	article
ISSN:	1516-1439 1980-5373
DOI:	10.1590/1980-5373-mr-2016-0075
Popis:	Dehydrogenation of a BCC alloy of composition 52Ti-12V-36Cr doped with 4 wt.% Zr7Ni10 was studied by diffraction using synchrotron and neutron radiations. In the case of synchrotron radiation dehydrogenation was imposed by raising the temperature while keeping the sample under vacuum. We found that prior to final dehydrogenation the FCC dihydride phase is becoming metastable. Neutron in-situ experiment was done by keeping the deuterided sample at 200°C and slowly reducing the pressure. This lead to a reduction of the occupation factor of deuterium in the FCC phase and an increase of the isotropic atomic temperature factor of deuterium.
Databáze:	Directory of Open Access Journals
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