NEW HYDRIDE FORMATION OF MOSI2-TYPE INTERMETALLIC COMPOUNDS AT HYDROGEN PRESSURES UP TO 2000 ATM

Citation
Sn. Klyamkin et al., NEW HYDRIDE FORMATION OF MOSI2-TYPE INTERMETALLIC COMPOUNDS AT HYDROGEN PRESSURES UP TO 2000 ATM, Journal of alloys and compounds, 204(1-2), 1994, pp. 65-69
Citations number
6
Categorie Soggetti
Chemistry Physical","Metallurgy & Mining","Material Science
ISSN journal
09258388
Volume
204
Issue
1-2
Year of publication
1994
Pages
65 - 69
Database
ISI
SICI code
0925-8388(1994)204:1-2<65:NHFOMI>2.0.ZU;2-U
Abstract
The interaction of the MoSi2-type intermetallic compounds Zr2Pd, Hf2Pd and Hf2Cu with hydrogen at pressures up to 2000 atm has been investig ated. Absorption and desorption isotherms were measured at 293 K. For each system the formation of two hydride phases was established: tetra gonal A2BH(approximately 3) and orthorhombic A2BH5.5-6. The volume exp ansions for these phases were 8%-10% and 21%-25% respectively. The the rmal desorption of hydrogen from these phases was also studied.