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Hydrogen and deuterium in Pd-25 Pct Ag alloy: Permeation, diffusion, solubilization, and surface reaction

TitoloHydrogen and deuterium in Pd-25 Pct Ag alloy: Permeation, diffusion, solubilization, and surface reaction
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1998
AutoriSerra, Emanuele, Kemali M., Perujo A., and Ross D.K.
RivistaMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume29
Paginazione1023-1028
ISSN10735623
Parole chiaveAdsorption, Ag-alloy, Alloys, Chemical reactions, Computer control systems, Computer controlled microbalance system, deuterium, diffusion, Diffusivities, Gasphase, Hydrogen, Hydrogen solubility, Mechanical permeability, Mechanical variables measurement, Microbalances, Palladium, Palladium alloys, Permeation, Permeation gas phase technique, Permeation measurements, Pressure ranges, Sieverts law, Sieverts' law, silver, Silver alloys, Solubility, Surface constant, Surface reaction, Surface reactions, Temperature range, Transport parameters
Abstract

In this work, the hydrogen and deuterium transport parameters such as permeability, diffusivity, and solubility in a Pd-25 pct Ag alloy are studied, using a permeation gas phase technique and, additionally, a computer-controlled microbalance system. In the region in which Sieverts' law is valid, the hydrogen solubilities found using both techniques are in very good agreement. From permeation measurements, the surface constants for the adsorption (σk 1) and release (σk 2) of hydrogen and deuterium in Pd-25 pct Ag alloy are also determined. The measurements cover the temperature range from 323 to 773 K and a pressure range from 1 to 10 5 Pa.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0032021967&doi=10.1007%2fs11661-998-1011-3&partnerID=40&md5=e39a76b72e1291bb57e2fc455d70a0b4
DOI10.1007/s11661-998-1011-3
Citation KeySerra19981023