HYDROGEN OVERVOLTAGE AND ELECTROCHEMICAL POTENTIALS OF ZIRCONIUM AND ZIRCONIUM INTERMETALLICS
Technical Report
·
OSTI ID:4678737
Hydrogen overvoltage measurements of Zr, Zr/sub 2/Ni, Zr/sub 2/Cu, ZrV/ sub 2/, and Zr--90 wt% Nb were made in 1M H/sub 2/SOsub 4/ over a large current density range. Electrochemical potentials as a function of time were measured for the following galvanic cells: Zr-- Zr/sub 2/Ni, Zr-- Zr/sub 2/C, Zr-- ZrV/sub 2/, Zr-- ZrFe/sub 2/ ZrCr/sub 2/, and Zr--(Zr--90 wt% Nb). A relationship linking hydrogen overvoltage and hydrogen pickup is presented which is based on a relationship between hydrogen overvoltage and the heat of adsorption of atomic hydrogen. This relationship is coinpared with known hydrogen pickup data and the present electrochemical measurements. (auth)
- Research Organization:
- General Electric Co. Vallecitos Atomic Lab., San Jose, Calif.
- NSA Number:
- NSA-17-034403
- OSTI ID:
- 4678737
- Report Number(s):
- GEAP-4192; EURAEC-620
- Country of Publication:
- United States
- Language:
- English
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