Interaction of hydrogen isotopes with metals
- Aarhus Univ. (Denmark). Inst. of Physics
From an interplay between theory based on the effective-medium scheme and experiments, an extremely simple picture has evolved which is capable of describing a vast number of experimental quantities related to interaction of hydrogen with metals, especially the trapping of hydrogen at defects. It is shown that the trap strengths are determined mainly by the interstitial electron density, and any open structures in the lattice leads to a trap, with the vacancies and voids being the strongest traps. It is also found theoretically and experimentally that up to six hydrogen atoms can be accommodated in a vacancy, and the change in trap strengths with occupancy has been determined. Recent results for the trapping of deuterium to defects in Pd are discussed. 29 refs., 5 figs.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5658854
- Report Number(s):
- SAND-89-2232C; CONF-8905126--5; ON: DE90000811
- Country of Publication:
- United States
- Language:
- English
Similar Records
Theoretical examination of the trapping of ion-implanted hydrogen in metals
Effects of impurity trapping on irradiation-induced swelling and creep
Related Subjects
360104* -- Metals & Alloys-- Physical Properties
CRYSTAL DEFECTS
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DEFECTS
DEUTERIUM
ELEMENTS
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
METALS
NONMETALS
NUCLEI
ODD-ODD NUCLEI
PALLADIUM
PLATINUM METALS
POINT DEFECTS
STABLE ISOTOPES
TRANSITION ELEMENTS
TRAPPING
VACANCIES