Investigations of intermetallic alloy hydriding mechanisms. Annual progress report, May 1, 1980-February 28, 1981
Technical Report
·
OSTI ID:6316782
Microstructural characterization of the hydrogen storage alloys has progressed in the La-Co, La-CoNi alloy system. The techniques employed in microstructural characterization were: optical metallography, x-ray powder pattern analysis, electron microprobe, and scanning electron microscopy with x-ray energy dispersive analysis. The extensive kinetic measurements undertaken during the previous periods indicated that the surface conditions were as important as bulk conditions in obtaining realistic rates. Two types of measurements were employed to monitor surface phenomena. The microbalance was first employed in direct in-situ measurements of normal air poisons and in the characterization of activation. Secondly, magnetic monitoring was used to characterize the surface segregation thought by many observers to be important in poisoning and/or resistance to it.
- Research Organization:
- Georgia Inst. of Tech., Atlanta (USA). Engineering Experiment Station
- DOE Contract Number:
- AS05-76ER05246
- OSTI ID:
- 6316782
- Report Number(s):
- DOE/ER/05246-T2; ON: DE85000858
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
08 HYDROGEN
080201 -- Hydrogen-- Chemisorption Storage
36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
360105 -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT ALLOYS
CRYSTAL STRUCTURE
DATA
EXPERIMENTAL DATA
HYDRIDATION
INFORMATION
INTERMETALLIC COMPOUNDS
KINETICS
LANTHANUM ALLOYS
MAGNETIC MOMENTS
MICROSTRUCTURE
NICKEL ALLOYS
NUMERICAL DATA
RARE EARTH ALLOYS
REACTION KINETICS
RESEARCH PROGRAMS
080201 -- Hydrogen-- Chemisorption Storage
36 MATERIALS SCIENCE
360102* -- Metals & Alloys-- Structure & Phase Studies
360105 -- Metals & Alloys-- Corrosion & Erosion
ALLOYS
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
COBALT ALLOYS
CRYSTAL STRUCTURE
DATA
EXPERIMENTAL DATA
HYDRIDATION
INFORMATION
INTERMETALLIC COMPOUNDS
KINETICS
LANTHANUM ALLOYS
MAGNETIC MOMENTS
MICROSTRUCTURE
NICKEL ALLOYS
NUMERICAL DATA
RARE EARTH ALLOYS
REACTION KINETICS
RESEARCH PROGRAMS