Hydrogen compatibility of structural materials for energy storage and transmission applications. Semiannual report, January 15, 1976
Work on the hydrogen compatibility of structural materials for pressure vessels and pipelines is proceeding along several fronts. In support of Brookhaven National Laboratories (BNL), the tensile behavior of a number of carbon and pressure vessel steels in high pressure hydrogen gas and in contact with iron-titanium hydride has been characterized. Slow crack growth studies of pressure vessel steels are nearing completion. Studies addressing the protective value of brush electroplated coatings are being continued. A new silicon coating applied by vapor deposition is also under study. Self-loaded tensile specimens are being prepared for use by BNL in an in-situ accelerated test program. Efforts are underway to modify the hydrogen compatibility of manganese-carbon and high carbon steels by thermomechanical treatment, and to characterize their mechanical properties and microstructures. The effects of chemical segregation on hydrogen cracking are also being studied. Construction of the experimental hydrogen pipeline is proceeding satisfactorily with initial safety tests to be performed soon.
- Research Organization:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
- DOE Contract Number:
- AT(29-1)-789
- OSTI ID:
- 7196226
- Report Number(s):
- SAND-76-8206
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
CARBON STEELS
TENSILE PROPERTIES
HYDROGEN
TRANSPORT
HYDROGEN STORAGE
IRON HYDRIDES
TITANIUM HYDRIDES
PIPELINES
MATERIALS
PRESSURE VESSELS
STEELS
INTERMETALLIC COMPOUNDS
IRON ALLOYS
METALLURGICAL EFFECTS
RESEARCH PROGRAMS
TITANIUM ALLOYS
ALLOYS
CONTAINERS
CRYOGENIC FLUIDS
ELEMENTS
FLUIDS
HYDRIDES
HYDROGEN COMPOUNDS
IRON BASE ALLOYS
IRON COMPOUNDS
MECHANICAL PROPERTIES
NONMETALS
STORAGE
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
080200* - Hydrogen- Storage
Transport & Handling
080300 - Hydrogen- Transport- (-1989)
360103 - Metals & Alloys- Mechanical Properties