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U.S. Department of Energy
Office of Scientific and Technical Information

Gas Mixture for forming protective coatings on graphite

Patent ·
OSTI ID:4346337

A gaseous mixture of hydrogen, hvdrogen chloride, and a chloride of titanium, zirconium, or niobium provides protection for graphite surfaces from hydrogen corrosion at temperatures greater than 1500 deg C. The composition of the mixture is such that the metal chloride and hydrogen react with graphite to form a protective metal carbide layer. (Official Gazette)

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-29-021337
Assignee:
TIC; NSA-29-021337
Patent Number(s):
US 3785994
OSTI ID:
4346337
Country of Publication:
United States
Language:
English