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METHOD FOR TESTING COATINGS

Patent ·
OSTI ID:4284356
;

A method is described for detecting pin hole imperfections in coatings on uranium-metal objects. Such coated objects are contacted with a heated atmosphere of gaseous hydrogen and imperfections present in the coatings will allow the uranlum to react with the hydrogen to form uranium hydride. Since uranium hydride is less dense than uranium metal it will swell, causing enlargement of the coating defeot and rendering it visible.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-13-004333
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2851338
OSTI ID:
4284356
Country of Publication:
United States
Language:
English

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Related Subjects

CHEMICAL REACTIONS
COATING
DEFECTS
DENSITY
EXPANSION
GASES
HEATING
HYDROGEN
METALS
PATENTS
TESTING
URANIUM
URANIUM HYDRIDES
VOLUME