FIELD: investigating and analyzing materials.
SUBSTANCE: method comprises choosing article to be tested, choosing method of nondestructive testing, determining the site of most probable appearance of defects, making reference specimen during which one or two groups of randomly distributed defects are built in, testing the specimen by operators, and determining the total number of defects revealed by the first operator, then that revealed by first and second operators at least once and so on until the results of testing of two later operators add nothing to the results of testing by previous operators.
EFFECT: improved method.
2 dwg
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Authors
Dates
2004-12-27—Published
2003-03-21—Filed