FIELD: nondestructive testing of discontinuities, non-uniformity and other defects including X-ray testing of materials.
SUBSTANCE: proposed test specimen is made in form of article and has hole and cylindrical insert which has defects of the following groups: defects whose sizes lie within permissible limits to critical levels; defects whose sizes extend from permissible levels allowed during manufacture to allowable operation levels; defects from sizes of minimum permissible limits to sizes permissible during manufacture.
EFFECT: possibility of performing differential estimation of characteristics of monitoring.
9 cl, 3 dwg
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Authors
Dates
2004-12-27—Published
2003-02-25—Filed