| 摘要 |
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 |
