Radial crack replicas serve as evaluation standards. Technique entails intimately joining two pieces of appropriate aluminum alloy stock and centering drilled hole through and along interface. Bore surface of hole presents two vertical stock interface lines 180 degrees apart. These lines serve as radial crack defect replicas during eddy-current technique setup and verification.
Inexpensive Eddy-Current Standard
NASA Tech Briefs ; 9 , 2
1985-10-01
Miscellaneous
No indication
English
Eddy-Current Reference Standard
NTRS | 1985
|Online Contents | 1996
NTRS | 1996
|SAE | 1956
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