R.R. Petrie

Robert R. Petrie is an independent consultant associated with a number of energy consulting firms, including Baker & O’Brien, Inc., Dallas TX, The Summit Group (Hellier Treat LLC) Old Lyme CT, and Carmagen Engineering Inc., Rockaway NJ.

Articles

ARTICLES

flaw detection

Variances and Human Factors in Radiographic Image Interpretation

As conventional film radiographic testing continues transitioning to the digital or computed RT process, the POD method of analysis is likely to improve significantly.
Charles J. Hellier R.R. Petrie
June 1, 2016

All Nondestructive Evaluation (NDE) or examination methods comprise the following steps: the search for, and detection of the discontinuities, the indication or recording or signal–processing of those detected discontinuities, and the human interpretation of that indication, record or signal.


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