NON-DESTRUCTIVE TESTING FOR CORROSION EVALUATION

Authors
  1. Peters, B.F.
Corporate Authors
Defence Research Establishment Pacific, Victoria BC (CAN)
Abstract
The examples given in the paper demonstrate that radiography has the distinct advantage among the NDT techniques that it provides overall information, sometimes unexpected information, about corrosion damage and, accordingly, is a very useful first approximation approach in evaluating corrosion problems. Wastage problems in which metal has wasted relatively evenly over large areas can best be evaluated with ultrasonics. Where the wastage is more selective, as in pitting attack or in corrosion-fatigue cracking, radiography can become more useful. Where attack is very selective, as in intergranular attack, hydrogen embrittlement and stress corrosion cracking, ultrasonic and eddy current testing can be used to greater advantage. Eddy current testing is being used for more and more applications, particularly those where environmental cracking is taking place.
Report Number
REPR-72-5 —
Date of publication
01 Jan 1972
Number of Pages
7
Reprinted from
Engineering J, March 1972
DSTKIM No
73-01906
CANDIS No
17750
Format(s):
Hardcopy

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