Testing (N.D.T.) is one part of the function of Quality Control and
is complementary to other long established methods.
definition non-destructive testing is the testing of materials, for
surface or internal flaws or metallurgical condition without interfering
in any way with the integrity of the material or its suitability for
technique can be applied on a sampling basis for individual investigation
or may be used for 100% checking of material in a production quality
being a high technology concept, evolution of the equipment has made
it robust enough for application in any industrial environment at any
stage of manufacture - from steel making to site inspection of components
already in service. A certain degree of skill is required to apply the
techniques properly in order to obtain the maximum amount of information
concerning the product, with consequent feedback to the production facility.
Testing is not only a method for rejecting substandard material; it
is also an assurance that the supposedly good is good. The technique
uses a variety of principles; there is no single method around which
a black box may be built to satisfy all requirements in all circumstances.
NDT manufacture equipments using the following techniques:
information is taken from the Insight NDT technical paper entitled 'A
Brief Explanation of Non-Destructive Testing Methods'. A copy of the
full paper in Adobe Acrobat format is available by clicking Here.