NDT

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Non Destructive Testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing any damage.

As Non Destructive Testing does not alter the specimen being inspected, it becomes a very useful technique.

Non Destructive Testing is used to investigate the material integrity of the specimen under test and can also be used for quality control.


Methods and Techniques

Application

Methodology

Prior to formulation of a non destructive testing plan, it is useful to verbalize answers to the four questions of NDT:

1. Which information do I need?

2. With what accuracy?

3. Which is the method to fulfil my needs?

4. Which decision will I take depending on the test results?

(These questions were first published in December 2004 in the project report, "On-site investigation techniques for the structural evaluation of historic masonry buildings," although the questions pertain to all forms of NDT in all applications).


Related Books