
Methods of Nondestructive testing
NDT involves inspection of components and materials in such a way that allows materials to be examined without making changes in their usefulness. It is also referred to as NTD and NDE that is a non-destructive examination or evaluation. NTD techniques and their results depend upon highly trained technicians with experience. Various methods can be used in Nondestructive Testing. Some common methods are described here –
Visual Testing
Visual testing is the most basic method of testing without making any alteration in the material. Visual testing can be performed by the naked eye by the inspectors by visually reviewing the object or material. For indoor visual testing flashlights, it adds depth to the object being examined. It can be also done with a remote visual inspection tool.
Ultraso...