Visual Testing

visual testing

The earliest and most useful method of NDT is visual observation. Important details can be enlisted during VT which would be useful for future analysis and also to decide on the types of NDT to be used for further analysis. VT should be carried out as a complementary method to all other NDT processes. VT should proceed and succeed all other observations. unreachable areas can be inspected by means of boroscope and fiber-optic techniques. Depending on the sterness of the surface defect and the component in use, decision will be seized to taken for salvaging the component or rather. If the product is found improper during visual investigation itself, further NDT need not be carried out, thus saving time and being economical for inspection.

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