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What is NDT?
Non-Destructive testing is where you use test methods to
examine an object, material or system without impairing
its future usefulness.…read more

Slide 3

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Some examples of NDT
Infrared testing
Leak testing
Magnetic Particle testing
Radiographic testing
Ultrasonic testing
Visual testing
Acoustic Emission testing
Acoustic Resonance testing…read more

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What is Ultrasonic Testing?
Ultrasonic testing uses a high frequency sound energy to
conduct examinations and make measurements.
Ultrasonic testing can be used for flaw detection and
evaluation, dimensional measurements, material
characterisation and more.…read more

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How does it work?
A pulse of ultrasound is sent through the materials.
As soon as the frequency wave reaches another medium,
it echoes back.
This helps find flaws such as cracks because of the change
of medium of the material, to air. (e.g. from steel to air)…read more

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Oscilloscope Diagrams
These are what are used to find distances and flaws.…read more

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