What is ultrasonic testing method?

Ultrasonic testing (UT) is a non-destructive test method that utilizes sound waves to detect cracks and defects in parts and materials. It can also be used to determine a material’s thickness, such as measuring the wall thickness of a pipe.

What is the principle of ultrasonic testing in NDT?

Ultrasonic Testing (UT) uses high frequency sound energy to conduct examinations and make measurements. Ultrasonic inspection can be used for flaw detection/evaluation, dimensional measurements, material characterization, and more.

Why ultrasonic waves are used in NDT?

How is ultrasound used in NDT? Sound with high frequencies, or ultrasound, is one method used in NDT. Basically, ultrasonic waves are emitted from a transducer into an object and the returning waves are analyzed. If an impurity or a crack is present, the sound will bounce off of them and be seen in the returned signal.

Which wave is used in ultrasonic detection method?

Longitudinal and shear waves are the two modes of propagation most widely used in ultrasonic testing.

What are the equipments used in ultrasonic testing?

Ultrasonic Testing

• Siui Ultrasonic Transducers.
• Probes, Leads & Adaptors For Ultrasonic Testing.
• SIUI SyncScan 2 Ultrasonic Flaw Detector.
• SIUI SyncScan Ultrasonic Flaw Detector.
• SIUI Smartor Ultrasonic Flaw Detector & Thickness Gauge.
• SIUI CTS-9009 Plus Ultrasonic Flaw Detector.
• SIUI CTS-9005 Digital Ultrasonic Flaw Detector.

What materials can ultrasonic testing be used on?

What sort of materials can be tested? In industrial applications, ultrasonic testing is widely used on metals, plastics, composites, and ceramics. The only common engineering materials that are not suitable for ultrasonic testing with conventional equipment are wood and paper products.

What is difference between ultrasonic testing radiographic testing?

The major difference between RT & UT is that Radiographic method is better for detection of discontinuities having major dimension perpendicular to the surface (parallel to the direction of radiation) and Ultrasonic method is better for detection of discontinuities orientated parallel to the surface.

How many types of NDT test are there?

Many different NDT methods are available in the industry, each of them having their own advantages and limitations, but six of them are most frequently used: ultrasonic testing (UT), radiographic testing (RT), electromagnetic testing (ET), magnetic particle testing (MT), liquid penetrant testing (PT) and visual testing …

Why is ultrasonic testing used?

Ultrasonic nondestructive testing, also known as ultrasonic NDT or simply UT, is a method of characterizing the thickness or internal structure of a test piece through the use of high frequency sound waves.

What are some advantages of using the ultrasonic inspection method?

Advantages of ultrasonic inspection as a method of Non-Destructive Examination are:

• Internal defects can be detected and sized when a validated procedure is applied.
• Thick specimens take no more time to examine than thin ones, assuming correct instrumentation set up.
• Access to only one side of the component is needed.

Why is NDT used?

Safety assurance Non-destructive testing is carried out to ascertain that the components or materials being used are not damaged or faulty and are fit to be used by personnel. The result of testing can show whether the components need to be repaired or if they are safe for operation.