top of page

Non-Destructive Testing (NDT)

UT picture.jpg
UT picture.jpg

Ultrasonic Testing (UT)

Ultrasonic testing is an NDT method that uses high-frequency sound waves to detect and measure discontinuities in components. UT operates on the principle of sending sound waves into a material and analyzing the returned echoes to gather information about the internal structure of the test part.

The beauty of this method is that it can be applied through a variety of techniques, making it useful in many industries and environments.

The primary objectives of UT in industrial applications include:

  • Measuring Thickness: UT is commonly used to measure the thickness of a part by comparing the ultrasonic echoes from the front surface to the back surface.

  • Detecting Internal Defects: By detecting the returned signal when a discontinuity interacts with the ultrasonic wave, UT helps identify and measure internal defects.

  • Stress Measurement: UT can be used for stress measurement, such as bolting stress measurement and residual stress measurement, which are unique applications of this method.

​

Magnetic Particle Testing (MT)

Magnetic particle testing is an NDT method used to detect surface and near-surface discontinuities in ferromagnetic materials. MT involves magnetizing a ferromagnetic material and then applying fine ferromagnetic particles to the surface. Discontinuities in the material, such as cracks or voids, disrupt the magnetic field, creating a leakage field. The ferromagnetic particles are attracted to these leakage fields, forming visible indications of the discontinuities.

The primary objectives of MT in industrial applications include:

  • Detecting Surface and Near-Surface Defects: By applying magnetic particles to a magnetized part, MT helps identify and measure surface and near-surface discontinuities.

  • Ensuring Material Integrity: MT is used to ensure the integrity of critical components in various industries, such as aerospace, automotive, and manufacturing.

MT picture.jpg
PT Picture.webp

Dye-Penetrant Testing (PT)

Liquid penetrant testing (PT) is an NDT method that uses specially formulated liquids to reveal surface discontinuities in solid and nonporous materials. The process involves applying a penetrant liquid to the surface of the test part, allowing it to seep into any surface-breaking defects, and then using a developer to draw the penetrant out, creating a visible indication of the discontinuity.

This method is highly effective for detecting surface cracks, seams, and other defects that may not be visible to the naked eye.

The primary objectives of PT in industrial applications include:

  • Detecting Surface Defects: PT is used to identify surface-breaking defects such as cracks, seams, and porosity.

  • Quality Control: Ensures that manufactured parts meet quality standards by detecting surface discontinuities.

  • Maintenance Inspections: Used in periodic inspections to detect surface defects that may have developed during service.

bottom of page