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NDT Services (Non-destructive Testing)

We offer a comprehensive suite of inspection services tailored to meet the unique needs of our clients.

Ultrasonic Thickness Measurement (UTM)

Ultrasonic Thickness Measurement (UTM): It is a widely used technique for determining the thickness of a material using ultrasonic waves.

The basic principle of Ultrasonic Thickness Measurement involves sending high-frequency sound waves into a material and measuring the time it takes for the sound waves to travel through the material and bounce back. By knowing the velocity of sound in the material, the thickness of the material can be calculated based on the time-of-flight of the sound waves.

The process of Ultrasonic Thickness Measurement typically involves the following steps:

Preparation: The surface of the material being measured is prepared by cleaning it to ensure good ultrasonic wave transmission. Any coatings, paints, or rust may need to be removed.

Couplant Application: A couplant, usually a gel or oil, is applied to the surface of the material to facilitate the transmission of ultrasonic waves between the transducer and the material.

Transducer Placement: An ultrasonic transducer, which generates and receives the ultrasonic waves, is placed on the surface of the material. The transducer emits the sound waves and detects the reflected waves.

Measurement: The transducer is moved across the surface of the material, and readings are taken at specific points or along a scan line. The time taken for the sound waves to travel through the material and return to the transducer is recorded.

Data Analysis: The recorded time-of-flight data is used along with the known velocity of sound in the material to calculate the thickness. Some instruments provide real-time thickness measurements, while others require manual calculation.

Ultrasonic Thickness Measurement is commonly used in industries such as manufacturing, oil and gas, pipeline inspection, corrosion monitoring, and structural integrity assessment. It is particularly useful for assessing the remaining wall thickness of pipes, tanks, vessels, and other structures where corrosion or erosion may occur.

UTM is a valuable tool for monitoring material thickness, identifying potential issues, and ensuring compliance with safety and quality standards. Qualified technicians who are trained in the proper use and interpretation of Ultrasonic Thickness Measurement equipment are essential to obtain accurate and reliable results.