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L’inspection par ultrasons

Canada's Ultrasonic Testing Experts

L’inspection par ultrasons

Ultrasonic testing is a range of nondestructive examination techniques that send ultrasonic waves through materials, allowing expert technicians to characterize their thickness or internal structure.

During ultrasonic testing, an ultrasound transducer connected to a diagnostic machine is passed over the material or equipment being inspected. The material in question is typically covered in a liquid medium like oil or water. High frequencies will travel through the liquid until they encounter a boundary with another medium (such as air), at which point they will reflect back. By analyzing these reflections, technicians are able to measure the thickness, as well as find evidence of cracks or other hidden flaws. The frequencies used for ultrasonic testing are many times higher than the limit of human hearing, most commonly in the range from 500 kHz to 20 MHz.

A common application of ultrasonic testing is thickness measurement on pipework in order to detect inner corrosion. Ultrasonic testing is widely used on all kinds of materials including metals, plastics, composites, and ceramics. The only commonly used materials that are not suitable for ultrasonic testing are wood and paper products.

Detect and evaluate hidden defects in various materials and equipment without compromising the integrity of the product or taking it out of commission. Contact Hercules SLR for ultrasonic testing today.

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