Utrasound

What is ultrasonic thickness measurement used for?

Ultrasonic technology can measure thickness from one side of a part as well as void detection. An ultrasonic thickness analyser can measure most engineering materials, including plastics, metals, metal composites, rubber, and internally corroded materials and perform accurate measurements on nonferrous or thin materials from plastic bottles through to precious metals such as gold, silver and platinum as well as larger sectional size precious metals.

How does Ultrasonic technology work?

Ultrasonic testing is ideal for detecting flaws and defects without damaging the object or material being tested. Ultrasound inspection also proves useful when only one side of an object is accessible.  The celerity principle uses acoustic energy to generate sound waves (think of it as acoustic radar) that are emitted from a transducer/receiver element waiting for a reflected return wave to be detected by the signal probe. All materials attenuate sound waves and the delay time between emission and reflected return signal is calculated against the expected return time of the acoustic energy pulse. If the return signal does not match the expected return time, the material can be determined to be outside of specification for its alleged composition and further tests can be performed to determine the physical structure.

What can an Ultrasound Analyser detect?

An Ultrasound Analyser can determine the internal structure of an item; checking for voids of a test sample as well as the determining the thickness and the likely nature of material composition under test; based on the celerity principle for the expected attenuation of the return signal. In the precious metals sector (typically gold, silver & platinum), the celerity principle is useful to detect adulterated material (such as steel or tungsten and gold plating) and voids/porosity (such as cavities or aerated material) in the test sample. A major benefit of laboratory grade portable ultrasound technology is that it yields immediate results, allowing for immediate decisions to be made, especially when safety considerations or legitimacy of integrity at point of transaction are of high priority.