Ultrasonic Single-Layer Resonance Measurement
Ultrasonic single-layer resonance measurement is a technique for precisely measuring wall thicknesses in thinner metals through resonance frequency analysis.
Physical-Chemical Working Principle
Ultrasonic single-layer resonance measurement uses the property that ultra-strong sound waves exhibit resonances in a metal strip or sheet. These resonances change with wall thickness and can be measured accurately.
Metallurgical Relevance & Welding Risks
This measurement is especially important for controlling weld thickness in thinner materials to ensure that no reinforcements or weak spots occur. Incorrect measurements can lead to insufficient weld depth or excessive overfill, posing risks to mechanical stability.
Workshop Practice & Operating Instructions
To perform ultrasonic single-layer resonance measurement correctly, the metal strip or sheet must be placed in a special ultrasonic generator. The resonance frequencies are then measured with a frequency analyzer and matched to a reference wall thickness. For a wall thickness of 1 mm, resonances should typically occur at about 20 kHz. It is important that the measurement is performed under ideal conditions to obtain accurate results.