Ultrasonic method for shear strength prediction of spot welds
- 1 August 1984
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 56 (3) , 726-731
- https://doi.org/10.1063/1.334000
Abstract
A novel ultrasonic method was developed to evaluate shear strength of a spot weld. This method is based on an analytical expression relating the transmission coefficient of Lamb waves passing through an aperture in solid plates to the aperture size. Simultaneously, a fracture mechanics model was introduced to correlate fracture load to the dimension of a spot weld. Consequently, the ultrasonic Lamb wave transmission coefficient was measured through spot welds and related to fracture load. There is good agreement between experimental results and model predictions. It appears that ultrasonic waves can be used to estimate shear strengths of spot welds.This publication has 3 references indexed in Scilit:
- Coupling of Lamb waves with the aperture between two elastic sheetsThe Journal of the Acoustical Society of America, 1983
- Resonance phenomena of Lamb waves scattering by a finite crack in a solid layerThe Journal of the Acoustical Society of America, 1981
- Electrical conduction in solids II. Theory of temperature-dependent conductorsProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1958