Fabrication of a Large Aperture angle, Lens Less Line Focus Ultrasonic Transducer & Validation with Standard Materials

The main goal of this study is to characterize isotropic materials by determining the metal's elastic constants such as Modulus of Elasticity, Shear Modulus, and Poisson's Ratio using a large lens-less line focus transducer, proposing a new design of the line focus transducer by manipulating the radius of curvature and validating the proposed design by comparing the results with the industry-standard results.The elastic constants will be derived by utilizing the Time-Resolved method that uses the relationship between the defocus distance and the time difference between the bulk longitudinal wave and the Rayleigh surface wave.