List of Articles transducer Open Access Article Abstract Page Full-Text 1 - Determination of Material Properties Components used in FEM Modeling of Ultrasonic Piezoelectric Transducer Abbas Pak Open Access Article Abstract Page Full-Text 2 - Analytical and Numerical Study of Pre-Stress Effect in Piezoelectric Sandwich Type Ultrasonic Transducer Hamidreza Nadri Mahdi Shaban Abbas Pak 10.30495/admt.2021.1904847.1204 Open Access Article Abstract Page Full-Text 3 - Design and Fabrication of a Longitudinal-Torsional Ultrasonic Transducer Yahya Radi Najafabadi Reza Nosouhi Frahad Sajajid