List of Articles Ultrasonic Open Access Article Abstract Page Full-Text 1 - Monitoring Pipe-Wall Corrosion Rate by Ultrasonic Technique Behzad Esmaeili Aghdam Hossein Nasir Aghdam Open Access Article Abstract Page Full-Text 2 - Using Ultrasonic Tactile Sensor for Materials Recognition On Thin Wall Objects in Assembly Lines Abbas Moghanizadeh