... ultrasonic testing? Pulse-echo ultrasonic testing sends a pulse of sound into the material and listens for the echo as it reflects back. Pitch-catch ultrasonic testing uses two transducers, one to send a pulse of sound into the ...

... ultrasonic testing of thick welded seams ( in Russian ) . Zavodskaja Laboratorija 26 ( 1969 ) 452-454 405 Ermolov , I. N .: Reflection of ultrasound from various types of defects . Sov . J. NDT ( 1971 ) 374-380 . Orig .: Defektoskopija ...

... ultrasonic testing (UT), this book examines ultrasonic propagation in solids and its detection applications and explores the intersection of UT technology with various fields of electromagnetics, optics and physics. UT is one of the ...

... ultrasonic testing tech- nique was chosen in current work. Within the reporting period the ultrasonic testing has been evaluated. This method can be used to detect surface flaws such as cracks as well as internal flaws such as voids or ...

... Ultrasonic Testing of Butt Welds 23 Examination for Laminar Discontinuities 24 Test for Longitudinal Defects 24 Test for Transverse Defects 25 Additional Factors to be Considered 25 Sensitivity Levels and Attenuation Correction 41 ...

... ultrasonic testing , with few exceptions , equipment of the company J. and H. Krautkrämer was used , principally units of the types USIP - 10 and -10W but also types USIP - 6 and -9 , USK - 1 , -2 , -4 , and -5 . The screen image ...

... ultrasonic testing equip- ment and its various accessories will continue at an alarming rate . The various types of ultrasonic testing instruments are discussed in Chapter 5 and the principal ones are : • high - frequency pulse ...

... ULTRASONIC TESTING Porosity Methods for Testing Adhesive Bonds APPLICATIONS IN THE CHEMICAL INDUSTRIES 703 Bond Testing Instrumentation Bond Testing System Modes Bond Reference Standards PART 1 : USES OF ULTRASONIC TESTING IN CHEMICAL ...

... Ultrasonic testing is unique in several areas . Ultrasonics and radiography provide deep , internal inspection capabilities . Normally ultrasonics provides the deepest penetration . ( The penetration of X - rays in steel is measured in ...

American Society for Testing Materials. BASIC PRINCIPLES OF PRACTICAL ULTRASONIC TESTING BY JOHN C. SMACK1 SWEEP FIG . 2. - Block Diagram of a Model. Ultrasonic testing , now in its fifth year in practical use , has , during that time ...