Hillger, Wolfgang (2009) Ultrasonic Methods. In: Encyclopedia of Structural Health Monitoring John Wiley & Sons, Ltd.. ISBN 978-0-470-05822-0.
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Ultrasonic testing (UT) is a well established Nondestructive Technique. It is based on ultrasonic waves in a frequency range usually from 0.5 to 20 MHz. UT provides a quality control, determination of material properties and a flaw detection with location in all three dimensions. Using echo-technique only a one-sided access of the test component is necessary. A flaw detector provides instantaneous results. Automated systems deliver images like Cscans (top view) and B-scans (view in cross section direction) of hidden defects. In this chapter the physical principles of UT are explained and the parts of an imaging system are described.
|Document Type:||Book Section|
|Journal or Publication Title:||Encyclopedia of Structural Health Monitoring|
|In ISI Web of Science:||Yes|
|Publisher:||John Wiley & Sons, Ltd.|
|Keywords:||Non-destructive testing, ultrasonic testing (UT), acoustic waves, reflection scattering, transducers, defect detection, ultrasonic imaging, visualization of wave propagation, aircoupled ultrasonic testing|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Structures & Materials|
|Institutes and Institutions:||Institute of Composite Structures and Adaptive Systems > Structural Mechanics|
|Deposited By:||Doris Ries|
|Deposited On:||30 Jan 2009|
|Last Modified:||02 Dec 2010 09:43|
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