Basics 5 min read
Angle Beam Probe Selection
Angle Beam Probe Selection The various types of ultrasonic transducers used in flaw detection applications were discussed in Section 4.1. In construction…
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Basics 4 min read
Straight Beam Tests
Straight beam testing is generally employed to find cracks or delaminations parallel to the surface of a test piece, as…
Basics 2 min read
Ultrasonic Examination – Time of Flight Diffraction (TOFD)
Time of flight diffraction is one of the most advanced techniques of ultrasound examination. The method is based on the…
Basics 2 min read
Ultrasonic Testing – Pulse-Echo Method
The method is based on mechanical waves (ultrasound) generated by a piezo-magnetically excited element at a frequency typically in the…
Basics 10 min read
Ultrasonic Transducers for Nondestructive Testing
The high-frequency sound waves used for flaw detection and thickness gaging in ultrasonic nondestructive testing applications are generated and received…
Basics 9 min read
A Smart Eddy Current Sensor Dedicated to the Nondestructive Evaluation
Non-destructive testing (NDT) is one of the most common and powerful techniques employed in the inspection of materials during their…
Basics 7 min read
History of NDT-Instrumentation
For more than 50 years I am personally closely connected with Nondestructive Testing (NDT). During this period after World War…
Basics 10 min read
INFRARED THERMOGRAPHY AS A NON-DESTRUCTIVE TOOL
Introduction Infrared thermography for non-destructive testing and evaluation (NDT & E) aims at the detection of subsurface features (i.e. subsurface defects,…
Basics 8 min read
Contact vs. Noncontact Measurement
Define Your Needs First Understanding the target is as important as hitting it. Your operation’s requirements on accuracy, speed and…
Basics 3 min read
Infrared Thermography and Nondestructive Evaluation
The domain of infrared thermography is recent and covers vast fields of applications. In the industrial context, infrared thermography, or…
