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|Title:||FLAB DETECTION USING ULTRASONIC TECHNIQUES|
|Authors:||Anand, Radhey Shyam|
|Abstract:||Testing of materials by sound note is one of the oldest applications of sound for detecting the hidden defects. It is a non-destructive testing method unlike a destructive mechanical method, where the testing of specimen crack is performed by stressing it by tension or bending until the crack manifests itself by an open break. The transition from audible sound to ultrasonic sound ( nt adays, widely used for flaw detection) has become possible by its modern methods of generation and detection. In modern days-, the nondestructive testing (NDT), also,known as nondestructive evaluation (NDE), has become the basic inspection tool of industries', The product devew lopment, process oontrol, flaw detection: quality evaluation and measurement of mechanical and physical properties are the most reknowned fields where the NDT methods are widely employed,* In this dissertation, the whole work is carried out for detecting the flaws in a material by using ultrasonic techniques based on pulse-echo method'. l The entire discussion accounts for the working principles, design aspects and important features of the two systems developed by the author. An effort has also been made to produce a brief review of various other ultrasonic flaw-detection techniques.|
|Appears in Collections:||MASTERS' DISSERTATIONS (Electrical Engg)|
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