practical non destructive testing by baledev raj pdf

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For taking seminars and  studying for semester examination. It is the best book for searching and studying purpose

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Non-destructive testing or non-destructive testing (NDT) is a broad group of analysis techniques used in the science and technology industry to evaluate the properties of a material, component or system without causing damage. The terms non-destructive examination (NDE), non-destructive inspection (NDI) and non-destructive evaluation (NDE) are also commonly used to describe this technology. Because NDT does not permanently alter the item being inspected, it is a very valuable technique that can save both money and time in product evaluation, problem solving and research. The six most commonly used methods of NDT are Foucault current, magnetic particles, penetrating liquids, radiographic, ultrasonic and visual tests. NDT is commonly used in forensic engineering, mechanical engineering, petroleum engineering, electrical engineering, civil engineering, systems engineering, aeronautical engineering, medicine and art. Innovations in the field of non-destructive testing have had a profound impact on medical images, including echocardiography, medical ultrasound and digital radiography.