Area of Technology:Electrical & Electronics
Title of the Innovation: Electro-Magnetic Acoustic Transducer (EMAT) based Instrument for Non-Contact Ultrasonic Non-Destructive Testing (NDT)
Brief About Innovation
Electro-Magnetic Acoustic Transducer (EMAT) based Instrument for Non-Contact Ultrasonic Non-Destructive Testing (NDT)
Electromagnetic Acoustic Transducer (EMAT) is the best suggested way to test electrically conducting metal structures for flaw, cracks and presence of residual stresses. It has various advantages over conventional piezoelectric approach of NDT. 3.2MHz EMAT and associated instrumentation needed for excitation of EMAT along with its receiver has been indigenously developed. The system has novelties and unique design for which has been applied for patent. It has facility to select the number of cycles in tone burst and the burst repetition rate. The technology is now ready for commercialization with the help of interested industry. Following are the list of parameters of the developed system.
Applications: 1. Flaw and crack detection in electrically conducting metallic structures 2. Thickness measurement 3. Material characterization 4. Residual Stress detection 5. Bonded structure lamination detection 6. Plate lamination defect inspection 7. Various weld inspection in tubes and pipes 8. Pipeline in-service inspection 9. Railroad and wheel inspection 10. Detection of inhomogeneous (variable density) structures
Advantages over Conventional NDT:
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