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Model-assisted ultrasonic calibration using intentionally embedded defects for in-process weld inspection

2021

Abstract Automated in-process Non-Destructive Testing (NDT) systems are rapidly gaining traction within the manufacturing industry as they reduce manufacturing time and costs. When considering calibration and verification of such systems, creating defects of known geometry and nature during the deposition of a weld can: (I) help examine the capability of the automated system to detect and characterise defects, (II) be used to form a database of signals associated with different defect types to train intelligent defect classification algorithms, and (III) act as a basis for in-process gain calibration during weld inspection at high temperatures, where the ultrasound beam can be skewed as a r…

Ultrasonic CIVA simulationMaterials sciencePhased arraymedicine.medical_treatmentTKS275 steelMechanical engineering02 engineering and technologyWelding010402 general chemistry01 natural scienceslaw.inventionSettore ING-IND/14 - Progettazione Meccanica E Costruzione Di MacchineFusion weldinglawNondestructive testingCalibrationmedicineTIG weldinglcsh:TA401-492General Materials ScienceTime of flight diffraction (TOFD)Autonomous multi-pass weldingIntentionally embedded weld defectPhased Array ultrasonic testing (PAUT)business.industryMechanical EngineeringGas tungsten arc weldingTraction (orthopedics)021001 nanoscience & nanotechnologyIntentionally embedded weld defects0104 chemical sciencesMechanics of MaterialsUltrasonic sensorlcsh:Materials of engineering and construction. Mechanics of materials0210 nano-technologybusinessMaterials & Design
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