3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation

Quantitative non-destructive testing (NDT) modelling and simulation tools are important in design and fabrication of ultrasonic phased array (UTPA) sensors with optimum characteristics and reduce the number of experimental efforts and development time. In order to achieve high accuracy with a low c...

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Main Authors: Sanjeevareddy Kolkoori, Roman Heinrich Koch, Stephan Falter
Format: Article
Language:deu
Published: NDT.net 2023-08-01
Series:Research and Review Journal of Nondestructive Testing
Online Access:https://www.ndt.net/search/docs.php3?id=28218
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author Sanjeevareddy Kolkoori
Roman Heinrich Koch
Stephan Falter
author_facet Sanjeevareddy Kolkoori
Roman Heinrich Koch
Stephan Falter
author_sort Sanjeevareddy Kolkoori
collection DOAJ
description Quantitative non-destructive testing (NDT) modelling and simulation tools are important in design and fabrication of ultrasonic phased array (UTPA) sensors with optimum characteristics and reduce the number of experimental efforts and development time. In order to achieve high accuracy with a low computational time in the simulation, the modeling tools require not only the high-frequency approximation of the ultrasonic wave propagation but also the high-precision electro-acoustic coupling model. In this work, an application specific 4 MHz, 32-element linear phased array probe with an optimized angle beam wedge for the inspection of porosity in heavy plates was developed based on the new 3D hybrid modeling approach. As a first step, we performed the FEA modeling of an UTPA sensor, which includes the full 1-3 piezo-composite design with the arrangement of array elements, conducting electrodes, multi-phase damping material, acoustical matching layer and the electrical circuit of a 50 Ω coaxial cable. In addition, the real excitation pulse of an industrial UT equipment was included in the current modelling to achieve the high accuracy in the simulated result. In the second step, the FEA simulated pulse-echo characteristics of an array element were further used as the reference signal in the CIVA-UT Software to simulate the imaging of porosity in heavy plates, quantitatively. Furthermore, the 3D wedge-geometry of the array sensor was modeled and optimized to suppress the unwanted wedge-boundary reflected echoes and to improve the signal-to-noise ratio (SNR) in the detected signals. The 3D hybrid model simulated Time Corrected Gain (TCG) curves for the 3 mm SDH at different depths in the reference steel plate were compared with the real experiments and a good quantitative agreement was achieved.
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spelling doaj.art-f39fc58191124b66b7e73abaec68f49b2024-03-11T15:46:45ZdeuNDT.netResearch and Review Journal of Nondestructive Testing2941-49892023-08-011110.58286/282183D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental ValidationSanjeevareddy KolkooriRoman Heinrich KochStephan Falter Quantitative non-destructive testing (NDT) modelling and simulation tools are important in design and fabrication of ultrasonic phased array (UTPA) sensors with optimum characteristics and reduce the number of experimental efforts and development time. In order to achieve high accuracy with a low computational time in the simulation, the modeling tools require not only the high-frequency approximation of the ultrasonic wave propagation but also the high-precision electro-acoustic coupling model. In this work, an application specific 4 MHz, 32-element linear phased array probe with an optimized angle beam wedge for the inspection of porosity in heavy plates was developed based on the new 3D hybrid modeling approach. As a first step, we performed the FEA modeling of an UTPA sensor, which includes the full 1-3 piezo-composite design with the arrangement of array elements, conducting electrodes, multi-phase damping material, acoustical matching layer and the electrical circuit of a 50 Ω coaxial cable. In addition, the real excitation pulse of an industrial UT equipment was included in the current modelling to achieve the high accuracy in the simulated result. In the second step, the FEA simulated pulse-echo characteristics of an array element were further used as the reference signal in the CIVA-UT Software to simulate the imaging of porosity in heavy plates, quantitatively. Furthermore, the 3D wedge-geometry of the array sensor was modeled and optimized to suppress the unwanted wedge-boundary reflected echoes and to improve the signal-to-noise ratio (SNR) in the detected signals. The 3D hybrid model simulated Time Corrected Gain (TCG) curves for the 3 mm SDH at different depths in the reference steel plate were compared with the real experiments and a good quantitative agreement was achieved. https://www.ndt.net/search/docs.php3?id=28218
spellingShingle Sanjeevareddy Kolkoori
Roman Heinrich Koch
Stephan Falter
3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
Research and Review Journal of Nondestructive Testing
title 3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
title_full 3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
title_fullStr 3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
title_full_unstemmed 3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
title_short 3D Hybrid Modeling for the Ultrasonic Phased Array Inspection of Porosity in Heavy Plates: Simulation and Experimental Validation
title_sort 3d hybrid modeling for the ultrasonic phased array inspection of porosity in heavy plates simulation and experimental validation
url https://www.ndt.net/search/docs.php3?id=28218
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AT romanheinrichkoch 3dhybridmodelingfortheultrasonicphasedarrayinspectionofporosityinheavyplatessimulationandexperimentalvalidation
AT stephanfalter 3dhybridmodelingfortheultrasonicphasedarrayinspectionofporosityinheavyplatessimulationandexperimentalvalidation