Simulation of Focusing Phased Array Ultrasonic in Dissimilar Metal Welds for Detecting the Defects

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Forouzesh A.; VALIPOUR A.; Yaghootian A.

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2019 | Volume:9 | Issue:2 Page(s): 77-92

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Title

Simulation of Focusing Phased Array Ultrasonic in Dissimilar Metal Welds for Detecting the Defects

Author(s)

Forouzesh A. | VALIPOUR A. | Yaghootian A. | Issue Writer Certificate

Keywords

SimulationQ2

Dissimilar Metal Welds (DMW)Q1

Phased Array Ultrasonic Testing (PAUT)Q1

Adaptive Focusing TechniqueQ1

Developed Conventional Focusing TechniqueQ1

Abstract

Phased Array Ultrasonic Testing (PAUT) is one of the most efficient and economic methods for inspecting weld joints. In some industrial applications, Dissimilar Metal Welds (DMW) is used for connecting the austenitic stainless steel pipes to the ferritic steel. Inhomogeneity and anisotropy of DMW causes ultrasonic waves to skew and attenuate. This issue can decrease the defects echo and reduce the probability of detecting them. Therefore, PAUT is used for inspection of DMW due to its ability to steering and focusing the ultrasonic waves. Simulation tools can help to understand how the ultrasonic waves are propagating in this kind of material to improve the inspection process. Conventional focusing technique is used for focusing waves in the homogenous and isotropic media. However, this technique cannot be used for focusing waves in DMW. In this paper, the conventional focusing technique developed for focusing ultrasonic waves in inhomogeneous and anisotropic media. Results of ultrasonic waves focused on defect in DMW media by the Developed Conventional Focusing Technique are compared and validated by Adaptive Focusing Technique. Simulation results have been shown that Developed Conventional Focusing Technique has acceptable accuracy operation for focusing waves in inhomogeneous and anisotropic media such as DMW. In addition, the amplitudes of the defect echoes has increased about 235% compared to conventional ultrasonic testing.

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APA: Copy

Forouzesh, A., VALIPOUR, A., & Yaghootian, A.. (2019). Simulation of Focusing Phased Array Ultrasonic in Dissimilar Metal Welds for Detecting the Defects. JOURNAL OF SOLID AND FLUID MECHANICS, 9(2 ), 77-92. SID. https://sid.ir/paper/406477/en

Vancouver: Copy

Forouzesh A., VALIPOUR A., Yaghootian A.. Simulation of Focusing Phased Array Ultrasonic in Dissimilar Metal Welds for Detecting the Defects. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2019;9(2 ):77-92. Available from: https://sid.ir/paper/406477/en

IEEE: Copy

A. Forouzesh, A. VALIPOUR, and A. Yaghootian, “Simulation of Focusing Phased Array Ultrasonic in Dissimilar Metal Welds for Detecting the Defects,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 9, no. 2 , pp. 77–92, 2019, [Online]. Available: https://sid.ir/paper/406477/en

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