A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects

Mohseni, Ehsan and MacLeod, Charles and Javadi, Yashar and Qiu, Zhen and Vithanage, Randika and Lines, David and Zimermann, Rastislav and Pierce, Gareth and Gachagan, Anthony (2019) A model-based study of transmit-receive longitudinal arrays for inspection of subsurface defects. In: 46th Annual Review of Progress in Quantitative Nondestructive Evaluation, 2019-07-14 - 2019-07-18, Portland.

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Abstract

Dual matrix transmit-receive longitudinal arrays have been shown to have an improved signal to noise ratio in near field zone which makes them the most suitable array configuration for inspection of near surface defects. This study aims to compare the performance of different configurations for transmit-receive longitudinal matrix arrays. For this purpose, 4 matrix configurations of 2×32, 4×16, 4×32, and 8×16 elements are investigated using CIVA modelling. The array operating frequencies investigated are either 5 MHz or 10 MHz. Different natural focal depths for these TRL arrays are considered in the model. For each configuration, the ability to steer and skew the beam is examined through CIVA modelling of the inspection of flat bottom holes extended to a few millimeters under the surface. It is found that the focusing for near surface areas is more efficient using the 4×16 and 8×16 elements configurations.

ORCID iDs

Mohseni, Ehsan ORCID: https://orcid.org/0000-0002-0819-6592

MacLeod, Charles ORCID: https://orcid.org/0000-0003-4364-9769

Javadi, Yashar ORCID: https://orcid.org/0000-0001-6003-7751

Qiu, Zhen ORCID: https://orcid.org/0000-0002-6219-7158

Vithanage, Randika ORCID: https://orcid.org/0000-0002-1023-2564

Pierce, Gareth ORCID: https://orcid.org/0000-0003-0312-8766

Gachagan, Anthony ORCID: https://orcid.org/0000-0002-9728-4120

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	70343
  Dates:	Date Event 14 July 2019 Published 10 May 2019 Accepted
  Keywords:	transmit-receive longitudinal (TRL) matrix arrays, model-based ultrasonic studies, non-destructive testing/evaluation, matrix ultrasonic phased arrays, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering Strategic Research Themes > Advanced Manufacturing and Materials Technology and Innovation Centre > Sensors and Asset Management
  Depositing user:	Pure Administrator
  Date deposited:	29 Oct 2019 13:36
  Last modified:	12 Jun 2021 00:58
  Related URLs:	Event
  URI:	https://strathprints.strath.ac.uk/id/eprint/70343