Remote ultrasonic imaging of a wire arc additive manufactured Ti-6AI-4V component using laser induced phased array

Lukacs, Peter and Davis, Geo and Stratoudaki, Theodosia and Williams, Stewart and MacLeod, Charles N. and Gachagan, Anthony; (2021) Remote ultrasonic imaging of a wire arc additive manufactured Ti-6AI-4V component using laser induced phased array. In: 2021 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, GBR, pp. 1-6. (https://doi.org/10.1109/I2MTC50364.2021.9459823)

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Abstract

Additive manufacturing (AM) has been revolutionizing the manufacturing industry due to its ability to significantly reduce waste and produce components with intricate shapes. Laser Ultrasonics (LU) is a non-contact and couplant free method to generate and detect ultrasound. LU can accommodate complex component shapes; thus, it has the potential to provide a reliable in-process inspection method for AM components. In recent years the development of Laser Induced Phased Arrays (LIPAs) helped overcome the inherently low signal amplitudes of LU at the non-destructive, thermoelastic regime. In this paper, the Full Matrix Capture data acquisition method is used and a LIPA of 68 elements is synthesized in post processing. The Total Focusing Method imaging algorithm is applied for ultrasonic imaging. The technique is demonstrated on a highly scattering titanium alloy Wire Arc Additive Manufactured (WAAM) component producing high quality ultrasonic images, accurately imaging defects at depths up to 10mm below the inspection surface.

ORCID iDs

Davis, Geo ORCID: https://orcid.org/0000-0003-4779-1279

Stratoudaki, Theodosia ORCID: https://orcid.org/0000-0002-7462-8664

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

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

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• Item metadata

  Item type:	Book Section
  ID code:	77461
  Dates:	Date Event 28 June 2021 Published 22 January 2021 Accepted
  Notes:	© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering Strategic Research Themes > Advanced Manufacturing and Materials
  Depositing user:	Pure Administrator
  Date deposited:	18 Aug 2021 11:02
  Last modified:	16 Nov 2024 01:32
  URI:	https://strathprints.strath.ac.uk/id/eprint/77461