Fourier-domain post-processing technique for Digital Focus Array imaging with Matrix phased array for ultrasonic testing of ITER components

D. O. Dolmatov, D. G. Demyanyuk, A. H. Ozdiev, R. V. Pinchuk

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The high demands on the quality of the components of the International Thermonuclear Experimental Reactor (ITER) create the need to apply methods of nondestructive testing which are able to provide accurate and reliable results. One such technique is Digital Focus Array ultrasonic imaging with Matrix phased arrays. The application of this approach is linked with the need to process huge sets of data in order to obtain images of controlled objects. In this article, we propose the technique of computationally efficient Fourier-domain post-processing. This algorithm is based on Fast Fourier transformations and calculations in frequency domains and can be applied in immersion and contact testing. The performance of this technique was examined experimentally.

Original languageEnglish
Pages (from-to)124-129
Number of pages6
JournalFusion Engineering and Design
Volume126
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Ultrasonic imaging
Experimental reactors
Ultrasonic testing
Nondestructive examination
Imaging techniques
Testing
Processing

Keywords

  • Matrix phased arrays
  • Quality control
  • Ultrasonic imaging
  • Ultrasonic nondestructive testing

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Fourier-domain post-processing technique for Digital Focus Array imaging with Matrix phased array for ultrasonic testing of ITER components. / Dolmatov, D. O.; Demyanyuk, D. G.; Ozdiev, A. H.; Pinchuk, R. V.

In: Fusion Engineering and Design, Vol. 126, 01.01.2018, p. 124-129.

Research output: Contribution to journalArticle

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