Determination of Local Strains in a Neighborhood of Cracks in a Welded Seam of Ni-Cr-Fe According to the Power Fourier Spectrum of Kikuchi Patterns

Authors

  • M.D. Borcha Yuriy Fedkovych Chernivtsi National University
  • M.S. Solodkyi Yuriy Fedkovych Chernivtsi National University
  • S.V. Balovsyak Yuriy Fedkovych Chernivtsi National University
  • I.M. Fodchuk Yuriy Fedkovych Chernivtsi National University
  • A.R. Kuzmin Yuriy Fedkovych Chernivtsi National University
  • V.M. Tkach V. M. Bakul Institute for Superhard Materials, N.A.S. of Ukraine
  • K.A. Yuschenko E. O. Paton Electric Welding Institute, N.A.S. of Ukraine
  • A.V. Zviagintseva E. O. Paton Electric Welding Institute, N.A.S. of Ukraine

DOI:

https://doi.org/10.15330/pcss.19.4.307-312

Keywords:

welded seam, Kikuchi method, Fourier transform, deformation, Ni-Cr-Fe alloys

Abstract

A discrete two-dimensional Fourier transform and the power Fourier spectrum are used for determination of average strains near cracks in a welded seam of Ni-Cr-Fe alloy. The alignment of Kikuchi images with the help of genetic algorithms and subtraction of white Gaussian noise made it possible to more fully take into account the influence of instrumental factors on the formation of electron backscatter diffraction patterns.

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Published

2018-12-25

How to Cite

Borcha, M., Solodkyi, M., Balovsyak, S., Fodchuk, I., Kuzmin, A., Tkach, V., … Zviagintseva, A. (2018). Determination of Local Strains in a Neighborhood of Cracks in a Welded Seam of Ni-Cr-Fe According to the Power Fourier Spectrum of Kikuchi Patterns. Physics and Chemistry of Solid State, 19(4), 307–312. https://doi.org/10.15330/pcss.19.4.307-312

Issue

Vol. 19 No. 4 (2018)

Section

Scientific articles
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