Application of Principal Component Analysis for Eddy Current Testing of Metal Materials with Applied Dielectric Layers

  • А.В. Егоров Altai State University (Barnaul, Russia) Email: egav@bk.ru
  • В.В. Поляков Altai State University (Barnaul, Russia); Institute of Strength Physics and Materials Science of the Siberian Branch of the RAS (Tomsk, Russia) Email: pvv@asu.ru
  • Я.И. Грачева Altai State University (Barnaul, Russia) Email: server2791@mail.ru
  • С.В. Кучерявский Aalborg University (Esbjerg, Denmark) Email: pvv@asu.ru
DOI_disc_logo https://doi.org/10.14258/izvasu(2017)4-05
Keywords: eddy current method, testing of materials, aluminum alloys, multivariate data analysis, principal component analysis

Abstract

In the paper, the potentials of multi-frequency eddy current measurements for non-destructive testing of geometric characteristics of metallic materials are considered. To enhance such potentials, experimental hodographs for copper plate testing samples of various thicknesses with applied dielectric layer are processed by projection methods of multidimensional data analysis. Application of principal component analysis ensures a sufficiently reliable separation of competing factors that affect the controlled parameter-the thicknesses of a metal plate and a dielectric layer. Principal components regression allows for the development of mathematical models for highly accurate evaluation of dielectric layer thickness and thickness of a metal plate for relatively thin samples. Obtained results significantly enhance the potentials of eddy current testing of metallic materials and can be used for nondestructive diagnostics of products and structures made of them.

DOI 10.14258/izvasu(2017)4-05

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Author Biographies

А.В. Егоров, Altai State University (Barnaul, Russia)
кандидат физико-математических наук, доцент кафедры прикладной физики и электроники
В.В. Поляков, Altai State University (Barnaul, Russia); Institute of Strength Physics and Materials Science of the Siberian Branch of the RAS (Tomsk, Russia)
доктор физико-математических наук, профессор, заведующий кафедрой прикладной физики и электроники; ведущий научный сотрудник
Я.И. Грачева, Altai State University (Barnaul, Russia)
старший преподаватель кафедры прикладной физики и электроники
С.В. Кучерявский, Aalborg University (Esbjerg, Denmark)
доцент факультета химической инженерии, биотехнологии, химии и экологической инженерии

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How to Cite
Егоров А., Поляков В., Грачева Я., Кучерявский С. Application of Principal Component Analysis for Eddy Current Testing of Metal Materials with Applied Dielectric Layers // Izvestiya of Altai State University, 1, № 4(96) DOI: 10.14258/izvasu(2017)4-05. URL: https://izvestiya.asu.ru/article/view/%282017%294-05.
Issue
No 4(96) (2017): Известия Алтайского государственного университета
Section
Статьи

Copyright (c) 2017 А.В. Егоров, В.В. Поляков, Я.И. Грачева, С.В. Кучерявский

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