Investigation of fatigue damage of 20Kh13 structural steel and its compositions with fused coatings by the free vibration method

A. Yu Bydzan, S. V. Panin

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Abstract

The frequency of free vibrations of samples of 20Kh13 steel and its compositions with fused coatings is measured during fatigue tests. The dynamics of the frequency spectrum of the samples is investigated during the development of a fatigue crack. It is shown that the dynamics of variation of the free vibration frequency of the samples is tightly related to the kinetics of fatigue damage. Features of variation of the frequency spectrum of free vibrations in samples with fused coatings which are characterized by complex kinetics of the development of a fatigue crack are noted. Results of an analysis of the possibilities of diagnostics of fatigue damage of pieces from metallic materials and compositions with coatings obtained with the use of the free vibration method are given.

Original languageEnglish
Pages (from-to)523-535
Number of pages13
JournalRussian Journal of Nondestructive Testing
Volume39
Issue number7
DOIs
Publication statusPublished - 1 Jul 2003

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ASJC Scopus subject areas

  • Materials Science (miscellaneous)

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