Nondestructive indication of fatigue damage and residual lifetime in ferromagnetic construction materials

Ivan Tomáš, Ondřej Kovářík, G. Vértesy, Jana Kadlecová

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A new revolutionary attitude toward investigation of fatigue damage in cyclically loaded steel samples is reported. The measurement is based on the method of magnetic adaptive testing, which - in contrast to traditional magnetic hysteresis investigations - picks up the relevant information from systematic measurement and evaluation of whole minor magnetic hysteresis loops and their derivatives. Satisfactory correlations between nondestructively measured magnetic descriptors and actual lifetime of the fatigued material were found. The presented method is able to serve as a powerful tool for indication of changes, which occur in the structure of the inspected objects during their industrial service lifetime, as long as they are manufactured from ferromagnetic materials.

Original languageEnglish
Article number065601
JournalMeasurement Science and Technology
Volume25
Issue number6
DOIs
Publication statusPublished - 2014

Fingerprint

Residual Lifetime
Magnetic hysteresis
Fatigue Damage
Ferromagnetic materials
Fatigue damage
indication
hysteresis
damage
life (durability)
ferromagnetic materials
Hysteresis loops
Lifetime
steels
Adaptive Testing
Ferromagnetic Materials
Derivatives
Hysteresis Loop
Steel
evaluation
Testing

Keywords

  • fatigue
  • ferromagnetic construction materials
  • magnetic nondestructive evaluation
  • residual lifetime

ASJC Scopus subject areas

  • Applied Mathematics
  • Instrumentation

Cite this

Nondestructive indication of fatigue damage and residual lifetime in ferromagnetic construction materials. / Tomáš, Ivan; Kovářík, Ondřej; Vértesy, G.; Kadlecová, Jana.

In: Measurement Science and Technology, Vol. 25, No. 6, 065601, 2014.

Research output: Contribution to journalArticle

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