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Crack Monitoring in Resonance Fatigue Testing of Welded Specimens Using Digital Image Correlation
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JoVE Journal Mühendislik
Crack Monitoring in Resonance Fatigue Testing of Welded Specimens Using Digital Image Correlation

Crack Monitoring in Resonance Fatigue Testing of Welded Specimens Using Digital Image Correlation

DOI:
10.3791/60390-v

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00:05 min

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September 29, 2019

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,
1Institute for Ship Structural Design and Analysis,Hamburg University of Technology (TUHH)

Bölümler

  • 00:00Başlık
  • 00:39Specimen Preparation
  • 01:25Test Setup
  • 02:22Fatigue Test
  • 03:16Post-processing
  • 03:59Sonuçlar
  • 04:54Conclusion

Özet

Otomatik Çeviri

Otomatik Çeviri

Digital image correlation is used in fatigue tests on a resonance testing machine to detect macroscopic cracks and monitor crack propagation in welded specimens. Cracks on the specimen surface become visible as increased strains.

Etiketler

Crack MonitoringResonance Fatigue TestingWelded SpecimensDigital Image CorrelationFatigue PropertiesWelded DetailsSmall Scale SpecimensCyclic LoadCrack InitiationCrack PropagationSpecimen FailureSpeckle PatternStructural SteelWeld HoleResonance Testing MachineCamera SetupExposure TimeTrigger Signal

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