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Detection of Internal Delamination in Composite Mono Leaf Spring based on Vibration Characteristics

  • Nagendra  Iranna JamadarEmail author
  • S. B. Kivade
Original Contribution
  • 97 Downloads

Abstract

Structural health monitoring (SHM) is one of the non destructive evaluations universally accepted to detect defect or damage in composite structures. The paper deals with detection of inter laminar delamination problems in composite mono leaf spring during service conditions by vibration techniques. The delamination detection is crucial issue as it leads to catastrophic failure. The vibration parameters such as natural frequency and modes shapes are evaluated for healthy and delaminated spring. It has been observed that some mode shapes are found to be more sensitive to the delaminated region. The presence, location and severity of delamination are simulated and validated by experimental modal analysis for both the spring and found closer approximation with each other.

Keywords

Structural health monitoring Composite mono leaf spring Delamination Vibration techniques Experimental modal analysis 

Notes

Acknowledgements

The author would like appreciate the support provided by M/s Creative Fibro-tech during manufacturing of composite leaf spring.

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Copyright information

© The Institution of Engineers (India) 2017

Authors and Affiliations

  1. 1.Research Resource CenterVisvesvaraya Technological UniversityGulbarga RegionIndia
  2. 2.Basavakalyan Engineering CollegeBidar DistrictIndia

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