Ultrasonic Lamb Wave Based Crack Growth Prediction for Estimation of Strain Energy Release Rate

Chennamsetti Ramadas; Avinash Hood; Krishnan Balasubramaniam; Makarand Joshi

doi:10.4028/www.scientific.net/AMR.585.24

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 585Ultrasonic Lamb Wave Based Crack Growth Prediction...

Ultrasonic Lamb Wave Based Crack Growth Prediction for Estimation of Strain Energy Release Rate

Abstract:

A technique is proposed to predict crack growth for the estimation of Strain Energy Release Rate (SERR) of Double Cantilever Beam (DCB) bi-metallic specimen, employing ultrasonic Lamb waves. Techniques based on the Time-of-Flight (ToF) of the Turning Lamb Mode (TLM) and Direct Lamb Mode (DLM) explored to determine the crack growth. Sensitivity analysis revealed that the Lamb mode with low velocity is more sensitive to crack growth than that of the high velocity Lamb mode.

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Periodical:

Advanced Materials Research (Volume 585)

Pages:

24-28

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.585.24

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Online since:

November 2012

Authors:

Chennamsetti Ramadas, Avinash Hood, Krishnan Balasubramaniam, Makarand Joshi

Keywords:

Strain Energy Release Rate, Time of Flight, Turning Lamb Mode

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References

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