Effect of Triaxiality on Damage Parameters in Adhesive

I. Hilmy; M.M. Abdel Wahab; A.D. Crocombe; Ian A. Ashcroft; A.G. Solana

doi:10.4028/www.scientific.net/KEM.348-349.37

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 348-349Effect of Triaxiality on Damage Parameters in...

Effect of Triaxiality on Damage Parameters in Adhesive

Abstract:

Adhesive in joints will have complex stress state rather than bulk adhesives. This will lead to the assumption behind bulk adhesive that triaxiality function (Rv) is equal to one (uni-axial stress state) is not valid anymore. In this paper, new procedure to find damage parameters α and β for single-lap joints has been developed based on global damage of adhesive joints. With this procedure, damage parameters α and β have been found. Validating the procedure by calculating the number of cycles to failure (Nf) has been performed successfully. The accuracy of the damage evolution equation is less than 2 %.

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Periodical:

Key Engineering Materials (Volumes 348-349)

Pages:

37-40

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.348-349.37

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Online since:

September 2007

Authors:

I. Hilmy, M.M. Abdel Wahab, A.D. Crocombe, Ian A. Ashcroft, A.G. Solana

Keywords:

Adhesive Bonding, Continuum Damage Mechanics, Damage Measurement, Single Lap Joints, Triaxiality Function

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References

[1] M. M Abdel Wahab, I. A Ashcroft, A. D Crocombe and S. J Shaw, Prediction Of Fatigue Thresholds In Adhesively Bonded Joints Using Damage Mechanics And Fracture Mechanics, Journal of Adhesion Science Technology, 2001; Vol. 15: No. 7, pp.763-781.

DOI: 10.1163/15685610152540830

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