Effect of Triaxiality on Damage Parameters in Adhesive |
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| Journal | Key Engineering Materials (Volumes 348 - 349) |
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| Volume | Advances in Fracture and Damage Mechanics VI |
| Edited by | J. Alfaiate, M.H. Aliabadi, M. Guagliano and L. Susmel |
| Pages | 37-40 |
| DOI | 10.4028/www.scientific.net/KEM.348-349.37 |
| Citation | I. Hilmy et al., 2007, Key Engineering Materials, 348-349, 37 |
| 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 |
| 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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