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- Title
ISSF method to evaluate adhesive strength when two distinct singular stress fields appear along the interface.
- Authors
Noda, Nao-Aki; Takaki, Rei; Sano, Yoshikazu; Wang, Biao
- Abstract
Previous studies show that the adhesive strength can be expressed as a constant value of the critical ISSF (Intensity of Singular Stress Field) for several butt joints and lap joints. This study deals with the scarf joints where two distinct singular stress fields appear at the interface end. How to evaluate the scarf joint strength is described in comparison with the lap joint where two singular stress fields appear but the second singular stress field is weak. It is found that the adhesive strength of the scraf joints can also be expressed as a constant value of one of the ISSF like other joints. When two singular stress fields are comparable, the debonding strength of the scarf joints can be expressed at a certain point of the sum of the two singular stress fields as σ θ c (10 μ m) = const.
- Subjects
ADHESIVES; DEBONDING; SCARVES; LAP joints; FRACTURE mechanics
- Publication
International Journal of Fracture, 2023, Vol 241, Issue 1, p95
- ISSN
0376-9429
- Publication type
Article
- DOI
10.1007/s10704-023-00690-2