journal article·2025-01Open access

Creep damage laws for bonded joints under pure mode II loading

R.F.M. Couto, M.F.S.F. de Moura, A.G. Magalhães, R.D.F. Moreira

Abstract

Adhesively bonded joints have played an important role in several industries, mainly in automotive and aeronautics. A wide range of studies have been presented on the evaluation of the static behaviour of bonded joints, considering pure modes I and II, but also mixed-mode I + II loading. More recently, some developments have been done on the analysis of fatigue loading in this type of structural elements, introducing the importance of studying damage cohesively, along a determined period of time. As fatigue loading, creep loading can provide a significant contribution in terms of damage during the lifetime of a given bonded joint. Few studies were presented in the literature, regarding creep loading in bonded joints, so that a cohesive model capable of predicting the corresponding mechanical behaviour is needed. Twelve damage laws were postulated in this study, being used in a new cohesive zone model, predicting the creep behaviour of bonded joints under pure mode II loading. The corresponding implementation was proved, after an in-depth parametric analysis. The presented study constitutes a basis for future developments on the cohesive damage modelling of bonded joints, considering mixed-mode I + II loading scenarios.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Mechanical Behavior of Composites · Fatigue and fracture mechanics · Structural Behavior of Reinforced Concrete

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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