Experimental and numerical evaluations on the effects of adhesive fillet, overlap length and unbonded area in adhesive‐bonded joints

Published on Jul 8, 2020in Fatigue & Fracture of Engineering Materials & Structures3.031
· DOI :10.1111/FFE.13294
Guanghan Wu4
Estimated H-index: 4
(SJTU: Shanghai Jiao Tong University),
Dayong Li18
Estimated H-index: 18
(SJTU: Shanghai Jiao Tong University)
+ 7 AuthorsXuming Su18
Estimated H-index: 18
(Ford Motor Company)
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Abstract
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ABSTRACTAdhesive fillet has been proposed to improve the mechanical performance of adhesively bonded corrugated sandwich structures, but limited research can be found focusing on the effect of adhe...
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Abstract The increasing use of adhesive joints in dynamic applications require reliable measurements of the rate-dependent stress-displacement behaviour. The direct measurement of the stress-displacement curve is necessary when using cohesive models in discretised solutions of boundary value problems in solid mechanics. This paper aims to investigate the rate-dependent tensile failure of adhesive joints by using a new experimental methodology – it relies upon the combination of the stress wave p...
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Abstract Mixed-mode fatigue crack growth behavior of an automotive adhesive bonding system (AA5754O- A951-BM4601) has been investigated using a compound compact mixed-mode specimen. The test was performed under load control with 0.1 R ratio and 3Hz frequency. A long-distance moving microscope was employed to record the real-time length of the fatigue crack in the adhesive layer during testing. The strain energy release rate components of the crack were analyzed by finite element method. The pure...
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Abstract The fatigue behavior of self-piercing riveted (SPR) joints of aluminum alloy 6111-T4 has been experimentally and numerically investigated in current study. The dominant fatigue failure mode under tensile-shear (TS) loading is the corner crack at riveted hole with approximate quarter-elliptical crack front, and interrupted tests revealed that the crack growth life was much shorter than crack initiation life. A fatigue parameter, Smith-Watson-Topper (SWT) was proposed for crack initiation...
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Abstract Fatigue lifetime is one of the most important factors that need to be considered when determining a material’s design. This study deals with fatigue behaviors in adhesive bonded joints. Fatigue tests were conducted using double cantilever beam specimens to measure the fatigue crack growth properties of the DP8005 acrylic-based adhesive under Mode I loading on aluminum alloy, glass fiber-reinforced polypropylene matrix composite (GF/PP), and carbon fiber-reinforced epoxy matrix composite...
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Abstract Fatigue behaviors of hybrid joint, the combination of cold-formed mechanical fastening with adhesive bonding, are yet to be understood comprehensively even though they have been widely used in industries. The lack of understanding is mainly attributed to the complicated load transfer path and possible interactions between the two types of joining techniques, namely mechanical interlocking and adhesive bonding. In the present work, fatigue tests are performed on self-piercing riveted (SP...
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