Analysis of debonding in bio-inspired interfaces obtained by additive manufacturing

Alfano, Marco; Morano, Chiara; Bruno, Luigi; Muzzupappa, Maurizio; Pagnotta, Leonardo

doi:10.1016/j.prostr.2017.12.059

Cited by 21 publications

(14 citation statements)

References 8 publications

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“…The second approach draws inspiration from organisms which show high adhesion and toughness. Using a fracture mechanics-based approach, several authors [ 33 , 34 , 35 , 37 ] developed through the thickness structures able to delay crack propagation and the failure of the joints.…”

Section: Discussionmentioning

confidence: 99%

“…A first feasibility study on crack trapping using AM for bonded joints was made by Alfano et al [ 33 ]. In this work, the authors used simplified 2D sub-surface structures ( Figure 6 ) bio-inspired by the Balanus Amphitrite in order to obtain a toughening effect.…”

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

“…At first, FEM models for three different channel shapes were proposed and validated with experimental data in order to correlate the sub-surface geometry with the crack propagation behavior under mode I loading. DCB specimens, in the same configuration proposed by Alfano et al [ 33 ], were fabricated and tested. Using FEM simulation and the virtual crack closure technique (VCCT), the strain energy release rate was evaluated for both standard and tailored configurations.…”

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

“…The work by Afferrante et al [ 38 ] can be considered as complementary to the works by Alfano et al [ 33 ] and Morano et al [ 35 ] as it investigates the effect of 2D sub-surface structure with loading in different directions with respect to the tailored structures. The authors studied how it is possible to control the joint strength using the crack trapping mechanism and controlling the adherends’ stiffness.…”

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

“… Adherend bio-inspired stiffness tailoring using a sub-surface geometry as proposed in [ 33 , 34 , 35 ]. …”

Section: Figurementioning

confidence: 99%

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Review of Tailoring Methods for Joints with Additively Manufactured Adherends and Adhesives

et al. 2020

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This review aims to assess the current modelling and experimental achievements in the design for additive manufacturing of bonded joints, providing a summary of the current state of the art. To limit its scope, the document is focused only on polymeric additive manufacturing processes. As a result, this review paper contains a structured collection of the tailoring methods adopted for additively manufactured adherends and adhesives with the aim of maximizing bonded joint performance. The intent is, setting the state of the art, to produce an overview useful to identify the new opportunities provided by recent progresses in the design for additive manufacturing, additive manufacturing processes and materials’ developments.

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Section: Discussionmentioning

confidence: 99%

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

Section: Joint Design Strategies For Additive Manufacturingmentioning

confidence: 99%

“… Adherend bio-inspired stiffness tailoring using a sub-surface geometry as proposed in [ 33 , 34 , 35 ]. …”

Section: Figurementioning

confidence: 99%

See 3 more Smart Citations

Review of Tailoring Methods for Joints with Additively Manufactured Adherends and Adhesives

et al. 2020

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Bio-inspired Design and Optimization of Motor Body of an Electronic Lock Using Taguchi DOE-FEA-GA Integration Technique

Gukan¹,

Sivaranjani²,

Nair³

et al. 2022

Materials, Design and Manufacturing for Sustainable Environment

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Effect of induced plastic strain on the porosity of PA12 printed through selective laser sintering studied by X-ray computed micro-tomography

Morano

Crocco

Formoso

et al. 2023

Int J Adv Manuf Technol

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3D printing is a widespread technology in different fields, such as medicine, construction, ergonomics, and the transportation industry. Its diffusion is related to the ability of this technique to produce complex parts without needing for assembly of different components or post-processing. However, the quality of the parts produced by additive manufacturing could be affected by the fabrication process, thus leading to the development of different kinds of defects such as porosity or inclusions. Understanding the role played by these defects and promoting strategies that could help reduce their occurrence represents a key point to allow using 3D printing for structural applications. In this work, 3D printed parts have been subjected to porosity characterization by using experimental tests on Dogbones samples subjected to plastic deformation. In particular, X-ray computed micro-tomography (µ-CT) has been employed as an investigation tool for the identification of fabrication defects and for analyzing the crack growth mechanism that occurs after subjecting samples to quasi-static loading conditions.

show abstract

Analysis of debonding in bio-inspired interfaces obtained by additive manufacturing

Cited by 21 publications

References 8 publications

Review of Tailoring Methods for Joints with Additively Manufactured Adherends and Adhesives

Review of Tailoring Methods for Joints with Additively Manufactured Adherends and Adhesives

Bio-inspired Design and Optimization of Motor Body of an Electronic Lock Using Taguchi DOE-FEA-GA Integration Technique

Effect of induced plastic strain on the porosity of PA12 printed through selective laser sintering studied by X-ray computed micro-tomography

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