Metamaterial adhesives for programmable adhesion through reverse crack propagation

D Hwang, C Lee, X Yang, JM Pérez-González… - Nature Materials, 2023 - nature.com
Adhesives are typically either strong and permanent or reversible with limited strength.
However, current strategies to create strong yet reversible adhesives needed for wearable …

Kirigami-inspired adhesion with high directional asymmetry

Q Li, W Liu, C Yang, P Rao, P Lv, H Duan… - Journal of the Mechanics …, 2022 - Elsevier
Robust adhesion to and effortless removal from various substrates are of great importance to
soft adhesives in myriad applications. However, controlled regulation between strong …

Effective toughness of periodic heterogeneous materials: the effect of out-of-plane excursions of cracks

M Lebihain, JB Leblond, L Ponson - Journal of the Mechanics and Physics …, 2020 - Elsevier
A powerful semi-analytical method is developed to investigate the impact of tough inclusions
on crack paths and the resulting effective fracture properties. Using a perturbative approach …

[HTML][HTML] On the effect of interfacial patterns on energy dissipation in plastically deforming adhesive bonded ductile sheets

A Pascuzzo, A Yudhanto, M Alfano… - International Journal of …, 2020 - Elsevier
Toughening of brittle adhesive joints is a topic of great interest for the fabrication of layered
structures. Recent experimental work by the authors indicated that spatially varying interface …

Investigation of cracking mechanisms in rubber-modified asphalt through fracture testing of mastic specimens

P Rath, N Gettu, S Chen, WG Buttlar - Road Materials and …, 2022 - Taylor & Francis
Rubber modification of asphalt leads to improvement in certain asphalt mixture properties in
lab studies, and extension of service life has been reported in a number of field studies …

[HTML][HTML] Laser-based interfacial patterning enables toughening of CFRP/epoxy joints through bridging of adhesive ligaments

R Tao, X Li, A Yudhanto, M Alfano… - Composites Part A: Applied …, 2020 - Elsevier
The ability to prevent catastrophic failures in secondary bonded CFRP adhesive joints is
important for reliable automotive and aerospace structures. In a previous study, we …

Quantitative peel test for thin films/layers based on a coupled parametric and statistical study

M Rezaee, LC Tsai, MI Haider, A Yazdi… - Scientific reports, 2019 - nature.com
The adhesion strength of thin films is critical to the durability of micro and nanofabricated
devices. However, current testing methods are imprecise and do not produce quantitative …

On controlling interfacial heterogeneity to trigger bridging in secondary bonded composite joints: An efficient strategy to introduce crack-arrest features

R Tao, X Li, A Yudhanto, M Alfano… - Composites Science and …, 2020 - Elsevier
Secondary adhesive bonding of carbon fiber-reinforced polymer laminates is of great
interest for the aerospace and automotive industries. However, joint reliability is still a major …

Fracture diodes: Directional asymmetry of fracture toughness

NR Brodnik, S Brach, CM Long, G Ravichandran… - Physical Review Letters, 2021 - APS
Toughness describes the ability of a material to resist fracture or crack propagation. It is
demonstrated here that fracture toughness of a material can be asymmetric, ie, the …

Quasi-static crack front deformations in cohesive materials

M Lebihain, T Roch, JF Molinari - Journal of the Mechanics and Physics of …, 2022 - Elsevier
When a crack interacts with material heterogeneities, its front distorts and adopts complex
tortuous configurations that are reminiscent of the energy barriers encountered during crack …