Cited by 915Adhesion, Friction, and Surface InteractionsAdvanced Materials and MechanicsFatigue and fracture mechanics

Fracture and adhesion of soft materials: a review

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Creton, Costantino, Ciccotti, Matteo·2016·Reports on Progress in Physics

Abstract

Soft materials are materials with a low shear modulus relative to their bulk modulus and where elastic restoring forces are mainly of entropic origin. A sparse population of strong bonds connects molecules together and prevents macroscopic flow. In this review we discuss the current state of the art on how these soft materials break and detach from solid surfaces. We focus on how stresses and strains are localized near the fracture plane and how elastic energy can flow from the bulk of the material to the crack tip. Adhesion of pressure-sensitive-adhesives, fracture of gels and rubbers are specifically addressed and the key concepts are pointed out. We define the important length scales in the problem and in particular the elasto-adhesive length Γ /E where Γ is the fracture energy and E is the elastic modulus, and how the ratio between sample size and Γ /E controls the fracture mechanisms. Theoretical concepts bridging solid mechanics and polymer physics are rationalized and illustrated by micromechanical experiments and mechanisms of fracture are described in detail. Open questions and emerging concepts are discussed at the end of the review.

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Crossref · 10.1088/0034-4885/79/4/046601

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  • The enhanced viscoelasticity and toughness contributed to their improved adhesion compared with G-max.

    “The enhanced viscoelasticity and toughness contributed to their improved adhesion compared with G-max44.”

    From Data-driven de novo design of super-adhesive hydrogels (2025) · cites this paper as [44]

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Authors
Creton, C., & Ciccotti, M.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
  • Creton, Costantino
  • Ciccotti, Matteo
Venue
Reports on Progress in Physics
Published
2016-03-23
Volume
79
Issue
4
Pages
046601
ISSN
  • 0034-4885 (ISSN-L)
  • 1361-6633
OpenAlex
W2304094067
Cited by
915
References
352
Citations by year
2026: 127 · 2025: 107 · 2024: 115 · 2023: 103 · 2022: 93 · 2021: 111 · 2020: 86 · 2019: 71 · 2018: 51 · 2017: 34 · 2016: 16
FWCI
49.44
Type
journal article
Language
en
Open access
Locations
  • Reports on Progress in Physics (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
Topics
  • Physical Sciences › Engineering › Mechanics of Materials › Adhesion, Friction, and Surface Interactions
  • Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
  • Physical Sciences › Engineering › Mechanics of Materials › Fatigue and fracture mechanics
Keywords
soft materials, fracture, adhesion, pressure-sensitive adhesives, gels, rubber fracture, stress localization, fracture energy, polymer physics, fracture mechanism

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