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A Model of the Fracture of Double Network Gels
Abstract
I propose a very simple model accounting for the very high toughness of double network gels based on the assumption that the first, stiff network will break up forming multiple cracks when the stress is above a defined value. These cracks are held together by the second network. A multiply cracked damage zone will form around any macroscopic crack in the material, causing energy dissipation and shielding the second network. The toughness enhancement by this process is estimated to be about ×40. The effect of cross-linking of the second network is discussed and explained.
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Citations
Cited by
Multi-scale multi-mechanism design of tough hydrogels: building dissipation into stretchy networks
Zhao, X. (2014) · Soft Matter · doi:10.1039/c3sm52272e · Cited by 1,252
Fracture and adhesion of soft materials: a review
Creton, C., & Ciccotti, M. (2016) · Reports on Progress in Physics · doi:10.1088/0034-4885/79/4/046601 · Cited by 915
50th Anniversary Perspective: Networks and Gels: Soft but Dynamic and Tough
Creton, C. (2017) · Macromolecules · doi:10.1021/acs.macromol.7b01698 · Cited by 463
Large Strain and Fracture Properties of Poly(dimethylacrylamide)/Silica Hybrid Hydrogels
Lin, W.-C., Fan, W., Marcellan, A., Hourdet, D., & Creton, C. (2010) · Macromolecules · doi:10.1021/ma901937r · Cited by 314
Fatigue fracture of tough hydrogels
Bai, R., Yang, Q., Tang, J., Morelle, X. P., Vlassak, J., & Suo, Z. (2017) · Extreme Mechanics Letters · doi:10.1016/j.eml.2017.07.002 · Cited by 312
Metadata
- Authors
- Brown, H. R.
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-04-14
- Volume
- 40
- Issue
- 10
- Pages
- 3815-3818
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W2012105843
- Cited by
- 324
- References
- 0
- FWCI
- 5.43
- Type
- journal article
- Language
- en
- Open access
- closed
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- Brown, H. R. (2007). A Model of the Fracture of Double Network Gels. Macromolecules. https://doi.org/10.1021/ma062642y
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
