ArticleProceedings of the National Academy of Sciences of the United States of America2024
Unique stick-slip crack dynamics of double-network hydrogels under pure-shear loading.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Highly Entangled Bottlebrush Polymer Networks.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Self-encapsulated nanofibrous ionic skin with superhigh fatigue resistance and broad environmental tolerance.Nature communications · 2026Article
- Double-network-inspired mechanical metamaterials.Nature materials · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
In this work, we have found that a prenotched double-network (DN) hydrogel, when subjected to tensile loading in a pure-shear geometry, exhibits intriguing stick-slip crack dynamics. These dynamics synchronize with the oscillation of the damage (yielding) zone at the crack tip. Through manipulation of the loading rate and the predamage level of the brittle network in DN gels, we have clarified that this phenomenon stems from the significant amount of energy dissipation required to form the damage zone at the crack tip, as well as a kinetic contrast between the rapid crack extension through the yielding zone (slip process) and the slow formation of a new yielding zone controlled by the external loading rate (stick process).
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