Long-term adhesion durability revealed through a rheological paradigm

Changhong Linghu; Rui Wu; Yuqing Chen; Yulin Huang; Young-Jae Seo; Hua Li; Guannan Wang; Huajian Gao; K. Jimmy Hsia

doi:10.1126/sciadv.adt3957

Long-term adhesion durability revealed through a rheological paradigm

Changhong Linghu (Co-first Author), Rui Wu (Co-first Author), Yuqing Chen, Yulin Huang, Young-Jae Seo, Hua Li, Guannan Wang^*, Huajian Gao^*, K. Jimmy Hsia^*

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

3 Citations (Scopus)

Abstract

The question of how long an object can adhere to a surface has intrigued scientists for centuries. Traditional studies focus on rapid crack-propagation detachment and account only for short-term adhesion governed by interfacial-viscoelastic dissipation, failing to explain long-term phenomena like sudden detachment after prolonged adherence and to predict corresponding adhesion lifetimes. Here, we investigate the long-term adhesion through a rheological paradigm using both theory and experiment. By considering both the bulk rheology and interfacial viscoelasticity mechanisms, we show that long-term adhesion durability is governed by the competition between them. This understanding leads to accurate lifetime predictions, which we validate through experiments. In addition, our study reveals a previously undocumented, counterintuitive phenomenon unique to long-term adhesion: the expansion of the contact area under tensile forces, in contrast to short-term adhesion in which the contact area always shrinks during detachment. This research fills a critical gap in adhesion physics.

© 2025 The Authors, some rights reserved

Original language	English
Article number	eadt3957
Number of pages	10
Journal	Science Advances
Volume	11
Issue number	11
Online published	14 Mar 2025
DOIs	https://doi.org/10.1126/sciadv.adt3957
Publication status	Published - 14 Mar 2025
Externally published	Yes

Funding

K.J.H., H.G., and C.L. acknowledge the support by the Ministry of Education (MOE) of Singapore under Academic Research Fund Tier 2 (MOE-T2EP50122-0001). G.W. acknowledges the National Natural Science Foundation of China (12322206 and 12272340), and the National Key R&D Program of China under grant no. 2020YFA0711700.

Publisher's Copyright Statement

This full text is made available under CC-BY-NC 4.0. https://creativecommons.org/licenses/by-nc/4.0/

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abstract = "The question of how long an object can adhere to a surface has intrigued scientists for centuries. Traditional studies focus on rapid crack-propagation detachment and account only for short-term adhesion governed by interfacial-viscoelastic dissipation, failing to explain long-term phenomena like sudden detachment after prolonged adherence and to predict corresponding adhesion lifetimes. Here, we investigate the long-term adhesion through a rheological paradigm using both theory and experiment. By considering both the bulk rheology and interfacial viscoelasticity mechanisms, we show that long-term adhesion durability is governed by the competition between them. This understanding leads to accurate lifetime predictions, which we validate through experiments. In addition, our study reveals a previously undocumented, counterintuitive phenomenon unique to long-term adhesion: the expansion of the contact area under tensile forces, in contrast to short-term adhesion in which the contact area always shrinks during detachment. This research fills a critical gap in adhesion physics. {\textcopyright} 2025 The Authors, some rights reserved",

author = "Changhong Linghu and Rui Wu and Yuqing Chen and Yulin Huang and Young-Jae Seo and Hua Li and Guannan Wang and Huajian Gao and Hsia, {K. Jimmy}",

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AU - Linghu, Changhong

AU - Wu, Rui

AU - Chen, Yuqing

AU - Huang, Yulin

AU - Seo, Young-Jae

AU - Li, Hua

AU - Wang, Guannan

AU - Gao, Huajian

AU - Hsia, K. Jimmy

PY - 2025/3/14

Y1 - 2025/3/14

N2 - The question of how long an object can adhere to a surface has intrigued scientists for centuries. Traditional studies focus on rapid crack-propagation detachment and account only for short-term adhesion governed by interfacial-viscoelastic dissipation, failing to explain long-term phenomena like sudden detachment after prolonged adherence and to predict corresponding adhesion lifetimes. Here, we investigate the long-term adhesion through a rheological paradigm using both theory and experiment. By considering both the bulk rheology and interfacial viscoelasticity mechanisms, we show that long-term adhesion durability is governed by the competition between them. This understanding leads to accurate lifetime predictions, which we validate through experiments. In addition, our study reveals a previously undocumented, counterintuitive phenomenon unique to long-term adhesion: the expansion of the contact area under tensile forces, in contrast to short-term adhesion in which the contact area always shrinks during detachment. This research fills a critical gap in adhesion physics. © 2025 The Authors, some rights reserved

AB - The question of how long an object can adhere to a surface has intrigued scientists for centuries. Traditional studies focus on rapid crack-propagation detachment and account only for short-term adhesion governed by interfacial-viscoelastic dissipation, failing to explain long-term phenomena like sudden detachment after prolonged adherence and to predict corresponding adhesion lifetimes. Here, we investigate the long-term adhesion through a rheological paradigm using both theory and experiment. By considering both the bulk rheology and interfacial viscoelasticity mechanisms, we show that long-term adhesion durability is governed by the competition between them. This understanding leads to accurate lifetime predictions, which we validate through experiments. In addition, our study reveals a previously undocumented, counterintuitive phenomenon unique to long-term adhesion: the expansion of the contact area under tensile forces, in contrast to short-term adhesion in which the contact area always shrinks during detachment. This research fills a critical gap in adhesion physics. © 2025 The Authors, some rights reserved

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Long-term adhesion durability revealed through a rheological paradigm

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