Fatigue of hydrogels

Tongqing Lu; Wenlei Zhang; Yifan Zhou

doi:10.1016/B978-0-08-102862-9.00006-3

Fatigue of hydrogels

Tongqing Lu
, Wenlei Zhang
, Yifan Zhou

School of Aerospace Engineering

Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

4 Scopus citations

Abstract

In many applications, hydrogels sustain cyclic load and are fatigue-prone. Herein fatigue of hydrogels is characterized by two methods: measuring crack growth rate as a function of energy release rate and measuring the number of cycles to rupture as a function of applied load. This chapter introduces two important progresses in fatigue of hydrogels. First, the fatigue mechanism of tough hydrogels—identifying long polymer chains as elastic dissipaters to determine the fatigue threshold. Second, the great enhancement of fatigue property of hydrogels by using heterogeneous structures. The above two understandings also apply to the improvement of fatigue of hydrogel adhesion.

Original language	English
Title of host publication	The Mechanics of Hydrogels
Subtitle of host publication	Mechanical Properties, Testing, and Applications
Publisher	Elsevier
Pages	119-138
Number of pages	20
ISBN (Electronic)	9780081028629
ISBN (Print)	9780081028636
DOIs	https://doi.org/10.1016/B978-0-08-102862-9.00006-3
State	Published - 1 Jan 2022

Keywords

Adhesion
Composite design
Crystallization
Elastic dissipator
Fatigue
Hydrogel

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10.1016/B978-0-08-102862-9.00006-3

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abstract = "In many applications, hydrogels sustain cyclic load and are fatigue-prone. Herein fatigue of hydrogels is characterized by two methods: measuring crack growth rate as a function of energy release rate and measuring the number of cycles to rupture as a function of applied load. This chapter introduces two important progresses in fatigue of hydrogels. First, the fatigue mechanism of tough hydrogels—identifying long polymer chains as elastic dissipaters to determine the fatigue threshold. Second, the great enhancement of fatigue property of hydrogels by using heterogeneous structures. The above two understandings also apply to the improvement of fatigue of hydrogel adhesion.",

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AU - Lu, Tongqing

AU - Zhang, Wenlei

AU - Zhou, Yifan

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N2 - In many applications, hydrogels sustain cyclic load and are fatigue-prone. Herein fatigue of hydrogels is characterized by two methods: measuring crack growth rate as a function of energy release rate and measuring the number of cycles to rupture as a function of applied load. This chapter introduces two important progresses in fatigue of hydrogels. First, the fatigue mechanism of tough hydrogels—identifying long polymer chains as elastic dissipaters to determine the fatigue threshold. Second, the great enhancement of fatigue property of hydrogels by using heterogeneous structures. The above two understandings also apply to the improvement of fatigue of hydrogel adhesion.

AB - In many applications, hydrogels sustain cyclic load and are fatigue-prone. Herein fatigue of hydrogels is characterized by two methods: measuring crack growth rate as a function of energy release rate and measuring the number of cycles to rupture as a function of applied load. This chapter introduces two important progresses in fatigue of hydrogels. First, the fatigue mechanism of tough hydrogels—identifying long polymer chains as elastic dissipaters to determine the fatigue threshold. Second, the great enhancement of fatigue property of hydrogels by using heterogeneous structures. The above two understandings also apply to the improvement of fatigue of hydrogel adhesion.

KW - Adhesion

KW - Composite design

KW - Crystallization

KW - Elastic dissipator

KW - Fatigue

KW - Hydrogel

UR - https://www.scopus.com/pages/publications/85148822355

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DO - 10.1016/B978-0-08-102862-9.00006-3

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SN - 9780081028636

SP - 119

EP - 138

BT - The Mechanics of Hydrogels

PB - Elsevier

ER -

Fatigue of hydrogels

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Keywords

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