首页|A Review on the Mullins Effect in Tough Elastomers and Gels
A Review on the Mullins Effect in Tough Elastomers and Gels
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Tough elastomers and gels have garnered broad research interest due to their wide-ranging potential applications.However,during the loading and unloading cycles,a clear stress softening behavior can be observed in many material systems,which is also named as the Mullins effect.In this work,we aim to provide a complete review of the Mullins effect in soft yet tough materials,specifically focusing on nanocomposite gels,double-network hydrogels,and multi-network elastomers.We first revisit the experimental observations for these soft materials.We then discuss the recent developments of constitutive models,emphasizing novel developments in the damage mechanisms or network representations.Some phenomenological models will also be briefly introduced.Particular attention is then placed on the anisotropic and multiaxial modeling aspects.It is demonstrated that most of the existing models fail to accurately predict the multiaxial data,posing a significant challenge for developing future anisotropic models tailored for tough gels and elastomers.
Mullins effectDouble-network hydrogelsNanocomposite gelsMulti-network elastomersAnisotropic damage modelMultiaxial model
Lin Zhan、Shaoxing Qu、Rui Xiao
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MOE Key Lab of Disaster Forecast and Control in Engineering,College of Mechanics and Construction Engineering,Jinan University,Guangzhou 510632,China
State Key Laboratory of Fluid Power and Mechatronic System,Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province,Department of Engineering Mechanics,Zhejiang University,Hangzhou 310027,China
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