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Improve Hydrogel Adhesion by Introducing Pillar Structures at the Interface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Introducing inelastic dissipaters can enhance the adhesion of hydrogels. However, the adhesion energy enhanced by inelastic dissipaters dramatically decreases when the adhesion interface is loaded repeatedly. Here, we ...
A Constitutive Model for Soft Materials Incorporating Viscoelasticity and Mullins Effect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Soft materials including elastomers and gels are widely used in applications of energy absorption, soft robotics, bioengineering, and medical instruments. For many soft materials subject to loading and unloading cycles, ...
The Stiffness-Threshold Conflict in Polymer Networks and a Resolution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Stiffness and fatigue threshold are important material parameters in load-carrying applications. However, it is impossible to achieve both high stiffness and high threshold for single-network elastomers and single-network ...
A Phenomenological Model for Shakedown of Tough Hydrogels Under Cyclic Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most tough hydrogels suffer accumulated damages under cyclic loads. The damages may stem from breakage of covalent bonds, unzipping of ionic crosslinks, or desorption of polymer chains from nanoparticle surfaces. Recent ...
Viscoelastic Effect on the Wrinkling of an Inflated Dielectric-Elastomer Balloon
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Viscoelasticity plays an important role in the instability and performance of soft transducers. Wrinkling, an instability phenomenon commonly observed on soft materials, has been studied extensively. In this paper, we ...
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