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Pseudoelasticity and Nonideal Mullins Effect of Nanocomposite Hydrogels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The polymer network of a nanocomposite (NC) hydrogel is physically crosslinked by nanoclay. Recently reported high toughness of nanocomposite (NC) hydrogels highlights the importance of their dissipative properties. The ...
Effect of Fiber Geometry on Fracture and Fatigue of Composite Hydrogels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrogel-based biomedical applications are under rapid development. These applications usually demand hydrogels to have high toughness and high fatigue threshold. Recently, various fiber-reinforced composite hydrogels have ...
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 ...