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Rui Huang's picture

A virtual IUTAM Symposium on Mechanics of Smart and Tough Gels (May 24-29, 2021)

Please join us next week for a free virtual symposium on mechanics of gels. Click the link below for the symposium program and the Zoom links to all 12 sessions.

 Mechanics of Smart and Tough Gels


Xavier Morelle's picture

Anti-icing propylene-glycol materials

Dear fellow iMechanicians,

Here is our recent paper published in EML on novel anti-icing materials based on propylene-glycol (PG) gels. This work was performed in collaboration with Xi Yao, Baohong Chen and myself while working in Zhigang Suo's lab at Harvard, and provides new solutions for anti-icing purposes (i.e. throug blankets design) without large and costly release of PG in the environment.

Anti-icing propylene glycol materials

Xi Yao, Baohong Chen, Xavier P. Morelle and Zhigang Suo*

noyco's picture

SES 2020 symposium: Modeling and Computational Methods for Polymer Networks and Gels

Shawn Chester (NJIT) and I (Technion) invite you to submit an abstract to the symposium “Modeling and Computational Methods for Polymer Networks and Gels” as part of the Society of Engineering Sciences 57th Annual Meeting (SES 2020). The meeting will take place at the Hyatt Regency Minneapolis during September 28-30, 2020.

noyco's picture

Drastic swelling-induced softening of polymer networks with non-covalent cross-linking bonds

Our recent work introduces a microscopically motivated model for the swelling response of polymer networks with non-covalent cross-linking bonds.

Wei Hong's picture

Surface interactions between two like-charged polyelectrolyte gels

Due to the migration of mobile molecules and ions, a thin diffusive layer of distributed charge - the electric double layer - forms at the interface between a polyelectrolyte gel and a liquid ionic solution.  When two polyelectrolyte gels are brought closely together, the electric double layers overlap and interact with each other, resulting in an effective repulsion.  The multiphysics coupling nature of soft gels makes their surface interactions significantly different from the interactions between rigid solids.

Drying-induced bifurcation in a hydrogel-actuated nanostructure

Fascinating paper. Congrats to Wei, Xuanhe, and Zhigang. Nice to see a simple and an elegant model together with an intuitively appealing physical interpretation of the bifurcation phenomenon in gels. It woud be interesting to see the time evolution of the drying process and the orientation (theta) of the nano wires.  

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