research

https://doi.org/10.1140/epjb/s10051-021-00272-y

Abstract 

Abhishek Arora, Rajat Arora, Amit Acharya

http://dx.doi.org/10.1063/5.0080849

Abstract

A highly stretched hyperelastic shell exhibits a coupling behavior of local wrinkling and global bending within the stability boundary, and curvature resists and can even suppress surface wrinkles beyond a critical threshold. Here, we report a novel phenomenon that smooth surface maintains upon stretching a soft shell, while wrinkles emerge upon unloading, which implies a nonlinear interplay between curvature and Mullins (stress softening and residual strain) effects in the entire loading-unloading cycle.

The journal- EC Emergency Medicine and Critical Care   /  ECRONICON

 EC Emergency Medicine and Critical Care

Stimulus activated structures that deform from a reference to target configurations are used in various fields such as soft robotics, smart materials, and actuators.  In this work we introduce a framework that captures the non-linear response of multi-layer polymeric beams subjected to thermo-mechanical loading. We show that the exploitation of the glass transition temperature can lead to a wide variety of interesting responses. Our findings provide guideline for an efficient design of shape-morphing structures capable of polymorphism.

Check out our paper at IJMS:

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cdmHUB invites you to attend the Global Composites Experts Webinar Series. 

Title: Composite Materials: Where We are and Where to Go (Mechanical and Electrical Properties of Polymer Composites)

Speaker:  Dr. Karl Schulte

Time: 2/24, 11AM-12PM EST.

Please go to https://bit.ly/3soG8dk to register for this webinar.