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Mechanical CHANGE TOPIC

Mechanical properties news, February 2018

Novel smart material stiffens up when stressed

A novel material made of liquid-metal particles embedded in a rubbery elastomer can stiffen by up to 300% when subjected to mechanical stress.

Polymers can guide 3D printing of nanoscale metal structures

By binding metal ions to organic molecules, scientists have developed a novel 3D printing technique for fabricating complex nanoscale metal structures.

Treating wood to make it a lightweight, high-performance material.

Memory polymers for light-driven separations.

Micron-sized spheres coming together under the influence of a spinning magnetic field can be used to model 2D materials and other molecular systems.

A lithium-ion battery shaped like the human spine shows remarkable flexibility, high energy density and stable voltage while being flexed or twisted.

Interfacing silicon nanosprings for stability.

Computer models show that the right mix of hydrogen bonds is critical for producing polymer and cement composites that are strong, tough and ductile.

Researchers have identified a mechanism that triggers shape-memory phenomena in the organic crystals used in plastic electronics.

Scientists have synthesized a novel form of titanium nitride, called titanic nitride, which has promising mechanical and optoelectronic properties.

By employing graphene girders as physical supports, scientists have been able to replace graphite with silicon in the anodes of lithium-ion batteries.

Scientists have developed a new process for encouraging molecules to form complex tiling patterns known as tessellations through self-organization.

Scientists have greatly reduced the fragility of molten-electrode batteries by replacing the usual ceramic membrane with a metal mesh membrane.

Additive manufacturing enables an improvement in the strength of 316L stainless steel without adversely affecting ductility.

A tiny tube made of protein-like molecules called peptoids that rolls up and zips closed could be used for various applications including water filtration.

By combining two different types of silicone, researchers have been able to produce silicone parts with complex geometries by 3D printing.

Engineers have created a method for systematically designing metamaterials using the principles of quantum mechanics.

‘Dual-mode’ radiative thermal management textile can provide both warming and cooling.

A scaffold made of crumpled graphene balls can prevent the formation of dendrites in lithium metal batteries while withstanding volume changes.

Ordering C-S-H mesocrystals using polymeric binder creates strong and flexible hybrid material.

Inks based on graphene and other two-dimensional materials enable the printing of washable and biocompatible electronics on cotton and polyester textiles.

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