Search results for nacre

Materials Science Sep 16, 2019

Army research looks at pearls for clues on enhancing lightweight armor for soldiers

Round, smooth and iridescent, pearls are among the world's most exquisite jewels; now, these gems are inspiring a U.S. Army research project to improve military armor.

Archaeology & Fossils Aug 20, 2019

Making biominerals: Nature's recipe is old, evolved more than once

In recent years, scientists have teased out many of the secrets of biomineralization, the process by which sea urchins grow spines, mollusks build their shells and corals make their skeletons, not to mention how mammals and ...

Ecology Aug 28, 2019

New mussel discoveries in Myanmar spark calls for protection

Eight new freshwater mussels have been discovered by an international team of scientists in Myanmar, a finding that has sparked calls for action to protect this most vulnerable of freshwater animals.

Polymers Apr 10, 2019

3-D printing electrically assisted, nacre-inspired structures with self-sensing capabilities

Nacre, also known as mother of pearl is a composite, organic-inorganic material produced in nature in the inner shell layer of molluscs and the outer coating of pearls. The material is resilient and iridescent with high strength ...

Nanomaterials Jan 22, 2015

Transparent artificial nacre: A brick wall at the nanoscale

Natural materials have extraordinary mechanical properties, which are based on sophisticated arrangements and combinations of multiple building blocks. One key aspect of today's materials research therefore is to develop ...

Materials Science Jun 22, 2015

Hydrogen bonds in the polymer phase boost important properties of nacre mimetics

Nacre, or mother of pearl, has highly attractive mechanical properties but cannot be processed into larger-scale structures. Synthetic nanocomposites can mimic the characteristic brick-and-mortar-like structure of nacre, ...

Materials Science Aug 18, 2010

Microscopic firewalls: Robust foils of synthetic nacre analogues act as a heat shield

(PhysOrg.com) -- Biological materials are fascinating because they are very light but have the ability to withstand extreme forces. Nacre is amazingly tough thanks to a multi-layer arrangement of platelet-shaped calcium carbonate ...

Nanomaterials Mar 24, 2010

New, high-strength and lightweight nacre-mimetic material applicable to large-scale industrial processes

Helsinki University of Technology research group in collaboration with VTT and Royal Institute of Technology, Finland, show the first example of light-weight but mechanically strong nanocomposite material mimicking the nacreous ...

Materials Science Apr 23, 2019

Researchers create artificial mother-of-pearl using bacteria

The strongest synthetic materials are often those that intentionally mimic nature.

Materials Science Aug 19, 2016

Natural mother of pearl structure, synthetic replication

Biomaterials play a crucial role in the development of future high-performance materials. A naturally occurring example of such biomaterial, the mollusk shell, guides chemical replication processes in laboratories. Due to ...

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