A Big Jump in Nacre-inspired Strong, Tough Composites

To achieve structural order and strength-toughness balance similar to natural composites like nacre has been highly challenging, especially in a practically viable manner. Liu et al. developed a continuous preparation method to construct such high performance composites through a superspreading stra...

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Bibliographic Details
Published in:Chemical research in Chinese universities 2020-06, Vol.36 (3), p.488-489
Main Author: Lu, Hongbin
Format: Article
Language:English
Subjects:
Analytical Chemistry
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Composite materials
Fracture toughness
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Hydrogels
Inorganic Chemistry
Nacre
Nanoparticles
Organic Chemistry
Physical Chemistry
Shear forces
Tensile strength
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Summary:To achieve structural order and strength-toughness balance similar to natural composites like nacre has been highly challenging, especially in a practically viable manner. Liu et al. developed a continuous preparation method to construct such high performance composites through a superspreading strategy at the oil/water/hydrogel interface. Exploiting the strong shear force at the interface, nanoparticles, such as nanosheets and nanotubes oriented and stacked together rapidly(as short as 358 ms) and the composites revealed the tensile strength and fracture toughness far higher those of natural nacre(9.0 and 20.4 times higher). This work has been published in Nature, 2020.
ISSN:1005-9040
2210-3171
DOI:10.1007/s40242-020-0128-9