Using simple energy balance arguments and fracture mechanics concepts, guidelines are established for the design of nacre-like composites with a remarkable combination of stiffness, strength, and toughness. This demonstrates the possibility to controllably introduce toughening mechanisms at different length ...
1(b). Thus, a reliable bending model of nacre-like composites should take the two effects into account. In this work, a general approach based on the DTS model under bending configuration was developed to describe the bending behaviors of nacre-like structure, i.e., bending deformable ...
In addition, compared to other bioinspired composites with nacre-like structures, our synthetic nacre-like glass samples fulfill the requirements for this work, including the precise control of internal size and architecture, the reproduction of large-scale tablet sliding and the mass production of ...
Bulk nacre-like composites with mineral nano-interconnectivity at the same length scale as in the biological material are produced using magnetic alignment... M Grossman,F Bouville,F Erni,... - 《Advanced Materials》 被引量: 7发表: 2017年 A Novel Approach to Developing Biomimetic ("Nacre-Like...
The higher performance at higher impact velocities of the nacre-like composites is attributed to the hierarchical structure that enables both localized energy absorption by deformation of the metallic tablet and tablet interlocking due to the waviness and inter-layered delamination, which allows plastic ...
13d). The observation of only a few grain boundaries without pores and cracks on the fracture surface of the nacre-like composites (Fig. 13e–g) demonstrated the importance of interface modification, which led to improved mechanical properties. Fig. 13 3D nacre-inspired bulk materials with ...
This not only helped shorten the fabrication processing time but also enabled the easy control of microstructure of the resultant nacre-like composites with a unique micro-layered (μL) architecture. The effects of processing conditions on microstructure and mechanical properties of the μL composites...
Nacre (seashells) and bone are frequently used as examples for how nature achieves this through biomineralized, hybrid organic-inorganic composites, highly optimized for specific functions. Unfortunately, it has proven extremely difficult to transcribe nacre-like clever designs into synthetic materials, in...
To produce the smart nacre, the Diels–Alder network polymer was infiltrated into the densified alumina scaffold in its liquid precursor form followed by thermal curing. For better comparison, nacre-like composites with less ordered alumina platelets were prepared by the unidirectional freezing method10...
We report a simple approach to fabricate bulk transparent materials with a nacre-like architecture that can effectively arrest the propagation of cracks during fracture. Mechanical characterization shows that our glass-based composites exceed up to a factor of 3 the fracture toughness of common glasses...