期刊
JOURNAL OF THE ROYAL SOCIETY INTERFACE
卷 10, 期 89, 页码 -出版社
ROYAL SOC
DOI: 10.1098/rsif.2013.0711
关键词
biological materials; bioinspired composites; optimization; hybrid materials; bone; nacre
资金
- Fonds Quebecois de la Recherche sur la Nature et les Technologies
- Natural Sciences and Engineering Research Council of Canada
- McGill Engineering Doctoral Award
How to arrange soft materials with strong but brittle reinforcements to achieve attractive combinations of stiffness, strength and toughness is an ongoing and fascinating question in engineering and biological materials science. Recent advances in topology optimization and bioinspiration have brought interesting answers to this question, but they provide only small windows into the vast design space associated with this problem. Here, we take a more global approach in which we assess the mechanical performance of thousands of possible microstructures. This exhaustive exploration gives a global picture of structure-property relationships and guarantees that global optima can be found. Landscapes of optimum solutions for different combinations of desired properties can also be created, revealing the robustness of each of the solutions. Interestingly, while some of the major hybrid designs used in engineering are absent from the set of solutions, the microstructures emerging from this process are reminiscent of materials, such as bone, nacre or spider silk.
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