Three-dimensional metamaterial functional component and manufacturing method thereof
A technology for functional components and metamaterials, applied in the field of three-dimensional metamaterial functional components and their fabrication, can solve the problems of unable to replace a single damaged cell, reduce the use efficiency of metamaterial structures, and inability to efficiently prepare large-scale structures, and achieve structural The effect of simplicity, improved use efficiency, and improved manufacturing efficiency
Active Publication Date: 2022-05-24
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Benefits of technology
This patented method allows for creation of 3D materials that have specific shapes and physical characteristics depending on their intended purpose. These designs allow them to change shape when subjected to external forces like loading. Additionally, these designs provide space expansion capabilities without compromising any important features found within certain types of material's mechanics. Overall, this new type of material provides improved performance over existing ones while reducing its cost compared to traditional ways.
Problems solved by technology
This patented text discusses traditional methods used for creating mechanisms that exhibit specific strength values but lack versatility or flexibility when applied in various industries like aeronautics (a type of industry). There is also an issue where conventional designs require multiple steps during fabrication processes making them difficult to modify without affecting their performance overload condition. Therefore there is interest towards developing new ways to achieve these goals while maintaining good functionality and adaptable property options within one framework.
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[0050] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0051] It can be understood by those skilled in the art that the features in the following embodiments and implementations can be combined with each other without conflict.
[0052] The terminology used in the present invention is for the purpose of describing particu
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The invention provides a three-dimensional metamaterial functional component and a manufacturing method thereof.The functional component comprises a plurality of three-dimensional metamaterial cell elements which are detachably connected, each three-dimensional metamaterial cell element is composed of at least one two-dimensional metamaterial unit, and each two-dimensional metamaterial unit comprises a plurality of centrosymmetric two-dimensional metamaterial basic units; and the three-dimensional metamaterial cell elements are arranged in a space array mode. The two-dimensional metamaterial unit comprises a rigid metamaterial unit SPi, a flexible metamaterial unit SQi, a negative Poisson's ratio metamaterial unit SZi and a torsion metamaterial unit STi; different two-dimensional metamaterial units are selected and assembled into three-dimensional metamaterial cell elements with different topological structures and mechanical properties, and designability of structural deformation of the three-dimensional metamaterial cell elements in multiple directions under the action of loads is achieved. The two-dimensional metamaterial basic unit is simple in structure, manufacturing methods such as additive manufacturing and laser cutting are adopted, mass manufacturing can be effectively achieved, the manufacturing cost is reduced, and the manufacturing efficiency is improved.
Description
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