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Broadband wave-absorbing material based on 3D printing and preparation method thereof
The invention discloses a broadband wave-absorbing material based on 3D printing. The material is formed by sequentially stacking a dielectric layer and a reflecting layer from outside to inside, and has a periodic three-dimensional structure. The dielectric layer is composed of an organic resin binder, ceramic powder and a wave-absorbing agent, the dielectric layer is of a three-dimensional periodic array structure, structural units are cylinders, cuboids, prisms or prismatic tables, the number of layers is 2-3, and the structural units are coaxially stacked from small to large from outside to inside, and the reflecting layer is made of metal, ceramic or a high-molecular compound. The preparation method of the broadband wave-absorbing material comprises the following steps: establishing a model, preparing powder, and preparing the material through 3D printing. According to the novel three-dimensional structure metamaterial, the integral structural strength of the wave-absorbing material is effectively improved, the adjustability of the wave-absorbing performance of the material is greatly improved, the wave-absorbing frequency band is widened, meanwhile, the manufacturing process is simple, the production efficiency is high, and batch production can be achieved easily.
本发明公开了一种基于3D打印的宽频吸波材料，由介质层和反射层由外向内依次堆叠而成，具有周期性三维结构。介质层由有机树脂粘结剂、陶瓷粉末与吸波剂组成，三维周期性阵列结构，结构单元为圆柱体、长方体、棱柱或棱台，层数为2~3，由外至内呈现从小到大的同轴堆叠，反射层为金属、陶瓷或者高分子化合物。该宽频吸波材料的制备方法包括：建立模型、制备粉体、3D打印制备材料。本发明提出了一种新型三维立体结构超材料，有效提升吸波材料的整体性结构强度，大幅度提升材料吸波性能的可调节性，拓宽吸波频带，同时制造过程简单，生产效率高，有利于实现批量化生产。
Broadband wave-absorbing material based on 3D printing and preparation method thereof
The invention discloses a broadband wave-absorbing material based on 3D printing. The material is formed by sequentially stacking a dielectric layer and a reflecting layer from outside to inside, and has a periodic three-dimensional structure. The dielectric layer is composed of an organic resin binder, ceramic powder and a wave-absorbing agent, the dielectric layer is of a three-dimensional periodic array structure, structural units are cylinders, cuboids, prisms or prismatic tables, the number of layers is 2-3, and the structural units are coaxially stacked from small to large from outside to inside, and the reflecting layer is made of metal, ceramic or a high-molecular compound. The preparation method of the broadband wave-absorbing material comprises the following steps: establishing a model, preparing powder, and preparing the material through 3D printing. According to the novel three-dimensional structure metamaterial, the integral structural strength of the wave-absorbing material is effectively improved, the adjustability of the wave-absorbing performance of the material is greatly improved, the wave-absorbing frequency band is widened, meanwhile, the manufacturing process is simple, the production efficiency is high, and batch production can be achieved easily.
本发明公开了一种基于3D打印的宽频吸波材料，由介质层和反射层由外向内依次堆叠而成，具有周期性三维结构。介质层由有机树脂粘结剂、陶瓷粉末与吸波剂组成，三维周期性阵列结构，结构单元为圆柱体、长方体、棱柱或棱台，层数为2~3，由外至内呈现从小到大的同轴堆叠，反射层为金属、陶瓷或者高分子化合物。该宽频吸波材料的制备方法包括：建立模型、制备粉体、3D打印制备材料。本发明提出了一种新型三维立体结构超材料，有效提升吸波材料的整体性结构强度，大幅度提升材料吸波性能的可调节性，拓宽吸波频带，同时制造过程简单，生产效率高，有利于实现批量化生产。
Broadband wave-absorbing material based on 3D printing and preparation method thereof
一种基于3D打印的宽频吸波材料及其制备方法
WANG TING (author) / XIAO QIQIAO (author)
2021-07-06
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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