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Silicon carbide wave-absorbing material with multi-layer structure and preparation method of silicon carbide wave-absorbing material
The invention provides a multilayer structure silicon carbide wave-absorbing material and a preparation method thereof.The multilayer structure silicon carbide wave-absorbing material comprises a first plane layer, a first circular tube layer, a second plane layer, a second circular tube layer and a third plane layer which are sequentially arranged in a stacked mode, and the first circular tube layer and the second circular tube layer comprise a plurality of hollow circular tubes arranged in parallel; the adjacent hollow circular pipes abut against each other, and the silicon carbide wave-absorbing material with the multilayer structure comprises the following raw materials in percentage by mass: 40-80% of silicon carbide powder, 10-40% of paraffin, 5-10% of thermoplastic resin, 1-5% of stearic acid and 1-5% of a sintering aid. The silicon carbide material is improved in the aspects of raw material composition and structure, and by adjusting the thermoplastic resin, the wave-absorbing frequency band of the material can be widened, and the mechanical property can be improved; the material has a multi-layer structure, and two layers of hollow circular tubes are arranged at intervals, so that the wave-absorbing performance of the material can be improved.
本发明提供多层结构碳化硅吸波材料及其制备方法，多层结构碳化硅吸波材料包括依次层叠设置的第一平面层、第一圆管层、第二平面层、第二圆管层和第三平面层，所述第一圆管层和所述第二圆管层包括多根平行排列的空心圆管，相邻所述空心圆管相抵，所述多层结构碳化硅吸波材料包括以下质量百分比的原料：碳化硅粉体40％～80％、石蜡10％～40％、热塑性树脂5％～10％、硬脂酸1％～5％、烧结助剂1％～5％。本发明对碳化硅材料在原料组成和结构上进行改进，通过调整热塑性树脂，可以拓宽材料吸波频段、提高力学性能；材料具有多层结构，间隔设置两层空心圆管，可以提升材料的吸波性能。
Silicon carbide wave-absorbing material with multi-layer structure and preparation method of silicon carbide wave-absorbing material
The invention provides a multilayer structure silicon carbide wave-absorbing material and a preparation method thereof.The multilayer structure silicon carbide wave-absorbing material comprises a first plane layer, a first circular tube layer, a second plane layer, a second circular tube layer and a third plane layer which are sequentially arranged in a stacked mode, and the first circular tube layer and the second circular tube layer comprise a plurality of hollow circular tubes arranged in parallel; the adjacent hollow circular pipes abut against each other, and the silicon carbide wave-absorbing material with the multilayer structure comprises the following raw materials in percentage by mass: 40-80% of silicon carbide powder, 10-40% of paraffin, 5-10% of thermoplastic resin, 1-5% of stearic acid and 1-5% of a sintering aid. The silicon carbide material is improved in the aspects of raw material composition and structure, and by adjusting the thermoplastic resin, the wave-absorbing frequency band of the material can be widened, and the mechanical property can be improved; the material has a multi-layer structure, and two layers of hollow circular tubes are arranged at intervals, so that the wave-absorbing performance of the material can be improved.
本发明提供多层结构碳化硅吸波材料及其制备方法，多层结构碳化硅吸波材料包括依次层叠设置的第一平面层、第一圆管层、第二平面层、第二圆管层和第三平面层，所述第一圆管层和所述第二圆管层包括多根平行排列的空心圆管，相邻所述空心圆管相抵，所述多层结构碳化硅吸波材料包括以下质量百分比的原料：碳化硅粉体40％～80％、石蜡10％～40％、热塑性树脂5％～10％、硬脂酸1％～5％、烧结助剂1％～5％。本发明对碳化硅材料在原料组成和结构上进行改进，通过调整热塑性树脂，可以拓宽材料吸波频段、提高力学性能；材料具有多层结构，间隔设置两层空心圆管，可以提升材料的吸波性能。
Silicon carbide wave-absorbing material with multi-layer structure and preparation method of silicon carbide wave-absorbing material
一种多层结构碳化硅吸波材料及其制备方法
HE GUANGQI (author) / WU YANJIAO (author) / XIONG LIJUN (author) / WANG YONGHUI (author) / CHEN GENGYUN (author) / JIANG JIASHAN (author) / YAN XIAOBIN (author) / XU BIN (author) / XUE ZHENKUN (author) / HONG YUZHE (author)
2024-02-23
Patent
Electronic Resource
Chinese
IPC:
B32B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
,
Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse
/
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
/
C04B
Kalk
,
LIME
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