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Bionic silicon nitride ceramic material and preparation method thereof
The invention discloses a bionic silicon nitride ceramic material and a preparation method thereof, and belongs to the technical field of inorganic ceramic materials. The bionic silicon nitride ceramic material comprises the following raw materials: beta silicon nitride whisker seed crystal, alpha silicon nitride particle powder, a dispersant, a binder, a plasticizer and a solvent, wherein the diameter of the beta silicon nitride whisker is 10-1000nm, the length-diameter ratio is 4: 1 to 100: 1, the particle size of the alpha silicon nitride particles is 0.01-10 microns, and the beta silicon nitride whisker seed crystal accounts for 5-50wt% of the silicon nitride raw material. According to the bionic silicon nitride ceramic material and the preparation method thereof, a whisker directionalreinforced film is used as a primitive, the strength of the primitive is improved, the silicon nitride ceramic material of the ceramic is formed by laminating thin layers, an aid is sputtered to forma gradient aid through a bionic human bone structure, the formation of a layered structure is ensured, and the strength and toughness of the silicon nitride ceramic are improved after the layered structure is formed.
本发明公开了无机陶瓷材料技术领域的一种仿生氮化硅陶瓷材料及其制备方法,该种仿生氮化硅陶瓷材料的原料包括:β氮化硅晶须晶种;α氮化硅颗粒粉末;分散剂;粘结剂;塑化剂;溶剂,所述β氮化硅晶须直径为10~1000nm,长径比为4:1~100:1,所述α氮化硅颗粒粒径为0.01~10微米,氮化硅原料中β氮化硅晶须晶种占比5~50wt%,该种仿生氮化硅陶瓷材料及其制备方法,该方法以晶须定向增强薄膜为基元,提高基元的强度,薄层层叠形成陶瓷的氮化硅陶瓷材料,通过仿生人骨结构,溅射助剂形成梯度助剂,保证层状结构的形成,形成层状结构后,提高氮化硅陶瓷的强度和韧性。
Bionic silicon nitride ceramic material and preparation method thereof
The invention discloses a bionic silicon nitride ceramic material and a preparation method thereof, and belongs to the technical field of inorganic ceramic materials. The bionic silicon nitride ceramic material comprises the following raw materials: beta silicon nitride whisker seed crystal, alpha silicon nitride particle powder, a dispersant, a binder, a plasticizer and a solvent, wherein the diameter of the beta silicon nitride whisker is 10-1000nm, the length-diameter ratio is 4: 1 to 100: 1, the particle size of the alpha silicon nitride particles is 0.01-10 microns, and the beta silicon nitride whisker seed crystal accounts for 5-50wt% of the silicon nitride raw material. According to the bionic silicon nitride ceramic material and the preparation method thereof, a whisker directionalreinforced film is used as a primitive, the strength of the primitive is improved, the silicon nitride ceramic material of the ceramic is formed by laminating thin layers, an aid is sputtered to forma gradient aid through a bionic human bone structure, the formation of a layered structure is ensured, and the strength and toughness of the silicon nitride ceramic are improved after the layered structure is formed.
本发明公开了无机陶瓷材料技术领域的一种仿生氮化硅陶瓷材料及其制备方法,该种仿生氮化硅陶瓷材料的原料包括:β氮化硅晶须晶种;α氮化硅颗粒粉末;分散剂;粘结剂;塑化剂;溶剂,所述β氮化硅晶须直径为10~1000nm,长径比为4:1~100:1,所述α氮化硅颗粒粒径为0.01~10微米,氮化硅原料中β氮化硅晶须晶种占比5~50wt%,该种仿生氮化硅陶瓷材料及其制备方法,该方法以晶须定向增强薄膜为基元,提高基元的强度,薄层层叠形成陶瓷的氮化硅陶瓷材料,通过仿生人骨结构,溅射助剂形成梯度助剂,保证层状结构的形成,形成层状结构后,提高氮化硅陶瓷的强度和韧性。
Bionic silicon nitride ceramic material and preparation method thereof
一种仿生氮化硅陶瓷材料及其制备方法
LIN ZHIJIE (author) / SUN XUDONG (author) / ZENG YIMING (author) / ZHAO RUINING (author) / YANG HONGWEI (author) / CHEN JIALIN (author) / DAI PINQIANG (author) / TIAN JUN (author) / CHANG FA (author) / HONG CHUNFU (author)
2020-09-04
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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