A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-bending-strength ceramic powder and preparation method thereof
The invention relates to the technical field of high-performance ceramic powder, in particular to high-bending-strength ceramic powder and a preparation method thereof.The preparation method comprises the following steps that S1, ceramic raw materials are subjected to ball milling; s2, drying the raw materials subjected to ball milling in the step S1, and then crushing and sieving; 3, pre-sintering the powder sieved in the step 2; s4, doping the pre-sintered powder, and then carrying out secondary ball milling; s5, drying the powder subjected to ball milling in the step S4, and then crushing and sieving; and S6, grinding and granulating the powder sieved in the step S5, performing compression molding, and sintering to obtain the microwave dielectric ceramic. The bending strength of the high-bending-strength ceramic powder can reach 885 MPa, and meanwhile, the fracture toughness of the high-bending-strength ceramic powder is 8.56 MPa.m < 1/2 >.
本发明涉及高性能陶瓷粉体技术领域，具体涉及一种高抗弯强度陶瓷粉体及其制备方法，包括如下步骤：S1.将陶瓷材料原料球磨；S2.将步骤S1球磨后的原料先烘干，然后粉碎过筛；3.将步骤S2过筛后的粉料进行预烧；S4.将预烧后的粉料掺杂后进行二次球磨；S5.将步骤S4球磨后的粉料烘干，然后粉碎过筛；S6.将步骤S5过筛后的粉料进行研磨造粒，再压制成型，烧结后制得微波介质陶瓷。本发明的高抗弯强度陶瓷粉体抗弯强度可以达到885MPa，同时断裂韧性8.56MPa·m1/2。
High-bending-strength ceramic powder and preparation method thereof
The invention relates to the technical field of high-performance ceramic powder, in particular to high-bending-strength ceramic powder and a preparation method thereof.The preparation method comprises the following steps that S1, ceramic raw materials are subjected to ball milling; s2, drying the raw materials subjected to ball milling in the step S1, and then crushing and sieving; 3, pre-sintering the powder sieved in the step 2; s4, doping the pre-sintered powder, and then carrying out secondary ball milling; s5, drying the powder subjected to ball milling in the step S4, and then crushing and sieving; and S6, grinding and granulating the powder sieved in the step S5, performing compression molding, and sintering to obtain the microwave dielectric ceramic. The bending strength of the high-bending-strength ceramic powder can reach 885 MPa, and meanwhile, the fracture toughness of the high-bending-strength ceramic powder is 8.56 MPa.m < 1/2 >.
本发明涉及高性能陶瓷粉体技术领域，具体涉及一种高抗弯强度陶瓷粉体及其制备方法，包括如下步骤：S1.将陶瓷材料原料球磨；S2.将步骤S1球磨后的原料先烘干，然后粉碎过筛；3.将步骤S2过筛后的粉料进行预烧；S4.将预烧后的粉料掺杂后进行二次球磨；S5.将步骤S4球磨后的粉料烘干，然后粉碎过筛；S6.将步骤S5过筛后的粉料进行研磨造粒，再压制成型，烧结后制得微波介质陶瓷。本发明的高抗弯强度陶瓷粉体抗弯强度可以达到885MPa，同时断裂韧性8.56MPa·m1/2。
High-bending-strength ceramic powder and preparation method thereof
一种高抗弯强度陶瓷粉体及其制备方法
LIU XIANBO (author) / LIU TONG (author) / LI YINCHUAN (author) / LI SHAOMIN (author) / WANG ZHENGSHANG (author) / CUI XUDONG (author)
2024-03-05
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
High-bending-strength carbon ceramic brake disc and preparation method thereof
| European Patent Office | 2024
Aluminum oxide ceramic with high bending strength and preparation method thereof
| European Patent Office | 2023
TiB2-based composite ceramic with high bending strength and preparation method thereof
| European Patent Office | 2024
High-strength zirconia ceramic powder composite material and preparation method thereof
| European Patent Office | 2022
High-bonding-strength ceramic tile dry powder interface agent and preparation method thereof
| European Patent Office | 2023