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Ceramic cutter material and preparation method therefor
The invention discloses a ceramic cutter material and a preparation method therefor. The ceramic cutter material contains the materials in percentage by weight: 25-30wt.% of micron-scale Si3N4, 4-5wt.% of nano-scale Si3N4, 47-52wt.% of micron-scale TiC, 3-4wt.% of nano-scale SiC, 1-2wt.% of antibacterial material and the balance of sintering aids. According to the ceramic cutter material and the preparation method therefor, after nano-scale granules are added into micron-scale powder, both strength and hardness are greatly improved, the bending strength reaches 1,000MPa or more, the fracture toughness exceeds 8.7MPa.m<1/2>, and the Vickers hardness exceeds 19.6GPa.
Ceramic cutter material and preparation method therefor
The invention discloses a ceramic cutter material and a preparation method therefor. The ceramic cutter material contains the materials in percentage by weight: 25-30wt.% of micron-scale Si3N4, 4-5wt.% of nano-scale Si3N4, 47-52wt.% of micron-scale TiC, 3-4wt.% of nano-scale SiC, 1-2wt.% of antibacterial material and the balance of sintering aids. According to the ceramic cutter material and the preparation method therefor, after nano-scale granules are added into micron-scale powder, both strength and hardness are greatly improved, the bending strength reaches 1,000MPa or more, the fracture toughness exceeds 8.7MPa.m<1/2>, and the Vickers hardness exceeds 19.6GPa.
Ceramic cutter material and preparation method therefor
WANG LIGUANG (author) / WANG WEIBANG (author)
2016-01-13
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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