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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Conductive WC/beta-SiAlON composite ceramic cutting tool material with high mechanical property and preparation method of conductive WC/beta-SiAlON composite ceramic cutting tool material
The invention discloses a conductive WC/beta-SiAlON composite ceramic cutter material with high mechanical property and a preparation method thereof, and belongs to the technical field of ceramic material preparation. The conductive WC/beta-SiAlON composite ceramic cutter material with the high mechanical property is prepared from the following raw materials in percentage by volume: 70 to 80 percent of beta-SiAlON ceramic powder and 20 to 30 percent of WC powder. The WC/beta-SiAlON composite ceramic cutter material disclosed by the invention has good conductivity and relatively high mechanical property, the resistivity of the WC/beta-SiAlON composite ceramic cutter material can be reduced to 0.64 omega.m, the Vickers hardness of the WC/beta-SiAlON composite ceramic cutter material can reach 17.23 +/-0.29 GPa, the fracture toughness of the WC/beta-SiAlON composite ceramic cutter material can reach 7.09 +/-0.14 MPa.m < 1/2 >, and compared with pure beta-SiAlON ceramic without adding a second phase, the resistivity of the WC/beta-SiAlON composite ceramic cutter material is reduced by about 1010 times, the Vickers hardness of the WC/beta-SiAlON composite ceramic cutter material is improved by 4.68%, and the fracture toughness of the WC/beta-
本发明公开了一种高力学性能导电WC/β‑SiAlON复合陶瓷刀具材料及其制备方法，属于陶瓷材料制备技术领域。本发明的高力学性能导电WC/β‑SiAlON复合陶瓷刀具材料，以体积百分比计，原料包括：β‑SiAlON陶瓷粉末70～80％和WC粉末20～30％。本发明的WC/β‑SiAlON复合陶瓷刀具材料具有良好的导电性以及较高的力学性能，其电阻率可以降低至0.64Ω·m，维氏硬度可达17.23±0.29GPa，断裂韧性可达7.09±0.14MPa·m1/2，与不加第二相的纯β‑SiAlON陶瓷相比，电阻率下降了约1010倍，维氏硬度提高了4.68％，断裂韧性提高了4.11％。
Conductive WC/beta-SiAlON composite ceramic cutting tool material with high mechanical property and preparation method of conductive WC/beta-SiAlON composite ceramic cutting tool material
The invention discloses a conductive WC/beta-SiAlON composite ceramic cutter material with high mechanical property and a preparation method thereof, and belongs to the technical field of ceramic material preparation. The conductive WC/beta-SiAlON composite ceramic cutter material with the high mechanical property is prepared from the following raw materials in percentage by volume: 70 to 80 percent of beta-SiAlON ceramic powder and 20 to 30 percent of WC powder. The WC/beta-SiAlON composite ceramic cutter material disclosed by the invention has good conductivity and relatively high mechanical property, the resistivity of the WC/beta-SiAlON composite ceramic cutter material can be reduced to 0.64 omega.m, the Vickers hardness of the WC/beta-SiAlON composite ceramic cutter material can reach 17.23 +/-0.29 GPa, the fracture toughness of the WC/beta-SiAlON composite ceramic cutter material can reach 7.09 +/-0.14 MPa.m < 1/2 >, and compared with pure beta-SiAlON ceramic without adding a second phase, the resistivity of the WC/beta-SiAlON composite ceramic cutter material is reduced by about 1010 times, the Vickers hardness of the WC/beta-SiAlON composite ceramic cutter material is improved by 4.68%, and the fracture toughness of the WC/beta-
本发明公开了一种高力学性能导电WC/β‑SiAlON复合陶瓷刀具材料及其制备方法，属于陶瓷材料制备技术领域。本发明的高力学性能导电WC/β‑SiAlON复合陶瓷刀具材料，以体积百分比计，原料包括：β‑SiAlON陶瓷粉末70～80％和WC粉末20～30％。本发明的WC/β‑SiAlON复合陶瓷刀具材料具有良好的导电性以及较高的力学性能，其电阻率可以降低至0.64Ω·m，维氏硬度可达17.23±0.29GPa，断裂韧性可达7.09±0.14MPa·m1/2，与不加第二相的纯β‑SiAlON陶瓷相比，电阻率下降了约1010倍，维氏硬度提高了4.68％，断裂韧性提高了4.11％。
Conductive WC/beta-SiAlON composite ceramic cutting tool material with high mechanical property and preparation method of conductive WC/beta-SiAlON composite ceramic cutting tool material
一种高力学性能导电WC/β-SiAlON复合陶瓷刀具材料及其制备方法
YIN ZENGBIN (Autor:in) / LIU QIN (Autor:in) / YUAN JUNTANG (Autor:in)
22.11.2024
Patent
Elektronische Ressource
Chinesisch
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