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A platform for research: civil engineering, architecture and urbanism
Machining process of cutter with graphene coating
The invention provides a machining process of a cutter with a graphene coating. The machining process comprises the steps of powder raw material pre-pressing forming, blade prototype stamping, low-temperature heat treatment, hot-pressing vibration sintering, primary sheet grinding, graphene solution preparation, atomization spraying, drying heat treatment, cooling and reheating treatment. The utter is cast by adopting a raw material combining zirconium oxide and rare earth oxide, so that the ceramic cutter is higher in strength and not easy to break; and a layer of graphene is sprayed on the surface of the cutter base body to serve as a lubricating layer, and the graphene is a quasi-two-dimensional material with the thickness of only one atomic layer. Graphene has excellent physical and mechanical properties, the breaking strength reaches 42 N/m<2>, and the tensile strength and the elastic modulus are 125 GPa and 1.1 TPa respectively. The heat conductivity can reach 5000W/(m.K) at room temperature. The pits and the grooves in the surface of the cutter base body are filled with the graphene coating, and the friction coefficient of the cutter is effectively reduced, so that the cutter is more resistant to abrasion in the cutting process, and the service life of the cutter is prolonged.
本发明提供一种具有石墨烯涂层的刀具的加工工艺，包括粉原料预压成型→刀片雏形冲压→低温热处理→热压振动烧结→打磨初片→石墨烯溶液配制→雾化喷涂→干燥热处理→冷却→再加热处理；本发明采用氧化锆和稀土氧化物结合的原料铸造，其陶瓷刀具的强度更高，不易断裂；其中，刀具基体表面喷涂出一层石墨烯作为润滑层，是一种只有一个原子层厚度的准二维材料。石墨烯具有优异的物理力学性能，断裂强度达到42N/m2，抗拉强度和弹性模量分别为125GPa和1.1TPa。热导率室温下可达5000W/(m·K)。通过石墨烯涂层填补了刀具基体表面上的凹坑及沟壑，有效降低刀具的摩擦系数，从而在刀具切削过程中更加耐磨，延长了刀具的使用寿命。
Machining process of cutter with graphene coating
The invention provides a machining process of a cutter with a graphene coating. The machining process comprises the steps of powder raw material pre-pressing forming, blade prototype stamping, low-temperature heat treatment, hot-pressing vibration sintering, primary sheet grinding, graphene solution preparation, atomization spraying, drying heat treatment, cooling and reheating treatment. The utter is cast by adopting a raw material combining zirconium oxide and rare earth oxide, so that the ceramic cutter is higher in strength and not easy to break; and a layer of graphene is sprayed on the surface of the cutter base body to serve as a lubricating layer, and the graphene is a quasi-two-dimensional material with the thickness of only one atomic layer. Graphene has excellent physical and mechanical properties, the breaking strength reaches 42 N/m<2>, and the tensile strength and the elastic modulus are 125 GPa and 1.1 TPa respectively. The heat conductivity can reach 5000W/(m.K) at room temperature. The pits and the grooves in the surface of the cutter base body are filled with the graphene coating, and the friction coefficient of the cutter is effectively reduced, so that the cutter is more resistant to abrasion in the cutting process, and the service life of the cutter is prolonged.
本发明提供一种具有石墨烯涂层的刀具的加工工艺，包括粉原料预压成型→刀片雏形冲压→低温热处理→热压振动烧结→打磨初片→石墨烯溶液配制→雾化喷涂→干燥热处理→冷却→再加热处理；本发明采用氧化锆和稀土氧化物结合的原料铸造，其陶瓷刀具的强度更高，不易断裂；其中，刀具基体表面喷涂出一层石墨烯作为润滑层，是一种只有一个原子层厚度的准二维材料。石墨烯具有优异的物理力学性能，断裂强度达到42N/m2，抗拉强度和弹性模量分别为125GPa和1.1TPa。热导率室温下可达5000W/(m·K)。通过石墨烯涂层填补了刀具基体表面上的凹坑及沟壑，有效降低刀具的摩擦系数，从而在刀具切削过程中更加耐磨，延长了刀具的使用寿命。
Machining process of cutter with graphene coating
一种具有石墨烯涂层的刀具的加工工艺
YANG DEHAO (author)
2021-04-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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