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High-strength and high-reliability zirconia ceramic cutter material and preparation method thereof
The invention discloses a high-strength and high-reliability zirconia ceramic cutter material and a preparation method thereof, and relates to the technical field of ceramic cutters. The method comprises the following steps: ultrasonically stirring and mixing yttria-stabilized zirconia powder, a dispersing solvent and a dispersing agent to obtain a ceramic mixed solution, carrying out particle size grading on the yttria-stabilized zirconia powder by adopting a sedimentation method to obtain ceramic powder, and ensuring that the average particle size of the graded ceramic powder is 10-50nm, the minimum particle size of the graded ceramic powder is 5-10nm and the maximum particle size of the graded ceramic powder is 15-70nm; carrying out dry pressing on the ceramic powder, and carrying out cold isostatic pressing treatment to obtain a zirconia ceramic green body; sintering the zirconia ceramic green body to obtain a zirconia ceramic sintered body; and carrying out hot isostatic pressing treatment on the zirconia ceramic sintered body to obtain the zirconia ceramic cutter material. The zirconia ceramic cutter material with good bending strength and fracture toughness can be prepared, and the problems that an existing zirconia cutter is still prone to tipping, breaking and the like are solved.
本发明公开了一种高强度高可靠氧化锆陶瓷刀具材料及其制备方法，涉及陶瓷刀具技术领域。其中，方法包括：将氧化钇稳定氧化锆粉体、分散溶剂及分散剂超声搅拌混合得到陶瓷混合液，采用沉降法将氧化钇稳定氧化锆粉体进行粒径分级，得到陶瓷粉体，分级后的陶瓷粉体的平均粒径为10‑50nm，最小粒径为5‑10nm，最大粒径为15‑70nm；将所述陶瓷粉体干压成型后进行冷等静压处理得到氧化锆陶瓷坯体；将所述氧化锆陶瓷坯体烧结得到氧化锆陶瓷烧结体；将氧化锆陶瓷烧结体进行热等静压处理，得到氧化锆陶瓷刀具材料。本发明能够制备具有良好弯曲强度及断裂韧性的氧化锆陶瓷刀具材料，解决了目前氧化锆刀具仍容易出现易崩刃，折断等问题。
High-strength and high-reliability zirconia ceramic cutter material and preparation method thereof
The invention discloses a high-strength and high-reliability zirconia ceramic cutter material and a preparation method thereof, and relates to the technical field of ceramic cutters. The method comprises the following steps: ultrasonically stirring and mixing yttria-stabilized zirconia powder, a dispersing solvent and a dispersing agent to obtain a ceramic mixed solution, carrying out particle size grading on the yttria-stabilized zirconia powder by adopting a sedimentation method to obtain ceramic powder, and ensuring that the average particle size of the graded ceramic powder is 10-50nm, the minimum particle size of the graded ceramic powder is 5-10nm and the maximum particle size of the graded ceramic powder is 15-70nm; carrying out dry pressing on the ceramic powder, and carrying out cold isostatic pressing treatment to obtain a zirconia ceramic green body; sintering the zirconia ceramic green body to obtain a zirconia ceramic sintered body; and carrying out hot isostatic pressing treatment on the zirconia ceramic sintered body to obtain the zirconia ceramic cutter material. The zirconia ceramic cutter material with good bending strength and fracture toughness can be prepared, and the problems that an existing zirconia cutter is still prone to tipping, breaking and the like are solved.
本发明公开了一种高强度高可靠氧化锆陶瓷刀具材料及其制备方法，涉及陶瓷刀具技术领域。其中，方法包括：将氧化钇稳定氧化锆粉体、分散溶剂及分散剂超声搅拌混合得到陶瓷混合液，采用沉降法将氧化钇稳定氧化锆粉体进行粒径分级，得到陶瓷粉体，分级后的陶瓷粉体的平均粒径为10‑50nm，最小粒径为5‑10nm，最大粒径为15‑70nm；将所述陶瓷粉体干压成型后进行冷等静压处理得到氧化锆陶瓷坯体；将所述氧化锆陶瓷坯体烧结得到氧化锆陶瓷烧结体；将氧化锆陶瓷烧结体进行热等静压处理，得到氧化锆陶瓷刀具材料。本发明能够制备具有良好弯曲强度及断裂韧性的氧化锆陶瓷刀具材料，解决了目前氧化锆刀具仍容易出现易崩刃，折断等问题。
High-strength and high-reliability zirconia ceramic cutter material and preparation method thereof
一种高强度高可靠氧化锆陶瓷刀具材料及其制备方法
LI YEHUA (author) / JIANG ZHISHUI (author) / WEN LI (author) / CHEN JIE (author) / OU MING (author) / DONG JINJIE (author)
2023-10-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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