Nano zirconium oxide composite material for injection molding, and preparation method and application thereof

Abstract

The invention belongs to the technical field of zirconium oxide ceramic composite materials for injection molding, and particularly relates to a nano zirconium oxide composite material for injection molding, and a preparation method and application thereof. According to the preparation method of the nano zirconium oxide composite material for injection molding, the injection molding performance of the powder is improved through a unique binder formula, the specific proportion of a binder to the powder and the process conditions, so that the flowability is good when the powder and the binder are mixed, the viscosity of the prepared composite material is 200-500 Pa.s, during low-temperature cooling, a blank is stable in plasticity, the mechanical property meets the standard, and injection molding of a ceramic product with a complex shape structure can be achieved; and a ceramic product prepared from the nano zirconium oxide composite material has good dimensional stability, compressive strength and bending strength, the defective rate is low, and the problems of poor dimensional stability and structural cracking of a zirconium oxide ceramic product are solved.

Description

technical field [0001] The invention belongs to the technical field of injection molding zirconia ceramic composite materials, and in particular relates to a nano zirconia composite material for injection molding, a preparation method and application thereof. Background technique [0002] With the deepening of application development, the application of ceramic materials has gradually penetrated into various high-tech fields, and the requirements for the dimensional accuracy of ceramic products are getting higher and higher, and the shapes are becoming more and more complex. The injection molding process satisfies this requirement well. It has the characteristics of one-time molding of complex shape products, high dimensional accuracy of products, no need for mechanical processing or only micro processing, easy to realize production automation and excellent product performance, which makes up for the shortcomings of traditional ceramic products. [0003] Zirconia ceramic ma...

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Problems solved by technology

[0006] In order to solve the problem of poor dimensional stability and structural cracking of zirconia ceramic products in the prior art, the present invention provides a nano-zirconia composite material for injection molding And its preparation method and application, through the unique binder formula and strict process conditions, the injection molding performance of zirconia powder is improved, thus ensuring good dimensional stability and high mechanical strength of ceramic products

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