Capillary ceramic body as well as manufacturing method and application thereof

A capillary, ceramic body technology, applied in the field of ceramic materials, can solve the problems of unsatisfactory wear resistance, short service life, blocking wear resistance, etc., and achieve long service life, improved wear resistance and strength, and improved machining accuracy. Effect

Active Publication Date: 2016-07-27
合肥商德应用材料有限公司
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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide a capillary ceramic body and its preparation method to solve the technical problems of low strength and unsatisfactory wear resistance of the existing capillary ceramic bo

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  • Capillary ceramic body as well as manufacturing method and application thereof

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preparation example Construction

[0033] In one embodiment, the preparation method of the capillary ceramic body of the embodiment of the present invention includes the following steps:

[0034] Step S01: According to the above-mentioned components contained in the capillary ceramic body of the embodiment of the present invention, the raw materials of each component are weighed in proportion, and the raw materials of each component are mixed to obtain a ceramic mixed powder;

[0035] Step S02: mixing the organic monomer, cross-linking agent and dispersant with water to obtain a pre-mixed liquid, and then adding the ceramic mixed powder into the pre-mixed liquid for mixing treatment to prepare a ceramic slurry;

[0036] Step S03: adding an initiator and a catalyst to the ceramic slurry, forming and drying to obtain a green body;

[0037] Step S04: Sintering the green body in a vacuum protective atmosphere, and then performing hot isostatic pressing to obtain a capillary ceramic body.

[0038] Specifically, in ...

Embodiment 1

[0074] Embodiment 1 provides a capillary ceramic body and a preparation method thereof. The capillary ceramic body contains the following components in mass percentage:

[0075] 75.5% alumina powder, 24% nano zirconia, 0.5% submicron ceramic powder.

[0076] The preparation method of the capillary ceramic body is as follows:

[0077] (1): According to the components contained in the capillary ceramic body in this embodiment 1, weigh alumina powder, nano-zirconia and submicron ceramic powder according to the proportion, and mix the corresponding raw materials to obtain a ceramic mixed powder;

[0078] (2): Fully mix the organic monomer, cross-linking agent and dispersant with water to obtain the pre-preparation solution, and adjust the pH value of the pre-preparation solution to 9-10, and then mix the ceramic mixed powder obtained in the above step (1) Add it into the pre-mixed liquid for mixing, and ball mill at a speed of 150 rpm for 15-20 hours to obtain a ceramic slurry. ...

Embodiment 2

[0084] Embodiment 2 provides a capillary ceramic body and a preparation method thereof. The capillary ceramic body contains the following components in mass percentage:

[0085] 70% alumina powder, 27% nano zirconia, 3% submicron ceramic powder.

[0086] The preparation method of the capillary ceramic body is as follows:

[0087] (1): According to the components contained in the capillary ceramic body in Example 2, weigh alumina powder, nano-zirconia and submicron ceramic powder according to the proportion, and mix the corresponding raw materials to obtain a ceramic mixed powder;

[0088] (2): Fully mix the organic monomer, cross-linking agent and dispersant with water to obtain the pre-preparation solution, and adjust the pH value of the pre-preparation solution to 9-10, and then mix the ceramic mixed powder obtained in the above step (1) Add it into the pre-preparation solution for mixing, and ball mill at a speed of 200 rpm for 15-20 hours to obtain a ceramic slurry. Whe...

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Abstract

The invention discloses a capillary ceramic body as well as a manufacturing method and an application thereof. The capillary ceramic body comprises the following components in percentage by mass: 65%-75% of aluminum oxide (Al2O3), 20%-30% of nano-zirconia and 0.5%-5% of submicron ceramic powder. The capillary ceramic body has excellent toughness and high strength, durability, accuracy and surface smoothness. According to the preparation method, high surface smoothness and related mechanical properties of the prepared capillary ceramic body can be ensured; and stable and compact dimension of the prepared capillary ceramic body can be ensured.

Description

technical field [0001] The invention belongs to the technical field of ceramic materials, and in particular relates to a capillary ceramic body, a manufacturing method thereof and an application thereof. Background technique [0002] Alumina ceramics have the characteristics of high strength, high hardness (Mohs hardness up to 9), wear resistance, corrosion resistance, high temperature resistance, good thermal conductivity, high insulation, low dielectric loss, and stable electrical properties. It can be made into integrated circuit substrates, cutting tools, acid and alkali resistant parts, artificial bones, abrasive materials, advanced refractory materials and phosphor carriers, etc., and is widely used in electronics, machinery, chemicals, medicine, optoelectronics, aerospace and other industries. [0003] Due to its high temperature resistance and good thermal conductivity, alumina ceramics are used in semiconductor electronic packaging wire bonding tools, such as alumin...

Claims

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Application Information

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IPC IPC(8): C04B35/10
CPCC04B35/10C04B2235/3244C04B2235/5445C04B2235/5454C04B2235/6022C04B2235/658
Inventor 向绍斌向其军谭毅成
Owner 合肥商德应用材料有限公司
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