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Plasticizer discharging method for zirconium oxide pipe billet

A zirconia tube and glue removal technology, which is applied in the field of zirconia ceramics, can solve the problems of high brittleness and difficult processing of ceramic materials, and achieve the effect of reasonable design and suitable for promotion

Inactive Publication Date: 2017-05-10
ZHONGXIANG ZHONGYUAN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the common characteristics of high hardness and brittleness of ceramic materials, the processing of ceramic materials is more difficult.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A debinding method for zirconia tube embryos. The zirconia tube embryos containing plasticizers are sent into a debinding kiln, and the plasticizer is converted into The gas is discharged and then cooled naturally.

[0023] The concrete method of degumming comprises steps as follows:

[0024] Step 1: Heat the zirconia tube body from normal temperature to 100°C for 3 hours, and then perform 2 hours of heat preservation and debinding;

[0025] Step 2: Slowly heat the zirconia tube body obtained in step 1 for the second time to 150°C for 3 hours, and then conduct heat preservation and debinding for 2 hours;

[0026] Step 3: Slowly heat the zirconia tube body obtained in step 2 for the third time until 200°C, the heating time is 4 hours, and then carry out 3 hours of heat preservation and debinding;

[0027] Step 4: Slowly heat the zirconia tube body obtained in step 3 for the fourth time to 250°C for 4 hours, and then conduct heat preservation and debinding for 3 hours; ...

Embodiment 2

[0034] A debinding method for zirconia tube embryos. The zirconia tube embryos containing plasticizers are sent into a debinding kiln, and the plasticizer is converted into The gas is discharged and then cooled naturally.

[0035] The concrete method of degumming comprises steps as follows:

[0036] Step 1: Heat the zirconia tube body from room temperature to 100°C for 3.5 hours, and then perform 2.5 hours of heat preservation and debinding;

[0037] Step 2: Slowly heat the zirconia tube body obtained in step 1 for the second time to 150°C for 3.5 hours, and then conduct heat preservation and debinding for 2.5 hours;

[0038] Step 3: Slowly heat the zirconia tube body obtained in step 2 for the third time until 200°C, and the heating time is 4.5 hours, and then carry out heat preservation and debinding for 3.5 hours;

[0039] Step 4: Slowly heat the zirconia tube body obtained in step 3 for the fourth time to 250°C for a heating time of 4.5 hours, and then conduct heat prese...

Embodiment 3

[0046] A debinding method for zirconia tube embryos. The zirconia tube embryos containing plasticizers are sent into a debinding kiln, and the plasticizer is converted into The gas is discharged and then cooled naturally.

[0047] The concrete method of degumming comprises steps as follows:

[0048] Step 1: Heat the zirconia tube body from room temperature to 100°C for 4 hours, and then perform 3 hours of heat preservation and debinding;

[0049] Step 2: Slowly heat the zirconia tube body obtained in step 1 for the second time to 150°C for 4 hours, and then conduct heat preservation and debinding for 3 hours;

[0050] Step 3: Slowly heat the zirconia tube body obtained in step 2 for the third time until 200°C, the heating time is 5 hours, and then carry out heat preservation and debinding for 4 hours;

[0051] Step 4: Slowly heat the zirconia tube body obtained in step 3 for the fourth time to 250°C for 5 hours, and then conduct heat preservation and debinding for 4 hours;

...

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PUM

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Abstract

The invention relates to a plasticizer discharging method for a zirconium oxide pipe billet. The method comprises the following steps: feeding the zirconium oxide pipe billet containing a plasticizer into a plasticizer discharging furnace, converting the plasticizer into gas for discharging in level-by-level slow heating and heat-preservation plasticizer discharging links, and performing natural cooling. According to the method, the plasticizer in the zirconium oxide pipe billet is effectively removed by adopting a method of level-by-level heating and heat-preservation plasticizer discharging under the condition that the zirconium oxide pipe billet is uniformly heated, and then influence on own properties of the zirconium oxide pipe billet is eliminated by natural cooling means.

Description

technical field [0001] The invention relates to the field of zirconia ceramics, in particular to a debinding method for a zirconia tube blank. Background technique [0002] At present, with the development of new material technology, the production and performance of ceramics in the industry have put forward higher requirements. Due to the general characteristics of high hardness and brittleness of ceramic materials, it is difficult to process ceramic materials. Zirconium oxide ceramics add a certain proportion of plasticizers such as paraffin wax and polypropylene to the zirconium powder when the green body is formed, so these plasticizers need to be removed before sintering, otherwise it will cause serious damage to the products at the sintering place. Therefore, there is an urgent need for a method that can effectively remove the plasticizer in the zirconia tube blank. Contents of the invention [0003] Aiming at the current situation of the above-mentioned prior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/638C04B35/48
CPCC04B35/638C04B35/48
Inventor 杨明江杨德顺杨德帆宋道举
Owner ZHONGXIANG ZHONGYUAN ELECTRONICS
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