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Zirconia ceramic center bar and preparation method thereof

A zirconia ceramic and zirconia technology, applied in the field of zirconia ceramic center rod and its preparation, can solve the problems of easy expansion, short service life, easy to rust, etc.

Active Publication Date: 2014-07-02
永州明睿陶瓷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional stainless steel center rod is easy to deform and expand under high temperature environment, the traditional stainless steel surface layer is easy to rust, the service life is short, and maintenance is inconvenient
In addition, the traditional copper center rod is easy to deform and the price is high; the traditional aluminum center rod is easy to deform and has poor heat dissipation performance
In addition, the traditional metal center rod production process is complicated, the production efficiency is low, and the economic benefit is poor

Method used

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  • Zirconia ceramic center bar and preparation method thereof
  • Zirconia ceramic center bar and preparation method thereof
  • Zirconia ceramic center bar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A zirconia ceramic center rod of the present invention comprises the following raw materials in mass percentage:

[0050] Zirconia 80%

[0051] Magnesium Oxide 10%

[0052] Ytterbium Oxide 10%.

[0053] The zirconia in this embodiment is a mixture of cubic zirconia and nano zirconia at a mass ratio of 3:1.

[0054] A method for preparing a zirconia ceramic center rod, comprising the following processing steps:

[0055] Step A. Accurately weigh the raw materials according to the formula quantity and mix them uniformly for later use;

[0056] Step B. Put the uniformly mixed raw materials in step A into the mold using the combination of the vibration motor and the mold, so that the raw materials fill the mold, and the raw materials are tightly combined, and the opening of the mold is closed;

[0057] Step C. Insert the mold into the metal tube, then put the metal tube into the isostatic hydraulic press, and use the isostatic hydraulic press to compact the raw materials...

Embodiment 2

[0065] A zirconia ceramic center rod of the present invention comprises the following raw materials in mass percentage:

[0066] Zirconia 85%

[0067] Magnesium Oxide 10%

[0068] Ytterbium Oxide 5%.

[0069] The zirconia in this embodiment is a mixture of cubic zirconia and nano zirconia in a mass ratio of 3:2.

[0070] A method for preparing a zirconia ceramic center rod, comprising the following processing steps:

[0071] Step A. Accurately weigh the raw materials according to the formula quantity and mix them uniformly for later use;

[0072] Step B. Put the uniformly mixed raw materials in step A into the mold using the combination of the vibration motor and the mold, so that the raw materials fill the mold, and the raw materials are tightly combined, and the opening of the mold is closed;

[0073] Step C. Insert the mold into the metal tube, then put the metal tube into the isostatic hydraulic press, and use the isostatic hydraulic press to compact the raw materials ...

Embodiment 3

[0081] A zirconia ceramic center rod of the present invention comprises the following raw materials in mass percentage:

[0082] Zirconia 90%

[0083] Magnesium Oxide 5%

[0084] Ytterbium Oxide 5%.

[0085] The zirconia in this embodiment is a mixture of cubic zirconia and nano zirconia at a mass ratio of 4:1.

[0086] A method for preparing a zirconia ceramic center rod, comprising the following processing steps:

[0087] Step A. Accurately weigh the raw materials according to the formula quantity and mix them uniformly for later use;

[0088] Step B. Put the uniformly mixed raw materials in step A into the mold using the combination of the vibration motor and the mold, so that the raw materials fill the mold, and the raw materials are tightly combined, and the opening of the mold is closed;

[0089] Step C. Insert the mold into the metal tube, then put the metal tube into the isostatic hydraulic press, and use the isostatic hydraulic press to compact the raw materials i...

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Abstract

The invention relates to a zirconia ceramic center bar and a preparation method thereof. The preparation method comprises the following processing steps of: weighing raw materials according to a formula amount and uniformly mixing the raw materials; putting the raw materials into a mold so that the mold is filled with the raw materials; sealing an opening of the mold; inserting the mold into a metal pipe, putting in an isostatic oil press and compression-molding the raw materials in the mold with the isostatic oil press; taking the mold out of the isostatic oil press and putting the mold on an alumina hollow ball brick; then putting the alumina hollow ball brick placed with the mold into an oven for prebaking for 3-4 hours at the temperature of 70-80 DEG C; taking a zirconia bar from the mold and sinter-molding the zirconia bar, wherein the sintering temperature is 1450-1480 DEG C and the sintering time lasts for 35-45 hours; putting the zirconia bar into a centerless grinding machine for processing and molding to obtain a finished product. The center bar has no deformation, no expansion, long service life and good heat dispersion; the preparation method of the zirconia ceramic center bar is simple in process and high in production efficiency.

Description

technical field [0001] The invention relates to the technical field of heat dissipation equipment, in particular to a zirconia ceramic center rod and a preparation method thereof. Background technique [0002] Metal center rods are a type of rods used for heat dissipation. Traditional center rods include copper center rods, aluminum center rods and stainless steel center rods. The traditional stainless steel center rod is easy to deform and expand under high temperature environment, and the traditional stainless steel surface layer is easy to rust, with short service life and inconvenient maintenance. In addition, the traditional copper center rod is easy to deform and the price is high; the traditional aluminum center rod is easy to deform and has poor heat dissipation performance. In addition, the production process of the traditional metal center rod is complicated, the production efficiency is low, and the economic benefit is poor. Contents of the invention [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/622
Inventor 邓承溪
Owner 永州明睿陶瓷科技有限公司
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