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Preparation method for zirconia ceramic bushing applied to optical fibers

A ceramic sleeve and zirconia technology, applied in the field of ceramic materials, can solve the problems of microscopic pores, long production cycle, residual stress, etc., and achieve the effects of high mechanical strength, excellent anti-aging performance and low price

Inactive Publication Date: 2018-12-18
NINGBO TOPTEK ADVANCED CERAMICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, injection molding feeds from one point, which leads to the uneven internal density of the injection molded green body, residual stress, and easy deformation of the product after sintering; there are microscopic pores, which are easy to become the source of cracks. The content of organic binder in the billet is high, usually requires a two-step degreasing process of solvent degreasing + thermal degreasing, and the production cycle is long

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing a zirconia optical fiber ceramic sleeve, comprising the following steps:

[0032] Step 1: Weigh magnesium nitrate, cerium nitrate, scandium nitrate, calcium nitrate, and lanthanum nitrate according to the mass ratio of 1:2:2:0.5:1, then add deionized water, mix evenly, and prepare 25% nitrate mixture.

[0033] Step 2: Add 10% citric acid solution to the mixed nitrate solution and stir evenly.

[0034] Step 3: Heat the mixture to 70°C, and at the same time, slowly add ammonia water with a concentration of 25% using a peristaltic pump, and keep stirring until a gel precipitates.

[0035] Step 4: Wash the obtained gel precipitate several times to remove excess residual water-soluble ions, and then dry it.

[0036] Step 5: select commercial grade 2Y partially stabilized zirconia powder with a particle size of 0.2um, add composite stabilizer xerogel and columnar nano-alumina toughening particles, add alcohol for ball milling and mixing. Among them, ...

Embodiment 2

[0049] Another method for preparing a zirconia optical fiber ceramic sleeve comprises the following steps:

[0050] Step 1: Weigh magnesium nitrate, cerium nitrate, scandium nitrate, calcium nitrate, and lanthanum nitrate according to the mass ratio of 1:2:2:0.5:1, then add deionized water, mix evenly, and prepare 25% nitrate mixture.

[0051] Step 2: Add 10% citric acid solution to the mixed nitrate solution and stir evenly.

[0052] Step 3: Heat the mixture to 70°C, and at the same time slowly add ammonia water with a concentration of 25% using a peristaltic pump, and keep stirring until gel precipitation is formed.

[0053] Step 4: Wash the obtained gel precipitate several times to remove excess residual water-soluble ions, and then dry it.

[0054] Step 5: select commercial grade 2Y partially stabilized zirconia powder with a particle size of 0.6um, add composite stabilizer xerogel, and columnar nano-alumina toughening particles, add alcohol for ball milling and mixing. ...

Embodiment 3

[0067] Another method for preparing a zirconia optical fiber ceramic sleeve comprises the following steps:

[0068] Step 1: Weigh magnesium nitrate, cerium nitrate, scandium nitrate, calcium nitrate, and lanthanum nitrate according to the mass ratio of 1:2:2:0.5:1, then add deionized water, mix evenly, and prepare 25% nitrate mixture.

[0069] Step 2: Add 10% citric acid solution to the mixed nitrate solution and stir evenly.

[0070] Step 3: Heat the mixture to 70°C, and at the same time slowly add ammonia water with a concentration of 25% using a peristaltic pump, and keep stirring until gel precipitation is formed.

[0071] Step 4: Wash the obtained gel precipitate several times to remove excess residual water-soluble ions, and then dry it.

[0072] Step 5: select commercial grade 2Y partially stabilized zirconia powder with a particle size of 0.4um, add composite stabilizer xerogel, and columnar nano-alumina toughening particles, add alcohol for ball milling and mixing. ...

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Abstract

The invention relates to a preparation method for a zirconia ceramic bushing applied to optical fibers. The preparation method is characterized by comprising the following steps: weighing magnesium nitrate, cerium nitrate, scandium nitrate, calcium nitrate and lanthanum nitrate according to a mass ratio of 1: 2: 2: 0.5: 1; then adding deionized water; and carrying out uniform mixing to prepare mixed nitrate solution with a concentration of 25%. The preparation method can prepare the zirconia ceramic bushing with low cost, high mechanical strength and excellent anti-aging properties.

Description

technical field [0001] The invention belongs to the technical field of ceramic materials, in particular to a method for preparing a zirconia optical fiber ceramic sleeve with high strength and excellent aging resistance. Background technique [0002] With the introduction of services such as IPTV, online video, and online games, people's demand for network bandwidth continues to grow rapidly. At the same time, as one of the measures to develop the economy, the governments of various countries pay more and more attention to the construction of information networks. Therefore, telecom operators, radio and television operators, public utilities and some local governments have all invested in the wave of fiber-to-the-home construction. The deployment of fiber-to-the-home requires a large number of optical fibers, optoelectronic devices, and transmission equipment. Therefore, fiber-to-the-home construction has a great demand for fiber optic adapters used in optical distribution ...

Claims

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Application Information

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IPC IPC(8): C04B35/48C04B35/624
CPCC04B35/48C04B35/624C04B2235/3217C04B2235/443C04B2235/77C04B2235/96
Inventor 杨辉罗杰锋龚晶晶
Owner NINGBO TOPTEK ADVANCED CERAMICS CO LTD
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