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Formula of high-strength electroceramic brown glaze

A high-strength, electric porcelain technology, applied in the field of electric porcelain, can solve the problems of poor mechanical, electrical, and thermal performance, achieve a reasonable thermal expansion coefficient, smooth and smooth glaze, and improve the effect of bending strength

Inactive Publication Date: 2013-12-25
CHONGQING PIGEON ELECTRIC PORCELAIN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a kind of high-strength brown glaze formula suitable for various electric porcelain blanks, aiming at the defects of poor mechanical, electrical and thermal performance effects after the electric porcelain is glazed in the above-mentioned prior art, in order to achieve the above-mentioned purpose, The present invention provides following technical scheme:

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The components and parts by weight ratio included in the present embodiment are:

[0013] Potassium feldspar 18

[0014] Quartz powder 25

[0015] Datong soil 8

[0016] Dongsheng soil 7

[0017] Wollastonite 9

[0018] Forged talc 1

[0019] reddish brown agent 8

[0020] High-strength billet 6

[0021] barium carbonate 1.

[0022] The reddish-brown agent is a mixture of iron oxide, manganese oxide and chromium oxide, wherein the content percentage of iron oxide is 25%, the content percentage of manganese oxide is 15%, and the content percentage of chromium oxide is 60%.

[0023] The brown glaze produced according to the composition of the present embodiment and the ratio of parts by weight, the performance of the electric porcelain after glazing is as follows:

[0024] Glazing bending strength 235MPa

[0025] Withstand voltage 35 KV / mm

[0026] Volume resistivity 10 14 Ω·cm

[0027] Resistance to sudden changes in cold and heat (temperature difference) 235...

Embodiment 2

[0030] The components and parts by weight ratio included in the present embodiment are:

[0031] Potassium feldspar 25

[0032] Quartz Powder 30

[0033] Datong soil 14

[0034] Dongsheng soil 12

[0035] Wollastonite 13

[0036] Forged talc 3

[0037] reddish brown agent 12

[0038] High strength billet 10

[0039] barium carbonate 3.

[0040] The reddish-brown agent is a mixture of iron oxide, manganese oxide and chromium oxide, wherein the content percentage of iron oxide is 25%, the content percentage of manganese oxide is 15%, and the content percentage of chromium oxide is 60%.

[0041] The brown glaze produced according to the composition of the present embodiment and the ratio of parts by weight, the performance of the electric porcelain after glazing is as follows:

[0042] Glazing bending strength 240MPa

[0043] Withstand voltage 38KV / mm

[0044] Volume resistivity 10 15 Ω·cm

[0045] Resistance to sudden changes in cold and heat (temperature difference)...

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Abstract

The invention discloses a formula of high-strength electroceramic brown glaze. The formula comprises the following components in parts by weight: 30 to 40 parts of potassium feldspar, 25 to 30 parts of silica flour, 8 to 14 parts of Datong soil, 7 to 12 parts of Dongsheng soil, 9 to 13 parts of grammite, 1 to 3 parts of forging talc, 8 to 12 parts of red brown agent, 6 to 10 parts of high-strength blank, and 1 to 3 parts of barium carbonate. The electroceramic brown glaze produced by the formula is suitable for various ceramic electroceramic blanks, and has the advantage of reasonable thermal expansion coefficient. A favorable interlayer is formed after the ceramic electroceramic blanks are glazed, thus the mechanical, electrical and heat characteristics of ceramic are greatly enhanced, the flexural strength of the ceramic is enhanced by more than 30%, and all the performance indexes of the electroceramic exceed the standards of strong aluminum ceramic C121b in GB8411.

Description

technical field [0001] The invention belongs to the technical field of electric porcelain, and in particular relates to a high-strength electric porcelain brown glaze. Background technique [0002] Mechanical strength has always been the most important performance pursued by the production of insulators, because when the insulator material has high strength, it can increase the utilization rate of the material and reduce the cost of the product under the same voltage level. The traditional brown glaze for electric porcelain, after glazing, is not effective in improving the mechanical, electrical and thermal properties of electric porcelain, especially the bending strength of porcelain cannot be greatly improved, and the chemical corrosion resistance and antifouling performance are not ideal. Contents of the invention [0003] The purpose of the present invention is to provide a kind of high-strength brown glaze formula suitable for various electric porcelain blanks, aiming...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B41/86
Inventor 陶轼
Owner CHONGQING PIGEON ELECTRIC PORCELAIN CO LTD