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Ceramic chopper material and preparation method thereof

A technology of ceramics and riving knives, which is applied in the field of ceramic riving knife materials and its preparation, which can solve the problems of low hardness, large material porosity, and low density, and achieve excellent wear resistance, good toughness, and small average particle size.

Active Publication Date: 2017-08-01
CHAOZHOU THREE CIRCLE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the ceramic rivet made of ZTA material has relatively small hardness, relatively low density, and large material porosity. When copper is used as a welding wire, due to the relatively high hardness of copper, a large ultrasonic wave is required during welding. Energy, while the end face of the riving knife will be subjected to a large shear stress during welding, and the crystal particles will easily fall off, which will increase the degree of wear on the end face of the riving knife, thereby shortening its service life

Method used

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  • Ceramic chopper material and preparation method thereof

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Embodiment 1

[0036] An embodiment of the ceramic rivet material of the present invention, the ceramic rivet material described in this embodiment comprises the following components in weight percentage:

[0037] Base ceramics 65%, auxiliary ceramics 30%, additives 5%;

[0038] Among them, the base ceramic is aluminum oxide, the auxiliary ceramic is chromium oxide, the binder in the additive is polyvinyl chloride, the plasticizer is dioctyl ester, and the dispersant is lecithin.

[0039] The preparation method of the ceramic capillary material described in the present embodiment comprises the following steps:

[0040] (1) Stir after mixing the salt solution of the matrix ceramic metal with the complexing agent to obtain the matrix ceramic complex solution;

[0041] (2) Add a strong alkali solution to the mixture solution obtained in step (1), stir to obtain the matrix ceramic precursor and wash after precipitation;

[0042] (3) Precipitation of the matrix ceramic precursor after the dryin...

Embodiment 2

[0048] An embodiment of the ceramic rivet material of the present invention, the ceramic rivet material described in this embodiment comprises the following components in weight percentage:

[0049] Base ceramics 92.99%, auxiliary ceramics 0.1%, additives 6.91%;

[0050] Among them, the base ceramic is alumina, the auxiliary ceramic is iron oxide, the binder in the additive is polyvinyl butyral, the plasticizer is dioctyl ester, and the dispersant is a phosphoric acid ester dispersant.

[0051] The preparation method of the ceramic capillary material described in the present embodiment comprises the following steps:

[0052] (1) Stir after mixing the salt solution of the matrix ceramic metal with the complexing agent to obtain the matrix ceramic complex solution;

[0053] (2) Add a strong alkali solution to the mixture solution obtained in step (1), stir to obtain the matrix ceramic precursor and wash after precipitation;

[0054](3) Precipitation of the matrix ceramic precu...

Embodiment 3

[0060] An embodiment of the ceramic rivet material of the present invention, the ceramic rivet material described in this embodiment comprises the following components in weight percentage:

[0061] Base ceramics 89.9%, auxiliary ceramics 10%, additives 0.1%;

[0062] Among them, the base ceramic is a mixture of alumina and zirconia, the mass ratio of alumina and zirconia is 5:1, the auxiliary ceramic is erbium oxide, the binder in the additive is polyvinyl chloride, and the plasticizer is dioctyl ester. The dispersant is lecithin.

[0063] The preparation method of the ceramic capillary material described in the present embodiment comprises the following steps:

[0064] (1) Stir after mixing the salt solution of the matrix ceramic metal with the complexing agent to obtain the matrix ceramic complex solution;

[0065] (2) Add a strong alkali solution to the mixture solution obtained in step (1), stir to obtain the matrix ceramic precursor and wash after precipitation;

[00...

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Abstract

The invention discloses a ceramic chopper material. The ceramic chopper material is prepared from the following components by weight percent: 65-92.99% of matrix ceramics, 0.1-30% of auxiliary ceramics, and 0.1-30% of additive. The matrix ceramics is at least one of aluminum oxide and zirconium oxide. The auxiliary ceramics is at least one of zirconium oxide, chromium oxide, erbium oxide, niobium pentoxide, zinc oxide, iron oxide, titanium oxide, calcium oxide, magnesium oxide, silicon carbide, strontia oxide, barium oxide, silicon nitride, and tungsten carbide. The invention further discloses a ceramic chopper made of the ceramic chopper material. The invention further discloses a preparation method of the ceramic chopper material. The ceramic formed by the ceramic chopper material prepared by the method has high hardness, high density, small average particle size, good toughness, and excellent wear resistance, and the crystalline particles are difficult to drop in use. The preparation method of the ceramic chopper material is simple, and can be used for industrial mass production.

Description

technical field [0001] The invention relates to a ceramic rivet material and a preparation method thereof, in particular to a ceramic rivet material for welding and a preparation method thereof. Background technique [0002] The existing rivet materials used for welding are generally ZTA material zirconia toughened alumina ceramics, and zirconia is doped in alumina to make the microstructure of the material uniform and dense. The rivet made of this material Has good chemical corrosion resistance and wear resistance. [0003] However, the ceramic rivet made of ZTA material has relatively small hardness, relatively low density, and large material porosity. When copper is used as a welding wire, due to the relatively high hardness of copper, a large ultrasonic wave is required during welding. Energy, while the end face of the riving knife will be subjected to a large shear stress during welding, and the crystal particles will easily fall off, which will increase the degree of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/488C04B35/626
CPCC04B35/10C04B35/481C04B35/488C04B35/4885C04B35/62695C04B2235/3206C04B2235/3208C04B2235/3213C04B2235/3215C04B2235/3224C04B2235/3232C04B2235/3241C04B2235/3244C04B2235/3251C04B2235/3272C04B2235/3284C04B2235/3826C04B2235/3847C04B2235/3873C04B2235/443C04B2235/444C04B2235/448C04B2235/95C04B2235/96
Inventor 邱基华童文欣
Owner CHAOZHOU THREE CIRCLE GRP
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