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A surface treatment method used for titanium molecule fission of a titanium product

A surface treatment and product technology, applied in the field of surface treatment of titanium molecular fission of titanium products, can solve the problems of obvious polishing lines and welding lines, easy sticky hand lines, uneven sandblasting, etc., achieve smooth and beautiful surface, and improve overall performance , the effect of uniform color

Active Publication Date: 2018-06-29
东莞市润钛五金科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Usually, after titanium products are made, the surface needs to be treated, but after the traditional surface treatment method, the surface has the following disadvantages: there are obvious polishing lines and welding lines, and it is easy to stick to the hand lines after sandblasting. Uniformity leads to non-uniform color, color difference, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] This embodiment provides a surface treatment method for titanium molecular fission of titanium products, including the following steps:

[0019] (1) Polish titanium products to remove oil stains;

[0020] (2) Put the polished titanium product into a vacuum heat treatment furnace and keep a negative pressure of 8Pa;

[0021] (3) Raise the temperature in the vacuum heat treatment furnace to 100°C, and keep the temperature constant for 1 hour; then lower it from the high temperature of 1000°C to 100°C, add air, keep the temperature for 0.5 hour, and start the furnace;

[0022] (4) The titanium product is cooled by feeding liquid gas.

[0023] In step (4) of this embodiment, the liquid gas is liquid nitrogen.

[0024] In the step (3), the time required for the temperature to rise to 1000° C. is 1 h.

[0025] In the step (3), the time required for the temperature to drop from 1000° C. to 100° C. is 20 minutes.

Embodiment 2

[0027] This embodiment provides a surface treatment method for titanium molecular fission of titanium products, including the following steps:

[0028] (1) Polish titanium products to remove oil stains;

[0029] (2) Put the polished titanium product into a vacuum heat treatment furnace and keep a negative pressure of 10Pa;

[0030] (3) Raise the temperature in the vacuum heat treatment furnace to 1500°C, and keep the temperature constant for 5 hours; then lower it from the high temperature of 1500°C to 500°C, add air, keep the temperature for 4 hours, and start the furnace;

[0031] (4) The titanium product is cooled by feeding liquid gas.

[0032] In step (4) of this embodiment, the liquid gas is liquid nitrogen.

[0033] In the step (3), the time required for the temperature to rise to 1500° C. is 4 hours.

[0034] In the step (3), the time required for the temperature to drop from 1500° C. to 500° C. is 60 minutes.

Embodiment 3

[0036] This embodiment provides a surface treatment method for titanium molecular fission of titanium products, including the following steps:

[0037] (1) Polish titanium products to remove oil stains;

[0038] (2) Put the polished titanium product into a vacuum heat treatment furnace and keep a negative pressure of 9Pa;

[0039] (3) Raise the temperature in the vacuum heat treatment furnace to 1250°C, and keep the temperature constant for 3 hours; then lower it from the high temperature of 1250°C to 300°C, add air, keep the temperature for 2.5 hours, and start the furnace;

[0040] (4) The titanium product is cooled by feeding liquid gas.

[0041] In step (4) of this embodiment, the liquid gas is liquid nitrogen.

[0042] In the step (3), the time required for the temperature to rise to 1250° C. is 1-4 hours.

[0043] In the step (3), the time required for the temperature to drop from 1250° C. to 300° C. is 40 minutes.

[0044] In the surface treatment method for titaniu...

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Abstract

A surface treatment method used for titanium molecule fission of a titanium product is disclosed. The method includes (1) a step of polishing the titanium product and removing oil stains; (2) a step of putting the polished titanium product into a vacuum heat treatment furnace and maintaining a negative pressure of 8-10 Pa; and (3) a step of raising the temperature in the vacuum heat treatment furnace to 1000-1500 DEG C, maintaining the temperature for 1-5 h, then decreasing the high temperature in a range of 1000-1500 DEG C to 100-500 DEG C, feeding air into the furnace, maintaining the temperature for 0.5-4 h and opening the furnace. According to the method, impurities in the titanium product are removed through high temperature so that environment protection environments are met and application safety is high. After treatment, polishing lines and welding lines are absent, hand lines are not attached to the product, product scratches, dropping breakage, and the like are prevented, color is unified and free of color differences, surfaces are flat, smooth and beautiful, surface hardness of the titanium product is increased, and the overall performance of the product is improved.

Description

technical field [0001] The invention relates to a surface treatment technology, in particular to a surface treatment method for titanium molecular fission of titanium products. Background technique [0002] Usually, after titanium products are made, the surface needs to be treated, but after the traditional surface treatment method, the surface has the following disadvantages: there are obvious polishing lines and welding lines, and it is easy to stick to the hand lines after sandblasting. Uniformity leads to non-uniform color, color difference and so on. Contents of the invention [0003] In view of the above deficiencies, the purpose of the present invention is to provide a surface treatment method for titanium molecular fission of titanium products, which can remove impurities in titanium products through high temperature, meet environmental protection requirements, and have high safety in use; at the same time, there is no polishing pattern and The phenomenon of weldi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/18C21D1/773
CPCC21D1/773C22F1/183
Inventor 潘伟祥
Owner 东莞市润钛五金科技有限公司
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