Manufacturing method of titanium plate comprising composite layer

A technology of composite layer and titanium plate, which is applied in the field of metal surface treatment, can solve problems such as darkening and local water marks, indentations, pits, and the surface is not smooth enough, and achieves the effect that the preparation method is simple and feasible

Inactive Publication Date: 2017-03-22
大连圣洁热处理科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to meet the special needs of various application fields, the treatment process for the surface of titanium plates is also very different; the quality of titanium plates produced by different processes is also different, some surfaces are not smooth enough, and there are also slight darkening and local water marks on the surf

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0017] Example 1

[0018] (1) Weigh 25wt% Al of the raw material separately 2 O 3 , 10wt% TiO 2 wt%, balance Cr 2 O 3 ; Ball milling after mixing; Ball milling conditions are as follows: ball milling speed is 400r / min, alternating forward and reverse ball milling for 5 hours; obtain ceramic coating mixed raw materials;

[0019] (2) Surface treatment of the titanium plate, removing all attachments on the outer surface, removing oil, water, dust and other impurities. After sandblasting treatment; abrasive size is 50-100 mesh, compressed air pressure is 4bar, spraying distance is 90mm, spraying time is 25 seconds;

[0020] Spraying ceramic coating mixed raw materials on the outer surface of the titanium plate, the weight of the mixed raw materials per unit area on the titanium plate is 300g / m 2 ;

[0021] (3) Electrochemical polishing is performed on the surface of the metal plate, and the electrolyte contains 10% sulfuric acid. The electrochemical polishing time is 200s, the voltage is...

Example Embodiment

[0024] Example 2

[0025] Titanium plate on the surface of the composite layer.

[0026] (1) Weigh the raw materials separately; the preferred composition of the ceramic coating mixed raw materials is: 30 to 35wt% Al 2 O 3 , 20~25wt% TiO 2 wt%, balance Cr 2 O 3 ;

[0027] After the raw materials are mixed, the ball milling; the ball milling conditions are as follows: the ball milling speed is 800r / min, and the ball milling is alternating forward and reverse for 5 hours; the coating particles are refined and the particle size is uniform.

[0028] (2) Surface treatment of the titanium plate, the outer surface is sandblasted; the size of the abrasive is 50-100 mesh, the compressed air pressure is 5bar, the spray distance is 60mm, and the spray time is 15 seconds;

[0029] Electrochemical polishing is performed on the surface of the metal plate, and the electrolyte contains 10% sulfuric acid. The electrochemical polishing time is 200s, the voltage is 5V, and the current density is 0.5A / cm ...

Example Embodiment

[0033] Example 3

[0034] (1) Weigh 35wt% Al of the raw material separately 2 O 3 , 25wt% TiO 2 wt%, balance Cr 2 O 3 ; Ball milling after mixing; the ball milling conditions are as follows: ball milling speed is 800r / min, alternating forward and reverse ball milling for 5 hours to achieve the effect of refining coating particles and uniform particle size; obtaining ceramic coating mixed raw materials;

[0035] (2) Surface treatment of the titanium plate, the outer surface is sandblasted; the size of the abrasive is 50-100 mesh, the compressed air pressure is 4bar, the spray distance is 70mm, and the spray time is 15 seconds;

[0036] Electrochemical polishing is performed on the surface of the metal plate, and the electrolyte contains 10% sulfuric acid. The electrochemical polishing time is 150s, the voltage is 8V, and the current density is 0.65A / cm 2 ;

[0037] (3) Spray ceramic coating mixed raw materials on the outer surface of the titanium plate, and the weight of the mixed raw ...

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PUM

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Abstract

The invention discloses a manufacturing method of a titanium plate comprising a special composite layer surface. The manufacturing method comprises the following steps: separately weighing raw materials including 25wt% to 35wt% of Al2O3, 10wt% to 25wt% of TiO2 and the balance Cr2O3; carrying out ball milling after mixing to obtain a ceramic coating mixed raw material; and spraying the ceramic coating mixed raw material on the outer surface of a titanium plate after surface treatment of the titanium plate, wherein the weight of the mixed raw material on unit area of the titanium plate is 130 g/m<2> to 400 g/m<2>. The titanium plate comprising the composite layer surface, manufactured by the method disclosed by the invention, can effectively prevent oxidization in air when in use so that the titanium plate inside the composite layer surface is protected from oxidization. The manufacturing method is simple, convenient, feasible and widely applicable to various technical fields.

Description

technical field [0001] The invention belongs to the technical field of metal surface treatment, and in particular relates to a preparation method of a titanium plate with a special composite layer surface. Background technique [0002] Titanium is an inert metal, and its reserves in the earth's crust are very rich. It ranks fourth after iron, aluminum, and magnesium, and is more than ten times more than the sum of the commonly used metals copper, nickel, lead, and zinc. The ores used to produce titanium in industry include rutile, ilmenite and titanomagnetite. Due to the difficulty of separation and extraction, titanium metal with industrial significance was not produced until the 1940s. Therefore, titanium is generally called a rare light metal. [0003] Titanium and titanium alloy products are used in more and more products. Different products in different fields require different titanium and titanium alloy products. People process them into plates, rods, tubes, strips,...

Claims

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Application Information

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IPC IPC(8): C23C24/04C25F3/26C04B35/12C04B35/622
CPCC23C24/04C04B35/12C04B35/62222C04B2235/3217C04B2235/3232C25F3/26
Inventor 赵震刚田绍洁李恩鸿
Owner 大连圣洁热处理科技发展有限公司
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