High temperature resistant protective coating for titanium and its application and production method of titanium ingot

A protective coating and high temperature resistant technology, applied in the coating and other directions, can solve problems such as less than ideal protection, and achieve the effects of increasing production costs and production time, saving production costs, and reducing the formation of dissolved oxygen layers.

Active Publication Date: 2016-02-03
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defect that the existing high-temperature-resistant protective coating for titanium is not ideal for the protection of titanium ingots, to provide a new high-temperature-resistant protective coating for titanium and its application and production method for titanium ingots

Method used

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  • High temperature resistant protective coating for titanium and its application and production method of titanium ingot
  • High temperature resistant protective coating for titanium and its application and production method of titanium ingot
  • High temperature resistant protective coating for titanium and its application and production method of titanium ingot

Examples

Experimental program
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Effect test

Embodiment 1

[0045] This example is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0046] (1) under normal temperature and pressure (25 ℃, 0.1MPa), take by weighing 100g of styrene-acrylic emulsion (solid content 50% by weight) and place it in a container;

[0047] (2) Weigh 800g of Al powder, 25g of Zn powder, 25g of Fe powder, 25g of Sn powder and 25g of Cu powder, and slowly add them into the container under stirring. When the amount of Al powder, Zn powder, Fe powder, Sn powder and Cu powder is added by half, Begin to slowly add 50g of water, and add Al powder, Zn powder, Fe powder, Sn powder, Cu powder and water together;

[0048] (3) Weigh 1g SiO 2 , add it to the container, and stir well;

[0049] (4) take by weighing 0.5g of polyvinyl alcohol (purchased from Qingdao Anmao International Trade Co., Ltd., Z-200) and add it to the container, stir, and treat the liquid as a unifo...

Embodiment 2

[0054] This example is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0055] (1) under normal temperature and pressure (25 ℃, 0.1MPa), take by weighing 54g of styrene-acrylic emulsion (solid content 40% by weight) and place it in a container;

[0056] (2) Weigh 758g of Al powder, 16g of Zn powder, 16g of Fe powder, 30g of Sn powder and 30g of Cu powder, and slowly add them to the container under stirring. When half of the amount of Al powder, Zn powder, Fe powder, Sn powder and Cu powder is added, Begin to slowly add 50g of water, and add Al powder, Zn powder, Fe powder, Sn powder, Cu powder and water together;

[0057] (3) Weigh 1.7g SiO 2 , add it to the container, and stir well;

[0058] (4) Weigh 0.68g of polyvinylpyrrolidone (purchased from Guangzhou Batai Chemical Co., Ltd., PVPK90) and add it to the container, stir, and treat the liquid as a uniform stable phase;...

Embodiment 3

[0063] This example is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0064] (1) under normal temperature and pressure (25 ℃, 0.1MPa), take by weighing 141g of styrene-acrylic emulsion (solid content 60% by weight) and place it in a container;

[0065] (2) Weigh 758g of Al powder, 30g of Zn powder, 30g of Fe powder, 16g of Sn powder and 16g of Cu powder, and slowly add them to the container under stirring. When the amount of Al powder, Zn powder, Fe powder, Sn powder and Cu powder is half added, Begin to slowly add 50g of water, and add Al powder, Zn powder, Fe powder, Sn powder, Cu powder and water together;

[0066] (3) Weigh 2.55g SiO 2 , add it to the container, and stir well;

[0067] (4) Weigh 0.85g of polyethylene oxide (purchased from Gongbeike New Material Technology (Shanghai) Co., Ltd., PEO-5) and add it into the container, stir, and treat the liquid as a uni...

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Abstract

The invention discloses a high temperature resistant protection paint used for titanium, and the paint is prepared by evenly mixing a raw material mixture, the raw material mixture contains an oxidation protective agent, a water soluble film-forming agent and water; the oxidation protective agent contains Al powder, Zn powder, Fe powder, Sn powder and Cu powder, the weight ratio of Al powder to Zn powder to Fe powder to Sn powder to Cu powder is 1:0.01-0.1:0.01-0.1:0.01-0.1:0.01-0.1. The invention also discloses the application of the high temperature resistant protection paint in titanium ingot production and a titanium ingot production method. The high temperature resistant protection paint can guarantee that titanium ingot surface does not be oxidized to crack at a constant high temperature of 1000 DEG C for 8h, can greatly reduce the formation of a dissolved oxygen layer, has the environmental protection function, and is simple in the preparation process, and a variety of coating methods can be used. The titanium ingot production method has broad popularization and application prospects in titanium plate and titanium tube production.

Description

technical field [0001] The invention relates to the field of metal high-temperature-resistant coatings, in particular to a high-temperature-resistant protective coating for titanium, the application of the high-temperature-resistant protective coating for titanium in the production of titanium ingots, and a production method for titanium ingots . Background technique [0002] Titanium ingots generally undergo annealing treatment during the production process. Annealing is generally carried out at a high temperature of about 900°C. At high temperatures, oxygen will enter the surface of the titanium ingot to form a hard dissolved oxygen layer. The titanium ingot is heated at 900°C for 4 hours. Deep cracks with a depth of about 20mm will appear on the above surface. In order to ensure the subsequent rolling of titanium tubes and the surface quality of hot-rolled titanium plates, it is necessary to cut and grind the titanium ingots during the rolling process to remove cracks an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/12C21D1/68
Inventor 许哲峰李军王莹彭琳肖聪
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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