High-temperature resistant protective coating used for titanium, applications thereof and titanium ingot producing method

A protective coating and high temperature resistance technology, applied in the direction of coating, etc., can solve the problems of unsatisfactory protection of titanium ingots, achieve the effects of increasing production costs and production time, saving production costs, and reducing the formation of dissolved oxygen layers

Active Publication Date: 2014-11-26
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 protective coating 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 used for titanium, applications thereof and titanium ingot producing method
  • High-temperature resistant protective coating used for titanium, applications thereof and titanium ingot producing method
  • High-temperature resistant protective coating used for titanium, applications thereof and titanium ingot producing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] This embodiment is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0047] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 100g of oily epoxy resin (solid content 50% by weight) and place it in a container;

[0048] (2) Add 5g of polypropylene glycol diglycidyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 207), and stir evenly;

[0049] (3) Weigh 800g Al powder, 25g Zn powder, 25g Fe powder, 25g Sn powder and 25g Cu powder, and slowly add them into the container under stirring;

[0050] (4) Weigh 1g SiO 2 , add to the container, and stir evenly;

[0051] (5) Weigh 0.5 g of polyvinyl alcohol (purchased from Qingdao Anmao International Trade Co., Ltd., Z-200) into a container, stir, and wait until the liquid is in a uniform and stable phase to obtain high-temperature resistant protective coating A1 for titanium.

[0052]...

Embodiment 2

[0055] This embodiment is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0056] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 54g of oily epoxy resin (solid content 40% by weight) and place it in a container;

[0057] (2) Add 2.6g propylene oxide butyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 501), and stir evenly;

[0058] (3) Weigh 758g Al powder, 16g Zn powder, 16g Fe powder, 30g Sn powder and 30g Cu powder, and slowly add them into the container under stirring;

[0059] (4) Weigh 1.7g SiO2 2 , add to the container, and stir evenly;

[0060] (5) Weigh 0.68g of polyvinylpyrrolidone (purchased from Guangzhou Batai Chemical Co., Ltd., PVPK90) into a container, stir until the liquid is in a uniform and stable phase, and obtain the high-temperature resistant protective coating A2 for titanium.

[0061] The solid content...

Embodiment 3

[0064] This embodiment is used to illustrate the high temperature resistant protective coating for titanium and the production method of titanium ingot of the present invention.

[0065] (1) At normal temperature and pressure (25°C, 0.1MPa), weigh 141g of oily epoxy resin (solid content 60% by weight) and place it in a container;

[0066] (2) Add 6.8g of ethylene glycol diglycidyl ether (purchased from Changzhou Mingtai Chemical Technology Co., Ltd., model: 669), and stir evenly;

[0067] (3) Weigh 758g Al powder, 30g Zn powder, 30g Fe powder, 16g Sn powder and 16g Cu powder, and slowly add them into the container under stirring;

[0068] (4) Weigh 2.55g SiO2 2 , add to the container, and stir evenly;

[0069] (5) Weigh 0.85g of polyethylene oxide (purchased from Gongbike New Material Technology (Shanghai) Co., Ltd., PEO-5) into the container, stir, and wait until the liquid is in a uniform and stable phase to obtain high temperature protection for titanium. Paint A3.

[0...

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Abstract

High-temperature resistant protective coating used for titanium is disclosed. The coating is prepared by uniformly mixing a raw material mixture. The raw material mixture comprises an oxidation protective agent and an oily film forming agent. The oxidation protective agent comprises Al powder, Zn powder, Fe powder, Sn powder and Cu powder. The weight ratio of the Al powder, the Zn powder, the Fe powder, the Sn powder and the Cu powder is 1:0.01-0.1:0.01-0.1:0.01-0.1:0.01-0.1. Applications of the coating in titanium ingot production and a titanium ingot producing method are also disclosed. The coating can ensure that surfaces of titanium ingots are not oxidized or cracked after the titanium ingots are disposed at a constant high temperature of 1000 DEG C for 8 h, and largely reduce formation of oxygen dissolving layers. The coating is environmental friendly and simple in preparation process, and can adopt a plurality of coating manners. The titanium ingot producing method has a wide popularization and application prospect in production of titanium plates and titanium tubes.

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 Applications(China)
IPC IPC(8): C09D7/12C21D1/68
Inventor 许哲峰王莹彭琳肖聪李军
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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