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Water-based anti-high temperature oxidation protective coating and its application and production method of titanium ingot

A high-temperature oxidation-resistant and protective coating technology, applied in coatings and other directions, can solve problems such as unsatisfactory protection of titanium ingots, achieve the effects of increasing production costs and production time, reducing production costs, and improving production efficiency

Active Publication Date: 2015-09-30
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 water-based high-temperature oxidation-resistant protective coating is not ideal for the protection of titanium ingots, and to provide a new water-based high-temperature oxidation-resistant protective coating and its application and production method for titanium ingots

Method used

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  • Water-based anti-high temperature oxidation protective coating and its application and production method of titanium ingot
  • Water-based anti-high temperature oxidation protective coating and its application and production method of titanium ingot
  • Water-based anti-high temperature oxidation protective coating and its application and production method of titanium ingot

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Embodiment 1

[0045] This embodiment is used to illustrate the production method of the water-based high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

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

[0047] (2) Weigh 800g of Al powder, 30g of Sn powder, 20g of Cu powder and 25g of Fe powder, and slowly add them into the container under stirring. When half of the amount of Al powder, Sn powder, Cu powder and Fe powder is added, start slowly Add 50g of water, and finish adding Al powder, Sn powder, Cu powder, Fe powder and water together;

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

[0049] (4) Weigh 0.5g polyvinyl alcohol (purchased from Qingdao Anmao International Trade Co., Ltd., Z-200) into the container, stir until the liquid is in a uniform and stable phase;

[0050] (5) Weigh 1 g of carboxymethyl...

Embodiment 2

[0054] This embodiment is used to illustrate the production method of the water-based high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

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

[0056] (2) Weigh 800g of Al powder, 16g of Sn powder, 16g of Cu powder and 16g of Fe powder, and slowly add them into the container under stirring. Add 50g of water, and finish adding Al powder, Sn powder, Cu powder, Fe powder and water together;

[0057] (3) Weigh 1.7g SiO2 2 , add to the container, and stir evenly;

[0058] (4) Weigh 0.68g of polyvinylpyrrolidone (purchased from Guangzhou Batai Chemical Co., Ltd., PVPK90) into the container, stir until the liquid is in a uniform and stable phase;

[0059] (5) Weigh 3.4g of hydroxyethyl cellulose (purchased from Hebei Xingtai Cellulose Co., Ltd., YLT-999) into a container, stir e...

Embodiment 3

[0063] This embodiment is used to illustrate the production method of the water-based high-temperature oxidation-resistant protective coating and titanium ingot of the present invention.

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

[0065] (2) Weigh 767g of Al powder, 30g of Sn powder, 30g of Cu powder and 23g of Fe powder, and slowly add them into the container under stirring. Add 50g of water, and finish adding Al powder, Sn powder, Cu powder, Fe powder and water together;

[0066] (3) Weigh 2.55g SiO2 2 , add to the container, and stir evenly;

[0067] (4) Weigh 0.85g polyethylene oxide (purchased from Gongbike New Material Technology (Shanghai) Co., Ltd., PEO-5) into the container, stir until the liquid is in a uniform and stable phase;

[0068] (5) Weigh 5.1 g of hydroxypropyl methylcellulose (purchased from Hebei Xingtai Cellulose Co., Ltd., XTHPMC10) ...

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Abstract

The invention discloses aqueous high temperature oxidation resistant protective paint which is prepared by uniformly mixing a raw material mixture, wherein the raw material mixture contains an oxidation protecting agent, a water-soluble filming agent and water; the oxidation protecting agent contains Al powder, Sn powder, Cu powder and Fe powder at a weight ratio of 1:(0.01-0.1):(0.01-0.1):(0.01-0.1). The invention further discloses application of the aqueous high temperature oxidation resistant protective paint in titanium ingot production, and a production method of a titanium ingot. The aqueous high temperature oxidation resistant protective paint disclosed by the invention ensures that the surface of the titanium ingot is not oxidized or cracked at a constant high temperature of 1000 DEG C for 8 hours, can be used for greatly reducing formation of an oxygen dissolving layer, and has the effect of environmental friendliness; the preparation process is simple; a plurality of coating modes can be adopted. The production method of the titanium ingot is very wide in popularization and application prospect in titanium plates and titanium tube production.

Description

technical field [0001] The invention relates to the field of metal high-temperature-resistant coatings, in particular to a water-based high-temperature oxidation-resistant protective coating, the application of the water-based high-temperature oxidation-resistant protective coating 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 ...

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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