阅读说明：本技术 一种耐腐蚀铝合金门窗及其制备方法 (Corrosion-resistant aluminum alloy door and window and preparation method thereof ) 是由 陈世国 童雨 潘学香 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种耐腐蚀铝合金门窗及其制备方法,该制备方法包括以下步骤：将铝、锡粉、镍粉等依次投入到反应炉中,依次经过扒渣,保温静置,铸造,均匀化退火,挤压成型,热处理,浸泡,喷涂,将铝合金表面清洗干净后,涂刷一层涂料,控制涂料漆膜干燥后的厚度为80-100μm,在涂料,形成漆膜的表面继续涂刷另一层涂料；本发明所述的一种耐腐蚀铝合金门窗及其制备方法,通过熔化,扒渣,保温静置,铸造,均匀化退火,挤压成型,热处理,浸泡等工艺步骤能够显著提高铝合金门窗的防腐蚀性能以及铝合金韧性,可大大延长使用寿命,同时在铝合金门窗涂覆两层涂料,进一步提高了铝合金门窗的耐腐蚀性能。(The invention discloses a corrosion-resistant aluminum alloy door and window and a preparation method thereof, wherein the preparation method comprises the following steps: putting aluminum, tin powder, nickel powder and the like into a reaction furnace in sequence, removing slag, preserving heat, standing, casting, performing homogenizing annealing, performing extrusion forming, performing heat treatment, soaking and spraying, cleaning the surface of the aluminum alloy, brushing a layer of coating, controlling the thickness of the dried coating film to be 80-100 mu m, and continuously brushing another layer of coating on the surface of the formed coating film of the coating; according to the corrosion-resistant aluminum alloy door and window and the preparation method thereof, the corrosion resistance and the toughness of the aluminum alloy door and window can be remarkably improved through the process steps of melting, slagging-off, heat preservation and standing, casting, homogenizing annealing, extrusion forming, heat treatment, soaking and the like, the service life can be greatly prolonged, and meanwhile, the corrosion resistance of the aluminum alloy door and window is further improved by coating two layers of coatings on the aluminum alloy door and window.)

1. The utility model provides a corrosion-resistant al-alloy door & window which characterized in that: the corrosion-resistant aluminum alloy door and window is composed of the following materials in parts by weight: 80-95 parts of aluminum, 2-5 parts of hydroxyethyl cellulose, 6-13 parts of a stabilizer, 5-12 parts of an ultraviolet absorber, 2-9 parts of an antioxidant, 2-6 parts of a composite lubricant, 2-5 parts of titanium powder, 2-5 parts of zinc powder, 3-6 parts of calcium powder, 1-3 parts of cobalt powder, 0.2-0.8 part of tin powder, 0.5-1.5 parts of nickel powder, 0.4-0.9 part of zirconium powder, 0.6-0.8 part of iron powder and 0.6-0.8 part of rare earth elements.

2. The method for preparing a corrosion-resistant aluminum alloy door and window according to claim 1, characterized in that: the preparation method comprises the following steps:

the method comprises the following steps: sequentially putting aluminum, tin powder, nickel powder and the like into a reaction furnace, and sequentially carrying out slag skimming, heat preservation and standing, casting, homogenizing and annealing, extrusion forming, heat treatment and soaking;

step two: and (2) spraying, namely cleaning the surface of the aluminum alloy, brushing a layer of coating, controlling the thickness of the dried coating film to be 80-100 mu m, continuously brushing another layer of coating on the surface of the formed coating film of the coating, controlling the thickness of the dried coating film of the other layer of coating to be 160-190 mu m, and finally processing the treated aluminum alloy into the door and window.

3. The method for preparing a corrosion-resistant aluminum alloy door and window according to claim 2, characterized in that: vacuumizing the reaction furnace to 1 x 10 < -3 > Pa, introducing argon into the furnace to ensure that the air pressure in the furnace reaches 32-45Pa, and heating the furnace to 760-780 ℃ to melt aluminum, tin powder, nickel powder and the like.

4. The method for preparing a corrosion-resistant aluminum alloy door and window according to claim 2, characterized in that: removing slag and impurities in the aluminum solution by using a slag remover at the temperature of 700-720 ℃, and cleaning dross and surface oxides on the surface of the aluminum solution.

5. The method for preparing a corrosion-resistant aluminum alloy door and window according to claim 2, characterized in that: the degassing temperature of the high-temperature vacuum degassing treatment is 570 ℃, the temperature rising speed is 30-50 ℃/h, the vacuum degree is below 0.55Pa, and the degassing time is not more than 30 h.

Technical Field

The invention belongs to the field of door and window processing, and particularly relates to a corrosion-resistant aluminum alloy door and window and a preparation method thereof.

Background

The door and window is divided into an enclosure member or a partition member according to different positions, the door and window respectively has the functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like according to different design requirements, the new requirement is energy-saving, and the heat lost by the gap between the door and the window in a cold area accounts for about 25 percent of the total heating heat consumption. The requirement of the tightness of the door and window is an important content in the energy-saving design. Doors and windows are important components of building envelope systems. The second function is: the door and the window are important components of the building shape (the virtual-real contrast and the rhythm artistic effect play an important role), so the shape, the size, the proportion, the arrangement, the color, the shape and the like of the door and the window have great influence on the whole shape of the building;

the traditional aluminum alloy door and window is complex in processing flow, and workpieces are easy to corrode after being used for a long time.

Disclosure of Invention

The invention mainly aims to provide a corrosion-resistant aluminum alloy door and window and a preparation method thereof, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the corrosion-resistant aluminum alloy door and window is composed of the following materials in parts by weight: 80-95 parts of aluminum, 2-5 parts of hydroxyethyl cellulose, 6-13 parts of a stabilizer, 5-12 parts of an ultraviolet absorber, 2-9 parts of an antioxidant, 2-6 parts of a composite lubricant, 2-5 parts of titanium powder, 2-5 parts of zinc powder, 3-6 parts of calcium powder, 1-3 parts of cobalt powder, 0.2-0.8 part of tin powder, 0.5-1.5 parts of nickel powder, 0.4-0.9 part of zirconium powder, 0.6-0.8 part of iron powder and 0.6-0.8 part of rare earth elements.

A preparation method of a corrosion-resistant aluminum alloy door and window comprises the following steps:

the method comprises the following steps: sequentially putting aluminum, tin powder, nickel powder and the like into a reaction furnace, and sequentially carrying out slag skimming, heat preservation and standing, casting, homogenizing and annealing, extrusion forming, heat treatment and soaking;

step two: and (2) spraying, namely cleaning the surface of the aluminum alloy, brushing a layer of coating, controlling the thickness of the dried coating film to be 80-100 mu m, continuously brushing another layer of coating on the surface of the formed coating film of the coating, controlling the thickness of the dried coating film of the other layer of coating to be 160-190 mu m, and finally processing the treated aluminum alloy into the door and window.

Preferably, the reaction furnace is vacuumized to 1X 10-3Pa, argon is introduced into the furnace to ensure that the pressure in the furnace reaches 32-45Pa, and the temperature in the furnace is heated to 760-780 ℃ to melt aluminum, tin powder, nickel powder and the like.

Preferably, the slag and impurities in the aluminum solution are removed by a slag remover at the temperature of 700-720 ℃, and the scum and surface oxides on the surface of the aluminum solution are cleaned.

Preferably, the degassing temperature of the high-temperature vacuum degassing treatment is 570 ℃, the temperature rising speed is 30-50 ℃/h, the vacuum degree is less than 0.55Pa, and the degassing time is not more than 30 h.

Compared with the prior art, the invention has the following beneficial effects: according to the corrosion-resistant aluminum alloy door and window and the preparation method thereof, the corrosion resistance and the toughness of the aluminum alloy door and window can be remarkably improved through the process steps of melting, slagging off, heat preservation and standing, casting, homogenizing annealing, extrusion forming, heat treatment, soaking and the like, the service life can be greatly prolonged, and meanwhile, the corrosion resistance of the aluminum alloy door and window is further improved by coating two layers of coating on the aluminum alloy door and window.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The corrosion-resistant aluminum alloy door and window is composed of the following materials in parts by weight: 80-95 parts of aluminum, 2-5 parts of hydroxyethyl cellulose, 6-13 parts of a stabilizer, 5-12 parts of an ultraviolet absorber, 2-9 parts of an antioxidant, 2-6 parts of a composite lubricant, 2-5 parts of titanium powder, 2-5 parts of zinc powder, 3-6 parts of calcium powder, 1-3 parts of cobalt powder, 0.2-0.8 part of tin powder, 0.5-1.5 parts of nickel powder, 0.4-0.9 part of zirconium powder, 0.6-0.8 part of iron powder and 0.6-0.8 part of rare earth elements.

A preparation method of a corrosion-resistant aluminum alloy door and window comprises the following steps:

the method comprises the following steps: sequentially putting aluminum, tin powder, nickel powder and the like into a reaction furnace, and sequentially carrying out slag skimming, heat preservation and standing, casting, homogenizing and annealing, extrusion forming, heat treatment and soaking;

step two: and (2) spraying, namely cleaning the surface of the aluminum alloy, brushing a layer of coating, controlling the thickness of the dried coating film to be 80-100 mu m, continuously brushing another layer of coating on the surface of the formed coating film of the coating, controlling the thickness of the dried coating film of the other layer of coating to be 160-190 mu m, and finally processing the treated aluminum alloy into the door and window.

Vacuumizing the reaction furnace to 1 x 10 < -3 > Pa, introducing argon into the furnace to ensure that the air pressure in the furnace reaches 32-45Pa, and heating the furnace to 760-780 ℃ to melt aluminum, tin powder, nickel powder and the like.

Removing slag and impurities in the aluminum solution by using a slag remover at the temperature of 700-720 ℃, and cleaning dross and surface oxides on the surface of the aluminum solution.

The degassing temperature of the high-temperature vacuum degassing treatment is 570 ℃, the temperature rising speed is 30-50 ℃/h, the vacuum degree is below 0.55Pa, and the degassing time is not more than 30 h.