阅读说明：本技术 一种铝合金门窗型材的制备方法 (Preparation method of aluminum alloy door and window profile ) 是由 蒋红大 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种铝合金门窗型材的制备方法,包括下列组分：10-15重量份的Fe；3-5重量份的的Cu,20-25重量份的Al,0.5-2重量份的％的Ti,0.5-2的Zn,0.1-0.5重量份的％的稀土元素；0.1-0.5重量份的C；在800-900℃,按比例将各原料炼,搅拌均匀后,经精炼、除渣、除气,在600-700℃静置保温1h后,在铸机中进行铸条,将铸条导入轧机,导入轧机的温度为500～550℃,导出温度为350～420℃,热轧过程中予以加热,获得型材模架。(The invention discloses a preparation method of an aluminum alloy door and window profile, which comprises the following components: 10-15 parts by weight of Fe; 3-5 parts of Cu, 20-25 parts of Al, 0.5-2 parts of% Ti, 0.5-2 parts of Zn and 0.1-0.5 part of% rare earth elements; 0.1-0.5 parts by weight of C; the method comprises the steps of refining raw materials in proportion at the temperature of 800-.)

1. A preparation method of an aluminum alloy door and window profile is characterized by comprising the following steps: comprises the following components:

10-15 parts by weight of Fe; 3-5 parts of Cu, 20-25 parts of Al, 0.5-2 parts of% Ti, 0.5-2 parts of Zn and 0.1-0.5 part of% rare earth elements; 0.1-0.5 parts by weight of C; the method comprises the steps of refining raw materials in proportion at the temperature of 800-.

2. The method for producing an aluminum alloy door and window profile according to claim 1, characterized in that: the rare earth elements at least comprise one or more of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.

3. The method for producing an aluminum alloy door and window profile according to claim 1, characterized in that: respectively carrying out oil removal, alkali etching and anodic oxidation treatment on the obtained section mould frame

Oil removal: dipping the aluminum alloy matrix in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 15-20 ℃ for 3-5 minutes, taking out, and washing with water;

alkaline etching: dipping the aluminum alloy matrix treated in the step (1) in a sodium hydroxide solution with the temperature of 35-45 ℃ and the concentration of 30-50g/L for 3-5 minutes, taking out, and washing with water;

neutralizing: dipping the aluminum alloy matrix treated in the step (2) in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 18-25 ℃ for 1-3 minutes, taking out, and washing with water;

anodic oxidation: anodizing the aluminum alloy matrix treated in the step (3) in electrolyte, wherein the aluminum alloy is used as an anode, an aluminum plate is used as a cathode, the oxidation voltage is 15-20V, the current density is 1-2A/dm2, the temperature of the electrolyte is 15-20 ℃, and the oxidation time is 20-40 minutes; (5) hole sealing: and (3) dipping the aluminum alloy matrix treated in the step (4) in hole sealing liquid at 85-95 ℃ for 15-30 minutes, taking out, draining the surface moisture, and drying at 80-90 ℃ for 2-4 hours to obtain the corrosion-resistant aluminum alloy section.

Technical Field

The invention relates to a preparation method of an aluminum alloy door and window profile.

Background

The aluminum alloy window is a window with a frame and sash structure made of aluminum alloy building profiles, and is divided into a common aluminum alloy door window and a broken bridge aluminum alloy door window. The aluminum alloy window has the advantages of attractive appearance, sealing and high strength, is widely applied to the field of constructional engineering, and in home decoration, the balcony is sealed by the aluminum alloy window in common use, and the surface of the aluminum alloy is oxidized, smooth and shiny. The window sash frame is large, glass with a large area can be embedded, indoor light is sufficient and bright, the virtual-real contrast of vertical surfaces between the indoor space and the outdoor space is enhanced, and a room is rich in layers. Aluminum alloy is easy to extrude, the cross section of the section bar is accurate in size, and machining accuracy is high, so that aluminum alloy doors and windows are selected by many owners in decoration, and performance research of the aluminum alloy is a problem to be continuously solved by technicians in the field.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the preparation method of the aluminum alloy door and window profile with reasonable structural design.

The technical scheme adopted by the invention for solving the problems is as follows: a preparation method of an aluminum alloy door and window profile comprises the following components:

10-15 parts by weight of Fe; 3-5 parts of Cu, 20-25 parts of Al, 0.5-2 parts of% Ti, 0.5-2 parts of Zn and 0.1-0.5 part of% rare earth elements; 0.1-0.5 parts by weight of C; the method comprises the steps of refining raw materials in proportion at the temperature of 800-.

Preferably, the method comprises the following steps: the rare earth elements at least comprise one or more of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.

Preferably, the method comprises the following steps: respectively carrying out oil removal, alkali etching and anodic oxidation treatment on the obtained section mould frame

Oil removal: dipping the aluminum alloy matrix in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 15-20 ℃ for 3-5 minutes, taking out, and washing with water;

alkaline etching: dipping the aluminum alloy matrix treated in the step (1) in a sodium hydroxide solution with the temperature of 35-45 ℃ and the concentration of 30-50g/L for 3-5 minutes, taking out, and washing with water;

neutralizing: dipping the aluminum alloy matrix treated in the step (2) in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 18-25 ℃ for 1-3 minutes, taking out, and washing with water;

anodic oxidation: anodizing the aluminum alloy matrix treated in the step (3) in electrolyte, wherein the aluminum alloy is used as an anode, an aluminum plate is used as a cathode, the oxidation voltage is 15-20V, the current density is 1-2A/dm2, the temperature of the electrolyte is 15-20 ℃, and the oxidation time is 20-40 minutes; (5) hole sealing: and (3) dipping the aluminum alloy matrix treated in the step (4) in hole sealing liquid at 85-95 ℃ for 15-30 minutes, taking out, draining the surface moisture, and drying at 80-90 ℃ for 2-4 hours to obtain the corrosion-resistant aluminum alloy section.

Compared with the prior art, the invention has the following advantages and effects: the section formed by the invention has high rigidity and strength and smooth surface, is convenient for coating, has good microhardness, wear resistance and corrosion resistance of the obtained corrosion-resistant aluminum alloy section, and is beneficial to ensuring the service life of aluminum alloy doors and windows.

Detailed Description

The present invention is further illustrated by the following examples, which are illustrative of the present invention and are not to be construed as being limited thereto.

The preparation method of the aluminum alloy door and window profile comprises the following components:

10-15 parts by weight of Fe; 3-5 parts of Cu, 20-25 parts of Al, 0.5-2 parts of% Ti, 0.5-2 parts of Zn and 0.1-0.5 part of% rare earth elements; 0.1-0.5 parts by weight of C; the method comprises the steps of refining raw materials in proportion at the temperature of 800-.

Preferably, the method comprises the following steps: the rare earth elements at least comprise one or more of La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er and Tm.

Preferably, the method comprises the following steps: respectively carrying out oil removal, alkali etching and anodic oxidation treatment on the obtained section mould frame

Oil removal: dipping the aluminum alloy matrix in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 15-20 ℃ for 3-5 minutes, taking out, and washing with water;

alkaline etching: dipping the aluminum alloy matrix treated in the step (1) in a sodium hydroxide solution with the temperature of 35-45 ℃ and the concentration of 30-50g/L for 3-5 minutes, taking out, and washing with water;

neutralizing: dipping the aluminum alloy matrix treated in the step (2) in a sulfuric acid solution with the concentration of 150-180g/L at the temperature of 18-25 ℃ for 1-3 minutes, taking out, and washing with water;

anodic oxidation: anodizing the aluminum alloy matrix treated in the step (3) in electrolyte, wherein the aluminum alloy is used as an anode, an aluminum plate is used as a cathode, the oxidation voltage is 15-20V, the current density is 1-2A/dm2, the temperature of the electrolyte is 15-20 ℃, and the oxidation time is 20-40 minutes; (5) hole sealing: and (3) dipping the aluminum alloy matrix treated in the step (4) in hole sealing liquid at 85-95 ℃ for 15-30 minutes, taking out, draining the surface moisture, and drying at 80-90 ℃ for 2-4 hours to obtain the corrosion-resistant aluminum alloy section.

The section formed by the invention has high rigidity and strength and smooth surface, is convenient for coating, has good microhardness, wear resistance and corrosion resistance of the obtained corrosion-resistant aluminum alloy section, and is beneficial to ensuring the service life of aluminum alloy doors and windows.

The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.