阅读说明：本技术 一种空气净化器用抗菌铝型材 (Antibacterial aluminum profile for air purifier ) 是由 唐开健 王超 李�亨 贡玉楼 于 2019-11-19 设计创作，主要内容包括：本发明公开了一种空气净化器用抗菌铝型材,包括以下重量百分比的成分：Mg 0.52-0.56％,Si 0.4-0.45％,Cu 0.6-0.64％,Ag 0.3-0.35％,Li 0.18-0.24％,Ce 0.15-0.2％,Zn 0.12-0.16％,Mn 0.1-0.15％,Cr 0.06-0.1％,余量为Al。本发明的空气净化器用抗菌铝型材兼具优良的机械性能和抗菌性能,在保证型材强韧性的前提下,有助于提高空气净化效果,广泛适用于家庭、商业、工业等各个领域。(The invention discloses an antibacterial aluminum profile for an air purifier, which comprises the following components in percentage by weight: 0.52 to 0.56 percent of Mg, 0.4 to 0.45 percent of Si, 0.6 to 0.64 percent of Cu, 0.3 to 0.35 percent of Ag, 0.18 to 0.24 percent of Li, 0.15 to 0.2 percent of Ce, 0.12 to 0.16 percent of Zn, 0.1 to 0.15 percent of Mn, 0.06 to 0.1 percent of Cr and the balance of Al. The antibacterial aluminum profile for the air purifier has excellent mechanical property and antibacterial property, is favorable for improving the air purification effect on the premise of ensuring the toughness of the profile, and is widely applied to various fields of families, businesses, industries and the like.)

1. An antibacterial aluminum profile for an air purifier is characterized by comprising the following components in percentage by weight:

0.52 to 0.56 percent of Mg, 0.4 to 0.45 percent of Si, 0.6 to 0.64 percent of Cu, 1 to 1.5 percent of Ag, 0.18 to 0.24 percent of Li, 0.15 to 0.2 percent of Ce0.12 to 0.16 percent of Zn, 0.1 to 0.15 percent of Mn, 0.06 to 0.1 percent of Cr and the balance of Al.

2. The antibacterial aluminum profile for the air purifier as claimed in claim 1, is characterized by comprising the following components in percentage by weight:

0.54% of Mg, 0.42% of Si, 0.62% of Cu, 1.2% of Ag, 0.2% of Li, 0.18% of Ce, 0.15% of Zn, 0.12% of Mn0, 0.08% of Cr and the balance of Al.

3. The antibacterial aluminum profile for the air purifier as claimed in claim 1 or 2, which is characterized in that the preparation method comprises the following steps:

s1, preparing materials according to the components, casting to form a cast ingot, and then carrying out homogenization annealing treatment;

s2, carrying out extrusion forming on the cast ingot processed in the step S1 through an extrusion die to obtain a profile blank;

and S3, carrying out solid solution and artificial aging treatment on the section blank processed in the step S2 to obtain the finished product.

4. The antibacterial aluminum profile for the air purifier as claimed in claim 3, wherein in the step S1, the specific steps of the homogenizing annealing treatment are as follows: after the temperature is kept at 540-.

5. The antibacterial aluminum profile for air purifiers as claimed in claim 3 or 4, wherein the extrusion temperature in the extrusion molding process of step S2 is 475-.

6. The antibacterial aluminum profile for the air purifier as claimed in any one of claims 3 to 5, wherein in the step S3, the solution treatment comprises the following specific steps: keeping the temperature at 466-472 ℃ for 1.5-2h, and then cooling to room temperature by water.

7. The antibacterial aluminum profile for the air purifier as claimed in any one of claims 3 to 6, wherein in the step S3, the specific steps of the artificial aging treatment are as follows: firstly, the temperature is maintained at 110 ℃ for 20-30h under the temperature of 105-.

Technical Field

The invention relates to the technical field of aluminum alloy materials, in particular to an antibacterial aluminum profile for an air purifier.

Background

The air purifier is a product capable of adsorbing, decomposing or converting various air pollutants, effectively improving the air cleanliness, providing clean and safe air for users, and is widely applied to various fields of families, businesses, industries and the like. With the advancement of technology, the performance requirements for air purifiers are also gradually increasing. Aluminum profiles have many excellent properties as main production materials of air cleaners, but studies on antibacterial properties thereof are insufficient. At present, although there are some aluminum alloy products with antibacterial property, how to develop an aluminum profile for air cleaner with excellent antibacterial effect and toughness is still a problem to be solved at present.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides an antibacterial aluminum profile for an air purifier, which has excellent mechanical property and antibacterial property and is widely applied to various fields of families, businesses, industries and the like.

The invention provides an antibacterial aluminum profile for an air purifier, which comprises the following components in percentage by weight:

0.52 to 0.56 percent of Mg, 0.4 to 0.45 percent of Si, 0.6 to 0.64 percent of Cu, 1 to 1.5 percent of Ag, 0.18 to 0.24 percent of Li, 0.15 to 0.2 percent of Ce, 0.12 to 0.16 percent of Zn, 0.1 to 0.15 percent of Mn, 0.06 to 0.1 percent of Cr and the balance of Al.

Preferably, the antibacterial aluminum profile for the air purifier comprises the following components in percentage by weight:

0.54% of Mg, 0.42% of Si, 0.62% of Cu, 1.2% of Ag, 0.2% of Li, 0.18% of Ce, 0.15% of Zn, 0.12% of Mn, 0.08% of Cr and the balance of Al.

Preferably, the preparation method of the antibacterial aluminum profile for the air purifier is as follows:

s1, preparing materials according to the components, casting to form a cast ingot, and then carrying out homogenization annealing treatment;

s2, carrying out extrusion forming on the cast ingot processed in the step S1 through an extrusion die to obtain a profile blank;

and S3, carrying out solid solution and artificial aging treatment on the section blank processed in the step S2 to obtain the finished product.

Preferably, in step S1, the homogenizing annealing process includes the specific steps of: after the temperature is kept at 540-.

Preferably, the extrusion temperature during the extrusion molding process of the step S2 is 475-490 ℃.

Preferably, in step S3, the specific conditions of the solution treatment are as follows: keeping the temperature at 466-472 ℃ for 1.5-2h, and then cooling to room temperature by water.

Preferably, in step S3, the artificial aging process includes the following specific steps: firstly, the temperature is maintained at 110 ℃ for 20-30h under the temperature of 105-.

The invention has the following beneficial effects:

in the raw materials, Ag is used as an antibacterial main element, and Zn and Cu play an auxiliary role, so that an excellent antibacterial effect is achieved, wherein the Ag content is too low, the antibacterial effect is poor, and the Ag content is too high, so that the formation of an omega phase in the alloy can be inhibited, and the mechanical property of the alloy is adversely affected; mg, Cu, Zn and Li can form AlMg, AlCu, AlLi, MgZn, CuZn and other multiple phases in the base material, and the phases are dispersed in the base material and play a role in pinning dislocation, so that the movement of crystal boundaries and the growth of crystal grains can be prevented, the crystal grains are refined, and the material can be strengthened; cu and Li are mixed, and fine needle-like Al can be formed in the base material₂The CuLi strengthening phase improves the strength, plasticity and fracture toughness of the alloy, however, Al₂The CuLi acicular phase is easy to grow up quickly along the length direction to generate coarsening, which is not beneficial to maintaining the strength of the alloy, and the addition of Ce can enable Al to be added₂The CuLi acicular phase is converted to a spherical phase, thereby achieving better homogenization, refinement and strengthening effects; cr and Mn are mixed to form (CrMn) Al in the base material₁₂The intermediate compound inhibits the nucleation and growth process of the crystal, and improves the strength and toughness of the material. In the preparation method, by selecting proper solid solution temperature and solid solution time, a large amount of dispersed omega phase can be precipitated in the alloy, the solid solution strengthening effect is improved, and the crystal grains are prevented from being enlarged due to overhigh temperature, so that the optimal alloy strengthening effect is achieved; by two-stage artificial aging at 110 ℃ for 105-. According to the invention, sufficient Ag is added into the raw materials and matched with Cu and Zn, so that the aluminum profile has excellent antibacterial performance, and meanwhile, the mechanical property of the alloy is effectively improved by utilizing the matching effect among Mg, Cu, Zn, Li, Ce, Cr and Mn and proper process condition selection, the strength and toughness reduction caused by excessive addition of Ag is compensated, so that the obtained aluminum profile has excellent mechanical properties and excellent toughnessThe antibacterial property is beneficial to improving the air purification effect on the premise of ensuring the toughness of the section bar, and the antibacterial fiber reinforced plastic is widely applied to various fields such as families, businesses, industries and the like.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to specific examples.