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High-strength aluminum alloy material and preparation method thereof

An aluminum alloy material, high-strength technology, applied in the field of aluminum alloy materials, can solve problems such as fracture and breakage

Inactive Publication Date: 2017-11-03
合肥饰界金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] With the deepening of research on aluminum alloy materials, there are many types of existing aluminum alloy materials, and there are also large differences in the performance of various aluminum alloy materials. The strength performance of existing aluminum alloy materials is particularly outstanding. Easy to break and break during the process

Method used

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  • High-strength aluminum alloy material and preparation method thereof
  • High-strength aluminum alloy material and preparation method thereof
  • High-strength aluminum alloy material and preparation method thereof

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preparation example Construction

[0035] The present invention also provides a method for preparing the above-mentioned high-strength aluminum alloy material, comprising the following steps:

[0036] a) Prepare the raw materials according to the weight percentage of each component of the alloy, and put them into a constant temperature preheating drying oven for drying;

[0037] b) Prepare a slag-removing agent according to 0.7-1.1% of the total amount of each raw material in step a), and put the slag-removing agent into a constant temperature preheating drying oven for drying;

[0038] c) Put the aluminum obtained in step a) into the melting furnace, ignite it, and control the temperature of the furnace to 700-750°C. After the aluminum is completely melted, add other raw materials obtained in step a), and continue to heat up to 800-900°C and keep it warm for 15-50°C. 20min; cool down to 750-850°C, spray the slag-cleaning agent obtained in step b), and keep warm for 10-15min to obtain an aluminum alloy solution...

Embodiment 1

[0045] The high-strength aluminum alloy material consists of the following components by weight percentage:

[0046] 2.6% copper, 0.8% manganese, 0.9% iron, 0.27% cobalt, 0.04% calcium, 0.26% nickel, 0.6% titanium, 0.34% zirconium, 0.18% molybdenum, 0.13% scandium, 4.2% silicon, the rest is aluminum and a small amount of Impurities to avoid;

[0047] A method for preparing a high-strength aluminum alloy material, comprising the following steps:

[0048] Prepare the raw materials according to the weight percentage of each component of the alloy, and put them in a constant temperature preheating drying oven for drying;

[0049] Calcium silicate is prepared according to 0.9% of the total amount of each raw material, and the slag cleaning agent is placed in a constant temperature preheating drying oven for drying;

[0050] Put the aluminum in the melting furnace, ignite it, and control the furnace temperature to 700°C. After the aluminum is completely melted, add other raw mater...

Embodiment 2

[0053] The high-strength aluminum alloy material consists of the following components by weight percentage:

[0054] 3.2% copper, 1% manganese, 0.5% iron, 0.208% cobalt, 0.035% calcium, 0.21% nickel, 0.55% titanium, 0.51% zirconium, 0.26% molybdenum, 0.08% scandium, 3.8% silicon, the rest is aluminum and a small amount cannot Impurities to avoid;

[0055] A method for preparing a high-strength aluminum alloy material, comprising the following steps:

[0056] Prepare the raw materials according to the weight percentage of each component of the alloy, and put them in a constant temperature preheating drying oven for drying;

[0057] Prepare magnesium silicate according to 1.1% of the total amount of each raw material, and put the slag cleaning agent in a constant temperature preheating drying oven for drying;

[0058] Put the aluminum in the melting furnace, ignite it, and control the temperature of the furnace to 750°C. After the aluminum is completely melted, add other raw mat...

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Abstract

The invention provides a high-strength aluminum alloy material and a preparation method thereof. The high-strength aluminum alloy material is composed of the following components by weight percentage: 2.3-3.4% copper, 0.8-1.4% manganese, 0.5-1.0% iron, 0.2-0.4% cobalt, 0.03-0.06% calcium, 0.15-0.42% nickel, 0.5-0.8% titanium, 0.15-0.42% nickel, 0.25-0.51% zirconium, 0.1-0.3% Molybdenum, 0.08-0.2% scandium, 2.1-4.2% silicon. In the present invention, the strength and plasticity of the aluminum alloy material are improved by adding zirconium and molybdenum to the aluminum alloy material, and the addition of cobalt and scandium to the aluminum alloy material can effectively overcome casting cracks, improve the quality of the aluminum alloy, and improve the quality of the aluminum alloy product. Cost rate. According to the experimental results, the strength of aluminum alloy products is above 547MPa, the elongation rate is above 7.9%, and the qualified rate of flaw detection is above 99%.

Description

technical field [0001] The invention belongs to the field of aluminum alloy materials, in particular to a high-strength aluminum alloy material and a preparation method thereof. Background technique [0002] Aluminum alloy is an alloy composed of aluminum as the matrix element and then adding one or more alloy elements. The aluminum alloy has a low density, but relatively high strength, and has excellent electrical conductivity, thermal conductivity and corrosion resistance, etc., making aluminum alloy Alloy materials have been widely used in various industries. [0003] With the deepening of research on aluminum alloy materials, there are many types of existing aluminum alloy materials, and there are also large differences in the performance of various aluminum alloy materials. The strength performance of existing aluminum alloy materials is particularly outstanding. During the process, it is easy to break and break. Contents of the invention [0004] In view of this, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/14C22C21/02C22C1/02C22C1/06
CPCC22C21/14C22C1/026C22C1/06C22C21/02
Inventor 杨道瑞
Owner 合肥饰界金属制品有限公司
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