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Preparation method of high-strength aluminum alloy material for doors/windows

An aluminum alloy material and high-strength technology, which is applied in the field of door and window materials, can solve problems that affect popularization and use, poor plasticity, and insufficient strength, and achieve good returns, good tensile strength, and long fatigue life.

Inactive Publication Date: 2015-06-24
SUZHOU CITY WUZHONG DISTRICT XUKOU FENGSHOU MACHINERY PARTS FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Material is an important pillar of today's science and technology, and it is particularly important because it is the foundation of human society development and all science and technology. The degree of technological development of materials will directly affect the transformation of productivity. The material science that has emerged in recent years is a comprehensive science. One of the fields: The world's economic powers have raised the development of materials to the strategic height of economic development. Materials science and engineering are entering an unprecedented period of rapid development. The development of society and the progress of human civilization show that the requirements for materials are getting higher and higher. , and aluminum alloys for doors and windows are favored by the market because of their high hardness, light weight, no aging, beautiful and practical after color coating, and the market demand is becoming more and more strong. However, the traditional aluminum alloys have too high processing hardness and poor plasticity. Insufficient strength, etc., the price of the product is significantly higher than that of ordinary aluminum alloy plate products of the same type, which affects its promotion and use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment provides a method for preparing a high-strength aluminum alloy material for doors and windows. The method for preparing the aluminum alloy material specifically includes the following steps:

[0041](1) Using aluminum alloy structural steel as the billet, the billet is heated to 900°C for hot rolling, the starting rolling temperature is 1000°C, and the final rolling temperature is 850°C. The hot-rolled billet is cooled by compressed air at 5°C per second The speed is first cooled to 580°C, and then slowly cooled to room temperature to obtain a semi-finished product;

[0042] Aluminum alloy structural steel blanks include the following components by mass percentage:

[0043] Iron: 0.3%, magnesium: 0.9%, zinc: 3%, titanium: 0.09%, chromium: 0.06%, nickel: 2%, scandium: 0.04%, yttrium: 0.01%, boron: 2%, neodymium: 1.2%, Copper: 0.20%, silicon: 0.9%, nitrogen: 0.02%, oxygen: 0.009%, carbon: 0.02%, residual elements: 0.45%, rare earth elements: 0.9%, the res...

Embodiment 2

[0053] This embodiment provides a method for preparing a high-strength aluminum alloy material for doors and windows. The method for preparing the aluminum alloy material specifically includes the following steps:

[0054] (1) Using aluminum alloy structural steel as the billet, the billet is heated to 850°C for hot rolling, the starting rolling temperature is 900°C, and the final rolling temperature is 800°C. The hot-rolled billet is cooled by compressed air at 3°C ​​per second The speed is first cooled to 550°C, and then slowly cooled to room temperature to obtain a semi-finished product;

[0055] Aluminum alloy structural steel blanks include the following components by mass percentage:

[0056] Iron: 0.4%, magnesium: 0.8%, zinc: 4%, titanium: 0.08%, chromium: 0.05%, nickel: 1%, scandium: 0.05%, yttrium: 0.02%, boron: 1%, neodymium: 0.9%, Copper: 0.15%, silicon: 0.7%, nitrogen: 0.01%, oxygen: 0.007%, carbon: 0.03%, residual elements: 0.45%, rare earth elements: 0.5%, the r...

Embodiment 3

[0066] This embodiment provides a method for preparing a high-strength aluminum alloy material for doors and windows. The method for preparing the aluminum alloy material specifically includes the following steps:

[0067] (1) Using aluminum alloy structural steel as the billet, the billet is heated to 950°C for hot rolling, the rolling start temperature is 960°C, and the final rolling temperature is 900°C. The hot-rolled billet is cooled by compressed air at 6°C per second The speed is first cooled to 620°C, and then slowly cooled to room temperature to obtain a semi-finished product;

[0068] Aluminum alloy structural steel blanks include the following components by mass percentage:

[0069] Iron: 0.2%, Magnesium: 1.0%, Zinc: 2%, Titanium: 0.10%, Chromium: 0.08%, Nickel: 2%, Scandium: 0.02%, Yttrium: 0.03%, Boron: 2%, Neodymium: 1.5%, Copper: 0.08%, silicon: 0.8%, nitrogen: 0.03%, oxygen: 0.008%, carbon: 0.02%, residual elements: 0.25%, rare earth elements: 1.5%, the rest i...

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Abstract

The invention discloses a preparation method of a high-strength aluminum alloy material for doors / windows, which comprises the following steps: carrying out hot rolling and cooling on a blank to obtain a semifinished product, carrying out hydrogen diffusion heat treatment on the finished product, mechanically removing hot rolling scales, cooling, carrying out crystal grain stabilizing treatment, and inspecting and warehousing. The preparation method is simple and easy to operate, and saves the cost. The prepared aluminum alloy material has the advantages of high strength, high yield strength, favorable tensile strength, favorable weldability, favorable upsetting performance and long fatigue life.

Description

technical field [0001] The invention relates to a preparation method of an aluminum alloy material, in particular to a preparation method of a high-strength aluminum alloy material for doors and windows, and belongs to the technical field of door and window materials. Background technique [0002] As people's living and home styles become more and more diverse, the demand for living and home styles has also increased. Among them, the improvement of building quality requirements is particularly prominent, and the requirements for building doors and windows are the most prominent. The doors and windows used today are made of metal, There are several kinds of plastic, wood, etc., so the material for making doors and windows has become the main research object. [0003] Material is an important pillar of today's science and technology, and it is particularly important because it is the foundation of human society development and all science and technology. The degree of technolo...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C21/00C22C1/02
CPCC22C1/026C22C21/00C22C21/10
Inventor 黄龙海黄瑶琼吴磊
Owner SUZHOU CITY WUZHONG DISTRICT XUKOU FENGSHOU MACHINERY PARTS FACTORY