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A heat treatment process for high-toughness aluminum alloy profiles

An aluminum alloy profile, high toughness technology, applied in the field of aluminum profile processing, can solve problems such as poor heat treatment process treatment effect, and achieve the effects of improving oxidation resistance and high temperature corrosion resistance, improving fluidity, and improving hardening ability.

Active Publication Date: 2021-04-23
佛山市昌美铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a high-toughness aluminum alloy profile heat treatment process, which solves the problem of poor treatment effect of the existing aluminum alloy profile heat treatment process by optimizing the treatment conditions and changing the treatment process

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  • A heat treatment process for high-toughness aluminum alloy profiles

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Embodiment 1

[0032] refer to figure 1 , the present invention is a heat treatment process for a high-toughness aluminum alloy profile, comprising the following steps:

[0033] SS001: Ingredients, prepare alloy raw materials according to the following alloy components and mass percentages, Si: 0.05%, Fe: 0.2%, Cu: 1.6%, Mn: 0.35%, Mg: 2.9%, Cr: 0.18%, Zn: 4.7% , Ti: 0.025%, Ag: 0.2%, rare earth: 0.15%, Ni: 0.05%, Al: balance, compared with the traditional batching scheme, this process adds Ag, rare earth and Ni, through the increase of Ag material, it can suppress The precipitation of the GP area in the matrix alloy accelerates the aging process and improves the hardening ability of the alloy. The combination of rare earth and hydrogen forms LaH, CeH, and LaH deoxidation to reduce the content of inclusions in the alloy, which acts as a purification, reduces the surface tension of the liquid aluminum alloy, and improves Fluidity, rare earth metals can also play a role in metal purification,...

Embodiment 2

[0051] The present invention also provides a technical solution, see figure 1 , the present invention is a heat treatment process for a high-toughness aluminum alloy profile, comprising the following steps:

[0052] SS001: Ingredients, prepare alloy raw materials according to the following alloy components and mass percentages, Si: 0.06%, Fe: 0.2%, Cu: 0.02%, Mn: 0.3%, Mg: 1.5%, Cr: 0.1%, Zn: 4.7% , Ti: 0.045%, Ag: 0.2%, rare earth: 0.15%, Ni: 0.05%, Al:

[0053] Residue, compared with Example 1, this kind of batching scheme reduces the proportion of Cu, Mn, Mg, Cr, improves the proportion of Si, Ti, and then improves and changes the performance of the alloy in this technical scheme through the change of the above proportion , the increase of Si and Ti elements improves the hardness and plastic deformation ability of the alloy;

[0054] Compared with the traditional batching scheme, this process adds Ag, rare earth and Ni. Through the increase of Ag material, the precipitati...

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Abstract

The invention discloses a high-toughness aluminum alloy profile heat treatment process and relates to the technical field of aluminum profile processing. The invention includes the following steps SS001: batching, preparing alloy raw materials according to the following alloy components and mass percentages, SS002: melting and casting, adding the prepared alloy raw materials into a melting furnace for smelting, and casting them into aluminum rods after smelting is completed; SS003 : Homogenization treatment, putting the cast aluminum rod into a homogenization furnace for homogenization heat treatment, heating to 490°C-495°C, and keeping it warm for 24 hours, then air cooling to 290°C-310°C, and then water cooling to room temperature. The present invention optimizes the conditions of double-stage aging treatment and re-aging regression treatment. On the one hand, it can effectively improve the comprehensive properties such as tensile strength, yield and elongation rate of aluminum alloy profiles after forming. On the other hand, the treatment process can The difference in material composition makes optimal adjustments to the processing conditions.

Description

technical field [0001] The invention belongs to the technical field of aluminum profile processing, and in particular relates to a high-toughness aluminum alloy profile heat treatment process. Background technique [0002] Aluminum is the most widely used metal structure material in industrial production and daily life after steel. Aluminum has good material properties, suitable strength, good chemical stability, easy to keep clean, high conductivity, and good radiation performance. It is suitable for Anodized and easy to process. [0003] With the progress of the times, people's requirements for aluminum alloys are getting higher and higher, not only to maintain the original light characteristics, but also to have a certain strength, especially in the production of auto parts and industries. Multifunctionality is required. Metal alloys will bring different defects due to changes in their composition and internal atomic arrangement, such as light weight, corrosion resistanc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F1/053C22C1/02C22C21/10
CPCC22C1/026C22C21/10C22F1/053
Inventor 李瑞强朱志峰
Owner 佛山市昌美铝业有限公司
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