5052 aluminum alloy with high bending forming performance

A technology of bending forming and aluminum alloy, which is applied in the field of metal materials, can solve problems such as not meeting performance requirements, and achieve good bending and forming performance

Inactive Publication Date: 2014-03-19
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tensile strength of the 5052 aluminum alloy sheet produced in industry at present is above 205 MPa in O state, which cannot meet the performance requirements of high bending forming of aluminum alloy sheet under specific conditions.

Method used

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  • 5052 aluminum alloy with high bending forming performance
  • 5052 aluminum alloy with high bending forming performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] According to the content of each component in the 5052 aluminum alloy provided in Table 1, the alloy plate was annealed in a box furnace at 320° C. / 3 hours to prepare the alloy.

[0039] The prepared 5052 aluminum alloys were tested for yield strength, tensile strength, elongation and bending properties in the O state. The results are shown in Table 2. Table 2 shows the 5052 aluminum alloys provided in Examples 1-4 and Comparative Example 1 ~2 performance comparison of 5052 aluminum alloy provided.

Embodiment 2

[0041] According to the content of each component in the 5052 aluminum alloy provided in Table 1, the alloy plate was annealed in a box furnace at 320° C. / 3 hours to prepare the alloy.

[0042] The prepared 5052 aluminum alloy was tested for yield strength, tensile strength, elongation and bending performance in the O state. The results are shown in Table 2. Table 2 shows the 5052 aluminum alloys provided in Examples 1-4 and Comparative Example 1 ~2 performance comparison of 5052 aluminum alloy provided.

Embodiment 3

[0044] According to the content of each component in the 5052 aluminum alloy provided in Table 1, the alloy plate was annealed in a box furnace at 320° C. / 3 hours to prepare the alloy.

[0045] The prepared 5052 aluminum alloy was tested for yield strength, tensile strength, elongation and bending performance in the O state. The results are shown in Table 2. Table 2 shows the 5052 aluminum alloys provided in Examples 1-4 and Comparative Example 1 ~2 performance comparison of 5052 aluminum alloy provided.

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Abstract

The invention provides a 5052 aluminum alloy with high bending forming performance. The 5052 aluminum alloy comprises the following steps: 2.21wt%-2.5wt% of Mg, 0.151wt%-0.17wt% of Cr, 0.05wt%-0.1wt% of Cu, 0.02wt%-0.05wt% of Ti, 0wt%-0.05wt% of Zn, 0wt%-0.20wt% of Si, 0wt%-0.3wt% of Fe, 0wt%-0.001wt% of Na and the balance of Al. Compared with the existing 5052 aluminum alloy, the 5052 aluminum alloy provided by the invention adjusts the relative contents of Mg and Cr strengthening elements and controls the content of grain refining element Ti and the contents of harmful impurity elements, namely Fe, Si, Na and the like, so that the aluminum alloy which is different from the element composition of the existing 5052 aluminum alloy is obtained, and the prepared 5052 aluminum alloy has good bending forming performance.

Description

technical field [0001] The invention belongs to the technical field of metal materials, and in particular relates to a 5052 aluminum alloy with high bending formability. Background technique [0002] Aluminum alloy is a general term for alloys with aluminum as the matrix element. The main alloying elements include copper, silicon, magnesium, zinc, manganese, and nickel, iron, titanium, chromium, lithium and other alloying elements. Aluminum alloy has low density, but relatively high strength, which is close to or exceeds high-quality steel. It has good plasticity and can be processed into various profiles. It has excellent electrical conductivity, thermal conductivity and corrosion resistance. It is used in aviation, aerospace, automobiles, machinery manufacturing, It is the most widely used non-ferrous metal material in the shipbuilding and chemical industries, and its usage is second only to steel. [0003] The 5052 aluminum alloy belongs to the Al-Mg series alloy. Accord...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/06C22C21/08
Inventor 林顺岩
Owner SOUTHWEST ALUMINUM GRP
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