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A corrosion-resistant 6082 aluminum alloy material and its melting and casting process

An aluminum alloy material, corrosion-resistant technology, applied in the field of deformed aluminum alloy material preparation, to achieve the effects of excellent casting performance, excellent extrudability, and low extrusion resistance

Active Publication Date: 2022-06-03
江苏亚太航空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, our ordinary 6082 alloy cannot meet the above requirements, and a new 6082 alloy needs to be invented to meet the above applications

Method used

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  • A corrosion-resistant 6082 aluminum alloy material and its melting and casting process
  • A corrosion-resistant 6082 aluminum alloy material and its melting and casting process
  • A corrosion-resistant 6082 aluminum alloy material and its melting and casting process

Examples

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Effect test

Embodiment 1

[0025] A corrosion-resistant 6082 aluminum alloy material, in terms of mass fraction, comprising the following components: silicon 0.876%; iron 0.147%; copper 0.0048%; magnesium 0.846%; manganese 0.591%; chromium 0.157%; titanium 0.0491%, the balance For aluminum and inevitable impurities.

Embodiment 2

[0027] A corrosion-resistant 6082 aluminum alloy material, in terms of mass fraction, comprising the following components: silicon 0.834%; iron 0.115%; copper 0.0025%; magnesium 0.801%; manganese 0.557%; chromium 0.135%; titanium 0.0353%; balance For aluminum and inevitable impurities.

Embodiment 3

[0029] A corrosion-resistant 6082 aluminum alloy material, in terms of mass fraction, comprising the following components: silicon 0.841%; iron 0.123%; copper 0.0021%; magnesium 0.794%; manganese 0.560%; chromium 0.129%; titanium 0.0339%; balance For aluminum and inevitable impurities.

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Abstract

The invention belongs to the technical field of preparation of deformed aluminum alloy materials, and in particular relates to a corrosion-resistant 6082 aluminum alloy material and a melting and casting process thereof. The corrosion-resistant 6082 aluminum alloy material of the present invention comprises the following components by mass fraction: 0.78-0.88% of silicon; 0.15% of iron; 0.005% of copper; 0.75-0.85% of magnesium; 0.5-0.6% of manganese; ‑0.16%; titanium: 0.02‑0.05%, the balance being aluminum and unavoidable impurities. The 6082 aluminum alloy material of the invention has excellent casting performance and strong versatility, and can be consistent with the existing 6082 smelting and casting process. The 6082 aluminum alloy material prepared by the invention has excellent extrudability, small extrusion resistance and long mold life. The performance of the aluminum alloy material after extrusion T4 stabilization treatment of the present invention reaches: tensile strength ≥ 270 MPa, yield strength ≥ 175 MPa, elongation ≥ 17%, intergranular corrosion depth ≤ 50 μm, and no lamellar corrosion, To facilitate subsequent forging processing; T6 performance requirements after forging: tensile strength ≥ 355MPa, yield strength ≥ 325MPa, elongation ≥ 5%, which can meet customer needs.

Description

technical field [0001] The invention belongs to the technical field of the preparation of deformed aluminum alloy materials, and in particular relates to a corrosion-resistant 6082 aluminum alloy material and a melting and casting process thereof. Background technique [0002] With the requirements for energy saving, environmental protection, light weight and high mobility of automobiles, the lightweight of automobiles has developed rapidly. Aluminum alloy has the characteristics of moderate strength, light weight and easy forming, which is suitable for lightweight design of automobiles. For the consideration of strong plasticity and safety, the connecting rod of the automobile chassis needs to be made of 6082 aluminum alloy. At present, the customer's performance requirements for 6082 aluminum alloy are as follows: The customer's performance requirements for 6082 aluminum alloy after stabilization treatment before forging : Tensile strength ≥270MPa, yield strength ≥175MPa,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22C21/02C22C1/02C22F1/05C22F1/043C22F1/047B22D18/04B22D18/06C21D8/06B21C23/00
CPCC22C21/08C22C21/02C22C1/026C22F1/05C22F1/043C22F1/047B22D18/04B22D18/06C21D8/06B21C23/002Y02P10/20
Inventor 陈圆圆王庆庆
Owner 江苏亚太航空科技有限公司
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