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High-strength aluminum alloy rivet line and manufacturing method thereof

An aluminum alloy, high-strength technology, applied in the field of metal materials, can solve the problems of no high-strength aluminum alloy rivet wire product, no high-strength aluminum alloy rivet wire preparation method, etc., to improve the safety and reliability of riveting, Reduced stress corrosion resistance, high strength-to-weight ratio effect

Active Publication Date: 2017-03-29
SHANDONG TAIYI METAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Before the completion of the present invention, there was no high-strength aluminum alloy rivet wire product identical to the preparation method of the present invention, nor was there any high-strength aluminum alloy rivet wire preparation method identical to the present invention recorded in the literature

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] The preparation process of high-strength aluminum alloy rivet wire is as follows:

[0037] Step 1: Preparation of aluminum master alloy particles

[0038] Melting the aluminum master alloy ingot, continuous casting to obtain an aluminum master alloy rod, and then cutting the aluminum master alloy rod to make cylindrical particles with a diameter of 12 mm and a length (i.e., height) of 25 mm, and the weight of the particles is 9g-20g;

[0039] Step 2: Ingredients

[0040] By weight percentage: iron Fe 0.15%, silicon Si 0.12%, copper Cu 0.08%, scandium Sc 0.03%, cerium Ce 0.008%, magnesium Mg 2.5%, chromium Cr 0.05%, nickel Ni 0.008%, zinc Zn 0.15%, Boron B 0.003%, the balance is aluminum Al, batching, to prepare aluminum ingots and aluminum master alloy particles;

[0041] Step 3: Rapid melting of aluminum ingots

[0042] Using a fast-melting aluminum master furnace, using 1350°C high-temperature furnace gas and forehearth aluminum melt to immerse the aluminum ingot t...

Embodiment 2

[0065] The preparation process of high-strength aluminum alloy rivet wire is as follows:

[0066] Step 1: Preparation of aluminum master alloy particles

[0067] Melting the aluminum master alloy ingot, continuous casting to obtain the aluminum master alloy rod, and then cutting the aluminum master alloy rod to make cylindrical particles with a diameter of 12mm and a length of 25mm, and the weight of the particles is 9g-20g;

[0068] Step 2: Ingredients

[0069] By weight percentage: iron Fe 0.2%, silicon Si 0.15%, copper Cu 0.05%, scandium Sc 0.04%, cerium Ce 0.003%, magnesium Mg 2.9%, chromium Cr 0.08%, nickel Ni 0.005%, zinc Zn 0.15%, Boron B 0.002%, the balance is aluminum Al, batching, to prepare aluminum ingots and aluminum master alloy particles;

[0070] Step 3: Rapid melting of aluminum ingots

[0071] Using a fast-melting aluminum master furnace, using 1350°C high-temperature furnace gas and forehearth aluminum melt to immerse the aluminum ingot to achieve rapid m...

Embodiment 3

[0100] The preparation process of high-strength aluminum alloy rivet wire is as follows:

[0101] Step 1: Preparation of aluminum master alloy particles

[0102] Melting the aluminum master alloy ingot, continuous casting to obtain the aluminum master alloy rod, and then cutting the aluminum master alloy rod to make cylindrical particles with a diameter of 12mm and a length of 25mm, and the weight of the particles is 9g-20g;

[0103] Step 2: Ingredients

[0104] Percentage by weight: iron Fe 0.16%, silicon Si 0.10%, copper Cu 0.12%, scandium Sc 0.05%, cerium Ce 0.025%, magnesium Mg 3.1%, chromium Cr 0.08%, nickel Ni 0.003%, zinc Zn 0.18%, Boron B 0.002%, the balance is aluminum Al, batching, to prepare aluminum ingots and aluminum master alloy particles;

[0105] Step 3: Rapid melting of aluminum ingots

[0106] Using a fast-melting aluminum master furnace, using 1350°C high-temperature furnace gas and forehearth aluminum melt to immerse the aluminum ingot to achieve rapid ...

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Abstract

The invention discloses a high-strength aluminum alloy rivet line and a manufacturing method thereof. Compared with the prior art, the high-strength aluminum alloy rivet line according to the embodiment of the invention has the advantages that a plurality of elements are alloyed, an intermediate alloy is granulated and added as particles, the technologies of high-temperature rapid aluminum smelting, electromagnetic stirring and the like are utilized comprehensively, and sectional temperature control, directional freezing, continuously casting, cold rolling, repeated thermal treatment and drawing processes are adopted, so that a rivet line with high strength, high shearing strength, excellent plasticity and toughness and superior corrosion resistance can be manufactured, the riveting weight and cost can be lowered, and the safety performance of riveting is enhanced.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to an aluminum alloy rivet wire and a preparation method thereof, in particular to a high-strength aluminum alloy rivet wire and a preparation method thereof. Background technique [0002] Rivets are riveted parts that are riveted by their own deformation or interference connection, and are widely used in construction, automobiles, ships, aircraft, machines, electrical appliances, furniture and other products. According to material classification, rivets are mainly divided into metal material rivets and non-metallic plastic rivets; while metal material rivets are mainly divided into stainless steel rivets and aluminum alloy rivets. [0003] Rivets are made of wire, and the performance of the wire determines the performance of the rivet to a large extent. How to manufacture a wire for rivets with excellent performance is very important. [0004] Rivets made of stainless steel have a low...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C1/03C22F1/047B22D11/16
CPCB22D11/16C22C1/026C22C1/03C22C21/08C22F1/047
Inventor 於国良吴振江叶青岚黄新民
Owner SHANDONG TAIYI METAL SCI & TECH
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