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Melt-purification-based alloy aluminum material with good durability and preparation method of melt-purification-based alloy aluminum material

A melt purification and durability technology, applied in the field of aluminum alloy materials, can solve the problems of low aluminum alloy purity, impact durability, low hydrogen content, etc., and achieve the effect of improving durability, high strength, high strength and toughness

Inactive Publication Date: 2022-03-08
深圳市美瑞金属材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purification of aluminum alloy melt is the key technology to ensure the metallurgical quality of aluminum alloy materials. Reducing the hydrogen content in aluminum melt is one of the main purposes of aluminum melt purification; due to the low purity of aluminum alloy produced by the existing technology, the hydrogen content Low, resulting in low strength and affecting durability, so it is necessary to improve the deficiencies of the existing technology based on the alloy aluminum material with good durability and the preparation method based on the melt purification type

Method used

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  • Melt-purification-based alloy aluminum material with good durability and preparation method of melt-purification-based alloy aluminum material

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Embodiment 1 Based on the alloy aluminum material with good durability of melt purification type and its preparation method, including

[0026] 1. Material selection: Add aluminum-magnesium alloy, aluminum-copper alloy, magnesium-zinc alloy, and magnesium-copper alloy into the furnace respectively, and melt them into a liquid state at a temperature of 900-1200°C for later use;

[0027] 2. Melting: Put the pure aluminum base material into the melting furnace to melt, then add 3% of the molten aluminum-magnesium alloy, 2% of the aluminum-copper alloy, 4% of the magnesium-zinc alloy and 2% of the magnesium-copper alloy in sequence, at 700-1000°C Smelt for 2-6 hours, then add metal elements and rare earth elements in sequence to prepare a mixed solution;

[0028] Among them, the proportion of metal elements is: 1% titanium, 0.5% nickel, 0.5% cobalt, 0.5% zirconium, 2% manganese, 1% silicon and 0.5% chromium;

[0029] The proportion of rare earth elements is: scandium 0.1%,...

Embodiment 2

[0033] Embodiment 2 Based on the alloy aluminum material with good durability of melt purification type and its preparation method, including

[0034] 1. Material selection: Add aluminum-magnesium alloy, aluminum-copper alloy, magnesium-zinc alloy, and magnesium-copper alloy into the furnace respectively, and melt them into a liquid state at a temperature of 900-1200°C for later use;

[0035] 2. Melting: Put the pure aluminum base material into the melting furnace to melt, then add the molten aluminum-magnesium alloy 5%, aluminum-copper alloy 4%, magnesium-zinc alloy 6% and magnesium-copper alloy 4%, at 700-1000°C Smelt for 2-6 hours, then add metal elements and rare earth elements in sequence to prepare a mixed solution;

[0036] Among them, the proportion of metal elements is: 1.25% titanium, 0.9% nickel, 0.9% cobalt, 0.9% zirconium, 2.75% manganese, 1.25% silicon and 0.75% chromium;

[0037] The proportion of rare earth elements is: scandium 0.2%, cerium 0.2%, praseodymium...

Embodiment 3

[0041] Embodiment 3 based on the melt purification type of durable aluminum alloy and its preparation method, including

[0042] 1. Material selection: Add aluminum-magnesium alloy, aluminum-copper alloy, magnesium-zinc alloy, and magnesium-copper alloy into the furnace respectively, and melt them into a liquid state at a temperature of 900-1200°C for later use;

[0043] 2. Melting: Put the pure aluminum base material into the melting furnace to melt, then add the molten aluminum-magnesium alloy 7%, aluminum-copper alloy 5%, magnesium-zinc alloy 7% and magnesium-copper alloy 6%, at 700-1000°C Smelt for 2-6 hours, then add metal elements and rare earth elements in sequence to prepare a mixed solution;

[0044] Among them, the proportion of metal elements is: 1.5% titanium, 1.3% nickel, 1.3% cobalt, 1.3% zirconium, 2.5% manganese, 1.5% silicon and 1% chromium;

[0045] The proportion of rare earth elements is: scandium 0.3%, cerium 0.3%, praseodymium 0.2%, samarium 0.1% and ytt...

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Abstract

The invention relates to the technical field of alloy aluminum materials, in particular to a melt purification type alloy aluminum material with good durability and a preparation method. The aluminum alloy comprises the following raw materials in percentage by mass: 3-11% of an aluminum-magnesium alloy, 2-7% of an aluminum-copper alloy, 4-9% of a magnesium-zinc alloy, 2-9% of a magnesium-copper alloy, 0.1-0.5% of a metal element, a rare earth element and a refining agent, and the balance of a pure aluminum base material, the added aluminum-magnesium alloy, aluminum-copper alloy, magnesium-zinc alloy and magnesium-copper alloy have high strength, and after mixing, the alloys are mixed in a diversified mode, so that the strength of the prepared aluminum alloy is enhanced; and the added metal elements and rare earth elements are mixed with the aluminum alloy liquid, so that the prepared aluminum alloy has high strength and good toughness, and the use durability is further improved.

Description

technical field [0001] The invention relates to the technical field of alloy aluminum materials, in particular to an alloy aluminum material with good durability based on a melt purification method and a preparation method thereof. Background technique [0002] As the world's environmental protection standards become more and more stringent, the lightweight of automobiles has become a future development trend. Reducing the weight of automobiles is an inevitable choice for energy saving and emission reduction in the transportation field. Aluminum alloy not only has high strength and is suitable for processing, but also has the advantages of light weight (about 1 / 3 of the weight of steel), so "replacing steel with aluminum" has become the trend of economic development. Whether it is a rail vehicle or a car, the promotion of aluminum body can reduce the weight of the vehicle, which will help the transportation industry to achieve a win-win situation of energy saving, emission r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C1/06C22C21/00
CPCC22C1/03C22C1/026C22C1/06C22C21/00
Inventor 钟翔
Owner 深圳市美瑞金属材料有限公司
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