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Corrosion-resistant aluminum alloy and processing method thereof

A processing method and technology of aluminum alloy, applied in the field of aluminum alloy processing, can solve the problems of serious oxidation burning of alloy, improve wear resistance, improve tensile strength and high temperature corrosion resistance, improve wear resistance and The effect of corrosion resistance

Inactive Publication Date: 2018-06-08
HENGQIN INT INTPROP EXCHANGE CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of surface alloying, the oxidation and burning of the alloy is serious, and a single spraying or electrochemical treatment cannot meet the requirements of corrosion resistance and wear resistance of aluminum alloy materials in some special fields. Therefore, a new type of wear and corrosion resistant aluminum alloy is developed and screened. alloy is necessary

Method used

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  • Corrosion-resistant aluminum alloy and processing method thereof

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Effect test

Embodiment 1

[0032] An aluminum alloy, the aluminum alloy is composed of the following components and their mass percentages: Si: 1.8%, Mn: 0.26%, Cr: 0.22%, Ni: 0.15%, Mo: 0.16%, Ti: 0.2%, Nano WC: 0.28%, Gd: 0.09%, the balance is Al and impurities.

Embodiment 2

[0034] An aluminum alloy, the aluminum alloy is composed of the following components and their mass percentages: Si: 1.86%, Mn: 0.26%, Cr: 0.3%, Ni: 0.13%, Mo: 0.2%, Ti: 0.16%, Nano WC: 0.335%, Gd: 0.08%, and the balance is Al and impurities.

Embodiment 3

[0036] An aluminum alloy, the aluminum alloy is composed of the following components and their mass percentages: Si: 1.72%, Mn: 0.3%, Cr: 0.18-0.3%, Ni: 0.18%, Mo: 0.15%, Ti: 0.25 %, nano WC: 0.22%, Gd: 0.1%, and the balance is Al and impurities.

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Abstract

The invention relates to a corrosion-resistant aluminum alloy and a processing method thereof, and belongs to the technical field of aluminum alloy processing. The aluminum alloy is composed of, by mass, 1.6%-2.0% of Si, 0.20%-0.32% of Mn, 0.16%-0.35% of Cr, 0.08%-0.2% of Ni, 0.1%-0.22% of Mo, 0.12%-0.32% of Ti, 0.18%-0.5% of nanometer WC, 0.06%-0.1% of Gd and the balance Al and impurities. Compatibility of the aluminum alloy is reasonable, the corrosion-resistant aluminum alloy is smelted into an aluminum alloy panel, an aluminum alloy semi-finished product is subjected to alkaline degreasingfirstly and then subjected to electrotinning, sealing treatment is conducted finally, and wear resistance and corrosion resistance of the aluminum alloy are further improved through multiple protection.

Description

technical field [0001] The invention relates to a corrosion-resistant aluminum alloy and a processing method thereof, belonging to the technical field of aluminum alloy processing. Background technique [0002] Aluminum alloy has low density, high specific strength and specific stiffness, good plasticity, can be processed into various profiles, has excellent electrical conductivity, thermal conductivity, corrosion resistance, impact resistance and quite high recycling rate and regeneration rate A series of excellent characteristics, so it has received widespread attention. At present, aluminum alloys are widely used in all walks of life, such as manufacturing parts of aerospace vehicles that require high compressive yield strength, ships, automobiles, aircraft, cryogenic equipment, TV towers, drilling devices, transportation equipment, missile parts and decks Where high corrosion resistance, good weldability and medium strength are required, it is used to manufacture aircra...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C32/00C22F1/04C25D3/32C25D5/48C25D5/44C23G1/24
CPCC22C21/02C22C32/0052C22F1/04C23G1/24C25D3/32C25D5/44C25D5/48
Inventor 蒋俊钢黄艳
Owner HENGQIN INT INTPROP EXCHANGE CENT CO LTD
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