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High-temperature resisting anti-corrosion aluminum alloy section for automobile engine and preparation method of high-temperature resisting anti-corrosion aluminum alloy section

A technology for automobile engines and aluminum alloy profiles, which is applied in the field of aluminum alloys, can solve problems that need to be improved, and achieve the effects of optimizing heat treatment process, good mechanical properties, and inhibiting recrystallization

Inactive Publication Date: 2018-10-12
铜陵康达铝合金制品有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The engine is the heart of the car, which has an important impact on the performance of the car. It is of practical significance to improve the material properties of the car engine. However, the aluminum alloy substrate for the car engine still needs to be improved in terms of high temperature resistance and corrosion resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high-temperature-resistant and corrosion-resistant aluminum alloy profile for an automobile engine proposed by the present invention is composed of an aluminum alloy substrate and a coating coated on the surface of the aluminum alloy substrate. The aluminum alloy substrate includes the following components by mass fraction: Cu: 2.5%, Mn: 0.32%, Cr: 0.4%, Zr: 0.12%, B: 0.1%, Be: 0.08%, Mg: 0.2%, Zn: 0.1%, Si: 0.25%, Fe: 0.25%, Ti: 0.12%, Ni: 0.15%, V: 0.05%, La: 0.14%, Eu: 0.08%, Er: 0.06%, the rest is Al and unavoidable impurities; the raw materials of the coating include: 25 parts of TiC, 25 parts of NiO , 10 parts of TiO 2 .

[0019] The present invention also proposes a method for preparing a high-temperature-resistant and corrosion-resistant aluminum alloy profile for an automobile engine, comprising the following steps:

[0020] S1. Put the aluminum ingot into the smelting furnace to melt, then add the remaining raw materials into the smelting furnace to melt, ...

Embodiment 2

[0024] The invention proposes a high-temperature-resistant and corrosion-resistant aluminum alloy profile for automobile engines, which consists of an aluminum alloy substrate and a coating coated on the surface of the aluminum alloy substrate. The aluminum alloy substrate includes the following components by mass fraction: Cu: 3.5%, Mn: 0.56%, Cr: 0.3%, Zr: 0.22%, B: 0.2%, Be: 0.15%, Mg: 0.1%, Zn: 0.2%, Si: 0.4%, Fe: 0.1%, Ti: 0.28%, Ni: 0.08%, V: 0.15%, La: 0.08%, Eu: 0.02%, Er: 0.12%, and the rest are Al and unavoidable impurities; the raw materials of the coating include: 40 parts of TiC, 15 parts of NiO , 20 parts of TiO 2 .

[0025] The present invention also proposes a method for preparing a high-temperature-resistant and corrosion-resistant aluminum alloy profile for an automobile engine, comprising the following steps:

[0026] S1. Put the aluminum ingot into the melting furnace, raise the temperature to 765°C to melt it, then put the remaining raw materials into th...

Embodiment 3

[0030] A high-temperature-resistant and corrosion-resistant aluminum alloy profile for an automobile engine proposed by the present invention is composed of an aluminum alloy substrate and a coating coated on the surface of the aluminum alloy substrate. The aluminum alloy substrate includes the following components by mass fraction: Cu: 3.2%, Mn: 0.45%, Cr: 0.34%, Zr: 0.18%, B: 0.15%, Be: 0.12%, Mg: 0.15%, Zn: 0.15%, Si: 0.32%, Fe: 0.18%, Ti: 0.2%, Ni: 0.1%, V: 0.1%, La: 0.12%, Eu: 0.05%, Er: 0.09%, the rest is Al and unavoidable impurities; the raw materials of the coating include: 32 parts of TiC, 18 parts of NiO , 15 parts of TiO 2 .

[0031] The present invention also proposes a method for preparing a high-temperature-resistant and corrosion-resistant aluminum alloy profile for an automobile engine, comprising the following steps:

[0032] S1. Put the aluminum ingot into the melting furnace, raise the temperature to 785°C to melt it, then add the remaining raw materials ...

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Abstract

The invention discloses a high-temperature resisting anti-corrosion aluminum alloy section for an automobile engine and a preparation method of the high-temperature resisting anti-corrosion aluminum alloy section. An aluminum alloy base body comprises the following components: Cu, Mn, Cr, Zr, B, Be, Mg, Zn, Si, Fe, Ti, Ni, V, La, Eu and Er and the balance Al and unavoidable impurities. Raw materials of a coating include, by weight, 25-40 parts of TiC, 15-25 parts of NiO and 10-20 parts of TiO2. According to the high-temperature resisting anti-corrosion aluminum alloy section for the automobileengine and the preparation method of the high-temperature resisting anti-corrosion aluminum alloy section, the aluminum alloy section has good mechanical performance and excellent high-temperature resistance and anti-corrosion performance and is long in service life, and the performance of the automobile engine is effectively improved.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a high-temperature-resistant and corrosion-resistant aluminum alloy profile for automobile engines and a preparation method thereof. Background technique [0002] In the fierce competition in the world automobile market, all countries are developing in the direction of high quality, high reliability, light weight, energy saving, and long service life. The development of automobiles requires high quality and low cost. The engine is the heart of the car, which has an important impact on the performance of the car. It is of practical significance to improve the material properties of the car engine. However, the aluminum alloy substrate for the car engine still needs to be improved in terms of high temperature resistance and corrosion resistance. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/18C23C24/10C22C1/02C22F1/057
CPCC22C21/18C22C1/026C22C21/14C22C21/16C22F1/057C23C24/10
Inventor 胡晓菁胡茂友王建新谢明通
Owner 铜陵康达铝合金制品有限责任公司
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