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Novel aluminum alloy material

A technology of aluminum alloy materials and aluminum alloy plates, which is applied in the field of metal materials, can solve problems such as poor high temperature performance, poor room temperature performance, and inability to meet the working requirements of engines, and achieve the effect of improving alloy performance, temperature resistance and mechanical properties

Inactive Publication Date: 2013-01-16
昆山市源丰铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the requirements of the engine cylinder head structure and working conditions for manufacturing materials, alloy elements such as Mg and Cu are mainly added to the aluminum-silicon alloy at home and abroad to improve the alloy performance. This type of alloy has better room temperature performance, but lower high temperature performance. Poor; and for the aluminum alloy with only Cu added, although the high temperature performance is better, the room temperature performance is poor, which cannot meet the working requirements of the engine

Method used

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Embodiment Construction

[0009] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0010] Embodiments of the invention include:

[0011] A new type of aluminum alloy material is an Al-Si-Cu series aluminum alloy plate, including the following components by mass percentage: Si: 5.0-6.0%, preferably 5.5%; Cu: 2.5%-4.5%, preferably 3.5%; Mn: 0.15%-0.25%, preferably 2.0%; Mg: 0.1%-0.2%, preferably 1.5%; Ti: 0.1%-0.2%, preferably 1.5%; Zr: 0.1-0.2%, Preferably 1.5%; Fe: ≤0.1%, the rest is Al and unavoidable trace elements.

[0012] Wherein, the inevitable microalloying elements include Ni, Sr, Zn and V.

[0013] The mass percentage of the inevitable microalloying elements is 0.05%-0.25%.

[0014] The role of each trace element is as follows:

[0015] Ni: It is tough, magnetic, ...

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Abstract

The invention discloses a novel aluminum alloy material which is an Al-Si-Cu aluminum alloy plate. The novel aluminum alloy material comprises the following components in percentage by mass: 5.0-6.0 percent of Si, 2.5-4.5 percent of Cu, 0.15-0.25 percent of Mn, 0.1-0.2 percent of Mg, 0.1-0.2 percent of Ti, 0.1-0.2 percent of Zr, no more than 0.1 percent of Fe and the balance of Al and inevitable trace elements. In such a way, the temperature resistance and the mechanical property of the aluminum alloy material can be improved, so that the working requirements for high temperature resistance and high pressure resistance of the novel aluminum alloy material can be met.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a novel aluminum alloy material. Background technique [0002] The engine is the heart of the car, providing power for the car to run. To put it simply, the engine is an energy conversion mechanism, that is, the thermal energy of gasoline / diesel is converted into mechanical energy by pushing the piston to do work when the combustion gas expands in the sealed cylinder. [0003] The engine cylinder head acts as a seal for the engine. Its structure is complex, integrating oil passages, air passages and water passages, and the working conditions are harsh. It forms a combustion chamber with cylinders and pistons, and must withstand high temperature and high pressure. In recent years, the improvement of engine power has significantly increased the working temperature and pressure of the cylinder head, which requires the manufacturing materials to have good temperature resistance and hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02
Inventor 朱培元
Owner 昆山市源丰铝业有限公司