Magnesium alloy vehicle wheel surface treatment method and magnesium alloy vehicle wheel

A surface treatment and magnesium alloy technology, which is used in the processing and manufacturing of magnesium alloy wheels, the field of thermal deformation after spraying aluminum on the surface of magnesium alloy wheels, which can solve the problem of coating peeling, difficulty in meeting the requirements of wheel use, and low bonding force between aluminum coating and magnesium substrate. and other problems, to improve the bonding force, solve the problem of electrochemical corrosion, and have no environmental pollution.

Inactive Publication Date: 2009-03-25
ZHONGBEI UNIV
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  • Abstract
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Problems solved by technology

However, in the existing aluminum coating process, the bonding force between the aluminum coating and the magnesium substrate is low. When the externa

Method used

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  • Magnesium alloy vehicle wheel surface treatment method and magnesium alloy vehicle wheel
  • Magnesium alloy vehicle wheel surface treatment method and magnesium alloy vehicle wheel
  • Magnesium alloy vehicle wheel surface treatment method and magnesium alloy vehicle wheel

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Embodiment Construction

[0018] The specific implementation will be described in detail below in conjunction with the accompanying drawings (this embodiment is a further description of the present invention, rather than any limitation to the present invention).

[0019] Such as figure 1 Shown, the process flow chart of magnesium alloy wheel surface treatment method of the present invention. A surface treatment method for a magnesium alloy wheel includes preforming, machining, aluminum spraying on the surface, heating and diffusion, final forming, heat treatment, and surface coating. The method of the invention can be used to make a magnesium alloy wheel with a layer of aluminum or aluminum alloy on the surface.

[0020] In the preforming process, the wheel blank is prepared by plastic deformation, and the wheel semi-finished product is obtained after machining, leaving a suitable amount of deformation for the final forming; the preforming is determined according to the specification and shape of the ...

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Abstract

The invention pertains to a surface treatment method of magnesium alloy wheels. The surface treatment method is characterized by the inclusion of preliminary shaping, machining, aluminium coating on the surface, heating and diffusion, final shaping, heat treatment and surface coating treatment, wherein, the preliminary shaping and the machining can provide a semi-product of a magnesium alloy wheel with a deflection left for the final shaping; after the aluminium coating on the surface and the heating and diffusion, a finished product of the magnesium alloy wheel can be obtained through the final shaping. Heating action during the procedure of the heating and diffusion and mechanical action during the procedure of deformation improve the bonding force of an aluminium coating and a magnesium alloy substrate as well as corrosion resistance of the magnesium alloy wheel, solve the problem of electrochemical corrosion of a bonding part and the problem that a coating with a common treatment method is liable to fall off, and do not reduce mechanical performance of materials of the magnesium alloy substrate with low production cost and no environmental pollution.

Description

1. Technical field [0001] The invention discloses a method for treating the surface of a magnesium alloy wheel, in particular a method for thermally deforming the surface of the magnesium alloy wheel after spraying aluminum, which is mainly used for processing and manufacturing the magnesium alloy wheel. 2. Background technology [0002] Magnesium alloy has low density, high specific strength, and good damping performance. It is known as "the green engineering material of the 21st century". With the increasing urgency of automobile lightweighting, magnesium alloys have shown great advantages in automobiles, and wheels are typical parts that use magnesium alloys as alternative new materials in the field of new-generation automobile products. However, for magnesium alloy wheels, low performance and poor corrosion resistance have always restricted its popularization and application. [0003] In terms of improving the performance of magnesium alloy wheels, Chinese patent ZLO310...

Claims

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Application Information

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IPC IPC(8): C23F17/00C23C4/08C22F1/06
Inventor 张治民王强张星李国俊薛勇
Owner ZHONGBEI UNIV
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