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Extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product

Extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product description/claims

1. Field of the Invention

The present invention relates to an extrusion product made of aluminum/aluminum alloy matrix composite and a process of forming the extrusion product, and more particularly to an extrusion product made of more than two different kinds of aluminum alloys.

2. Description of the Related Art

Aluminum alloys are widely used as raw materials for such as extrusions. To fabricate an extrusion material, an aluminum alloy is formed into a cylinder billet with a certain height. Then the aluminum billet is heated to be deformable. At last the aluminum billet is extruded to form the extrusion product such as bar, rod, tube, plate, profile.

However, a conventional aluminum extrusion product is made by only single series of aluminum alloy. Each aluminum alloy has its own nature property so the application of each conventional aluminum extrusion product is limited by the nature of the aluminum alloy property. For example, some aluminum alloys have a low tensile strength but have good anti-corrosion while some aluminum alloys have worse anti-corrosion feature with a high tensile strength. Therefore, some conventional aluminum extrusion products are corrosion-resisting but insufficient for strength support while some conventional aluminum extrusion products are well strength supported but are easy to be corroded.

To make up the aforesaid disadvantage, the conventional aluminum extrusion products are made of aluminum alloy with high tensile strength. Then a shell surface film layer made of anti-corrosion material is electroplated anodized on or is coated on the conventional aluminum extrusion product. However, the layer will not stay attached to the aluminum alloy for an extended period because the layer and the conventional aluminum extrusion products are made of two different materials. Therefore, the surface layer will not stay attached to the conventional aluminum extrusion product for an extended period. Thus, the problem that the conventional aluminum extrusion products do not have both good anti-corrosion and high tensile strength is not solved.

Therefore, the invention provides an extrusion material made of matrix composite aluminum alloys to mitigate or obviate the aforementioned problems.

The main objective of the present invention is to provide an extrusion product made of matrix composite aluminum alloys that have multiple characters.

Other objectives, advantages and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

FIG. 1 is a block diagram of manufacturing acts of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention;

FIG. 2 is operational perspective views of a core and a covering for an aluminum billet in accordance with the present invention;

FIG. 3 is a perspective view of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention; and

FIG. 4 is a cross-sectional end view of another embodiment of an extrusion product made of matrix composite aluminum alloys in accordance with the present invention.

• Provisional Patent
• Utility Patent

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