Process for producing aluminum-based metal composite, aluminum-based composite obtained by using the same, and aluminum-based structure having the aluminum-based composite
a technology of aluminum-based metal and composites, which is applied in the direction of solid-state diffusion coatings, transportation and packaging, coatings, etc., can solve the problems of poor compatibility between the strengthened phase and the metallic substrate, and achieve the effect of improving the mechanical strength of an aluminum-based metal
Inactive Publication Date: 2018-05-10
CHANG YUNG CHING +1
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Benefits of technology
The present invention aims to provide a process for producing an aluminum-based composite that improves its mechanical strength. The resulted composite has better mechanical strength, making it suitable for use in various applications.
Problems solved by technology
There are still some issues to be solved for the mass production and the commercialization of metal matrix composite.
The compatibility between the strengthened phase and the metallic substrate is poor.
Method used
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[0038]The present invention of the process for producing aluminum-based composite applies borax on the surface of an aluminum-based metal and heats such metal to a temperature over the melting point of borax. More particularly, the melting point of borax is 743° C. The aluminum-based metal may be aluminum metal or aluminum alloy.
[0039]More particularly, borax is tiled on the aluminum-based metal consisting of aluminum metal, aluminum alloy, or the combination thereof, and such metal and borax are heated over 743° C. in a high temperature environment such as a high temperature furnace to make the aluminum react with borax to form a strengthened phase. During the process, the reaction takes place whether inert gas (e.g. Ar) exists or not. In other words, the aluminum-based metal treating method of the present invention may be conducted in an aerobic environment.
[0040]As shown in the optical microscope photo (VHX-5000, Keyence Inc., USA) of FIG. 1, the brighter area represents the alum...
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Abstract
A process for producing aluminum-based metal composite, an aluminum-based composite obtained by using the same, and an aluminum-based structure having the said aluminum-based composite are provided. The aluminum-based metal treating method applies borax on the surface of an aluminum-based metal and heats such metal to a temperature over the melting point of borax. The aluminum-based composite includes aluminum in the range of 7 to 9 atomic %, sodium in the range of 11 to 13 atomic %, and oxygen in the range of 79 to 81 atomic %. The aluminum-based structure includes an aluminum-based substrate formed by an aluminum-based metal and an aluminum-based composite disposed in the aluminum based substrate.
Description
BACKGROUND OF THE INVENTION1. Field of the Invention[0001]The present invention generally relates to a process for producing aluminum-based metal composite, an aluminum-based composite obtained by using the same, and an aluminum-based structure having the said aluminum-based composite.2. Description of the Prior Art[0002]Metal matrix composite (MMC) is a novel composite obtained by using special process to distribute different kinds and types of ceramic and non-metallic strengthened phase uniformly in a continuous metallic substrate. It has the advantages of metallic substrate and strengthened phase, e.g. high specific strength and specific stiffness, heat-resisting, wear-resisting, good lateral property and interlaminar shear strength, high temperature and volume stability, and good design ability of material. Therefore, it was first used in aerospace industry.[0003]There are still some issues to be solved for the mass production and the commercialization of metal matrix composite....
Claims
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IPC IPC(8): C23C24/10
CPCC23C24/10C23C8/68Y10T428/12764
Inventor CHANG
Owner CHANG YUNG CHING