Process for producing aluminum-based metal composite, aluminum-based composite obtained by using the same, and aluminum-based structure having the aluminum-based composite

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.

What is claimed is: 
     
         1 . A process for producing aluminum-based composite, wherein the aluminum-based metal treating method applies borax on the surface of an aluminum-based metal and heats the aluminum-based metal to a temperature over the melting point of borax. 
     
     
         2 . The aluminum-based metal treating method of  claim 1 , wherein the aluminum-based metal is aluminum metal. 
     
     
         3 . The aluminum-based metal treating method of  claim 1 , wherein the aluminum-based metal is aluminum alloy. 
     
     
         4 . The aluminum-based metal treating method of  claim 1 , wherein borax is mixed with a ceramic material before being applied on the surface of the aluminum-based metal and the aluminum-based metal is heated over the melting point of borax, wherein the ratio of the ceramic material with respect to borax is in the range between 0.01 to 90 wt %. 
     
     
         5 . The aluminum-based metal treating method of  claim 1 , wherein the hardness of the ceramic material is larger than the hardness of aluminum. 
     
     
         6 . The aluminum-based metal treating method of  claim 1 , wherein the ceramic material is selected from a group consisting of silicon carbide, tungsten carbide, boron carbide, zirconium carbide, titanium carbide, beryllium carbide, zirconium boride, titanium diboride, rhenium diboride, aluminum boride, aluminum oxide, boron nitride, diamond, and the combination thereof. 
     
     
         7 . An aluminum-based composite, comprising:
 7 to 9 atomic % of aluminum;   11 to 13 atomic % of sodium; and   79 to 81 atomic % of oxygen.   
     
     
         8 . The aluminum-based composite of  claim 7  comprises 8 atomic % of aluminum, 12 atomic % of sodium, and 80 atomic % of oxygen. 
     
     
         9 . The aluminum-based composite of  claim 7  further comprises a ceramic material, wherein:
 the content of aluminum is in the range between 2 to 3 wt %; 
 the content of sodium is in the range between 3.5 to 5 wt %; 
 the content of oxygen is in the range between 26 to 27 wt %; and 
 the content of the ceramic material is in the range between 65 to 68 wt %. 
 
     
     
         10 . The aluminum-based composite of  claim 7 , wherein the hardness of the ceramic material is larger than the hardness of aluminum. 
     
     
         11 . The aluminum-based composite of  claim 7 , wherein the ceramic material is selected from a group consisting of silicon carbide, tungsten carbide, boron carbide, zirconium carbide, titanium carbide, beryllium carbide, zirconium boride, titanium diboride, rhenium diboride, aluminum boride, aluminum oxide, titanium oxide, boron nitride, diamond, and the combination thereof. 
     
     
         12 . An aluminum-based structure, comprising:
 an aluminum-based substrate formed by an aluminum-based metal;   an aluminum-based composite disposed in the aluminum-based substrate, wherein the aluminum-based composite includes:
 7 to 9 atomic % of aluminum; 
 11 to 13 atomic % of sodium; and 
 79 to 81 atomic % of oxygen. 
   
     
     
         13 . The aluminum-based structure of  claim 12 , wherein the aluminum-based composite includes 8 atomic % of aluminum, 12 atomic % of sodium, and 80 atomic % of oxygen. 
     
     
         14 . The aluminum-based structure of  claim 12 , wherein the aluminum-based composite further includes a ceramic material, wherein:
 the content of aluminum is in the range between 2 to 3 wt %;   the content of sodium is in the range between 3.5 to 5 wt %;   the content of oxygen is in the range between 26 to 27 wt %; and   the content of the ceramic material is in the range between 65 to 68 wt. %.   
     
     
         15 . The aluminum-based structure of  claim 14 , wherein the hardness of the ceramic material is larger than the hardness of aluminum. 
     
     
         16 . The aluminum-based structure of  claim 14 , wherein the ceramic material is selected from a group consisting of silicon carbide, tungsten carbide, boron carbide, zirconium carbide, titanium carbide, beryllium carbide, zirconium boride, titanium diboride, rhenium diboride, aluminum boride, aluminum oxide, boron nitride, diamond, and the combination thereof.