Method for Making a Strong Aluminum Alloy

Abstract

A method is used to make an aluminum alloy with excellent tensile strength, low density and excellent radiation. The method includes the steps of providing a base material, adding 0.06 wt % to 0.30 wt % of zirconium and 0.06 wt % to 0.30 wt % of vanadium to the base material, and melting the basic material with the zirconium and vanadium to provide an aluminum alloy. The base material includes 92.55 wt % to 97.38 wt % of aluminum, 0.9 wt % to 1.8 wt % of silicon, less than 0.5 wt % of iron, 0.6 wt % to 1.2 wt % of copper, 0.4 wt % to 1.1 wt % of manganese, 0.6 wt % to 1.4 wt % of magnesium, less than 0.40 wt % of chromium, less than 0.25 wt % of zinc and less than 0.20 wt % of titanium.

1 . A method for making a strong aluminum alloy including the steps of providing a base material consisting essentially of 92.55% to 97.38% of aluminum, 0.9% to 1.8% of silicon, less than 0.5% of iron, 0.6% to 1.2% of copper, 0.4% to 1.1% of manganese, 0.6% to 1.4% of magnesium, less than 0.40% of chromium, less than 0.25% of zinc and less than 0.20% of titanium; adding 0.06% to 0.16% of zirconium and 0.06% to 0.30% of vanadium to the base material, the above all percentages being by weight, and melting the basic material with the zirconium and vanadium to provide an aluminum alloy having a strength of 400 Mpa after a T6 heat treatment. 
     
     
         2 . The method for making a strong aluminum alloy according to  claim 1 , wherein the step of melting the base material with the zirconium and vanadium includes the step of providing an induction furnace for melting the base material with the zirconium and vanadium in argon to provide an aluminum alloy melt. 
     
     
         3 . The method for making a strong aluminum alloy according to  claim 2 , further including the steps of subjecting the aluminum alloy melt to degassing and slag-removing; turning the aluminum alloy melt into an aluminum alloy nugget by direct chill casting; and
 pressurizing the aluminum alloy nugget to turn the aluminum alloy nugget into another shape.   
     
     
         4 . The method for making a strong aluminum alloy according to  claim 3 , wherein the step of pressurizing the aluminum alloy nugget includes the step of extruding the aluminum alloy nugget. 
     
     
         5 . The method for making a strong aluminum alloy according to  claim 4 , wherein the step of extruding the aluminum alloy nugget includes the step of providing an extruding machine. 
     
     
         6 . The method for making a strong aluminum alloy according to  claim 3 , wherein the step of pressurizing the aluminum alloy nugget includes the step of providing a rolling machine for rolling the aluminum alloy nugget. 
     
     
         7 . The method for making a strong aluminum alloy according to  claim 6 , wherein the step of rolling the aluminum alloy nugget includes the step of providing a rolling machine.