Aluminium-based alloy

FIELD: metallurgy.

SUBSTANCE: particularly it concerns alloys on aluminium basis, which can be used in automotive an aircraft industry. Alloy on aluminium base contains the following elements, wt %: zinc 0.2-0.4, antimony 0.001-0.003, titanium 0.001-0.003, silver 0.2-0.3, cobalt 0.5-0.7, the rest is aluminium.

EFFECT: production of alloy of enhanced hardness.

1 tbl

 

The invention relates to the field of metallurgy, in particular to compositions of alloys based on aluminium, which can be used in automotive, aerospace.

Known alloy based on aluminum, containing, wt.%: zinc of 0.001 to 0.4; the antimony of 0.001 to 0.04; titanium 0,001-0,015; aluminum - rest [1].

The objective of the invention is to increase the strength of the alloy based on aluminium.

The technical result is achieved in that the base alloy of aluminum containing zinc, antimony, titanium, further comprises silver and cobalt in the following ratio, wt.%: zinc 0,2-0,4; antimony 0,001-0,003; titanium 0,001-0,003; silver 0,2-0,3; cobalt 0,5-0,7; aluminum - rest.

The table shows the composition of the alloy.

Table
ComponentsContent, wt.% in compounds
123
Zinc0,20,30,4
Antimony0,0030,0020,001
Titanium 0,0010,0020,003
Silver0,30,250,2
Cobalt0,50,60,7
Aluminumrestrestrest
Ultimate tensile strength, MPa~90~90~90

Increasing the strength of the base alloy of aluminum is achieved due to the complex influence of the components in its composition. Zinc and cobalt contribute to improving the strength of the alloy increases the resistance to plastic deformation. Silver increases the elasticity of the alloy based on aluminum. Titanium and antimony pulverized alloy structural components.

The smelted alloy submerged in electric furnaces. Products subjected to heat treatment: slowly heated in a furnace to a temperature of 430C aged 15-18 h, then cooled in water with a temperature of about 100C or in oil from a temperature of about 50C.

Sources of information

1. A.S. No. 1584413 of the USSR, 1990.

Alloy based on al the MINIA, containing zinc, antimony, titanium, characterized in that it further contains silver and cobalt in the following ratio, wt.%: zinc 0,2-0,4, antimony 0,001-0,003, titanium 0,001-0,003, silver of 0.2-0.3, cobalt 0,5-0,7, aluminum - rest.



 

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