Liu Yun
Abstract
In order to improve strength and toughness of 702A aluminum alloy,through orthogonal experiment and control of melting process,the determined alloy composition is(wt%) 7Si,0.5Mg,0.1Mn,1.5Cu.After the solution heat treatment and aging treatment,the mechanical properties of 702A aluminum alloy achieve σ≥350MPa,δ≥5%.
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In order to improve strength and toughness of 702A aluminum alloy,through orthogonal experiment and control of melting process,the determined alloy composition is(wt%) 7Si,0.5Mg,0.1Mn,1.5Cu.After the solution heat treatment and aging treatment,the mechanical properties of 702A aluminum alloy achieve σ≥350MPa,δ≥5%.
Key concepts: Alloy, Materials science, Alonizing, Aluminium, Metallurgy, Toughness, 6111 aluminium alloy, 6063 aluminium alloy