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The Study of Cast Aluminum Alloy with High Strength and Toughness

Bo Liu

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Abstract

The effects of Mn,Ti,V,Zr on the toughness and the relations of toughness with strength and elongation are discussed and one cast aluminum alloy with high strength and toughness is obtained,reinforced with Ti,Zr,V,B,based on Al Cu Mn alloy in this paper.By a systematic study,the composition of this alloy can be attached:4 6～5 3Cu,0 3～0 5Mn,0 05～0 25Ti,0 05～0 25Zr,0 1～0 25V,0 05～0 1B.The mechanical properties are:σ b 385～405MPa,σ 0 2 222～242MPa,δ 519%～23%,a K181～304kJ/m\+2 at T5 condition,after metal mold casting.

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What this paper is about

The effects of Mn,Ti,V,Zr on the toughness and the relations of toughness with strength and elongation are discussed and one cast aluminum alloy with high strength and toughness is obtained,reinforced with Ti,Zr,V,B,based on Al Cu Mn alloy in this paper.By a systematic study,the composition of this alloy can be attached:4 6～5 3Cu,0 3～0 5Mn,0 05～0 25Ti,0 05～0 25Zr,0 1～0 25V,0 05～0 1B.The mechanical properties are:σ b 385～405MPa,σ 0 2 222～242MPa,δ 519%～23%,a K181～304kJ/m\+2 at T5 condition,after metal mold casting.

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Available abstract

The effects of Mn,Ti,V,Zr on the toughness and the relations of toughness with strength and elongation are discussed and one cast aluminum alloy with high strength and toughness is obtained,reinforced with Ti,Zr,V,B,based on Al Cu Mn alloy in this paper.By a systematic study,the composition of this alloy can be attached:4 6～5 3Cu,0 3～0 5Mn,0 05～0 25Ti,0 05～0 25Zr,0 1～0 25V,0 05～0 1B.The mechanical properties are:σ b 385～405MPa,σ 0 2 222～242MPa,δ 519%～23%,a K181～304kJ/m\+2 at T5 condition,after metal mold casting.

Key concepts: Alloy, Toughness, Materials science, Metallurgy, Casting, Aluminium, Elongation, Ultimate tensile strength

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