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Influence of Processing Parameters on Microstructure and Mechanical Properties of Die Casting AM50 Alloy

Duan Hua-wei

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Abstract

The effect of die casting processing variables on mechanical properties of AM50 alloy has been studied on the basis of orthogonal experiment , microstructure and properties of die casting AM50 alloy are analyzed.The result shows the order of influential factor as: pouring temperature,injection velocity and mold temperature. The influence of pouring temperature on mechanical properties of AM50 alloy is the most remarkable. At a proper value of these factors, the mechanical properties of AM50 alloy could reach.σ_b?=225～232MPa,δ_5?=8.0%～11.0%, HBS 62～70 and A_k?=8～10J. The die casting motorbike wheel hub of magnesium alloy was produced by controlling quality of molten magnesium alloy and optimizing die casting processing parameters in cold chamber press, its quality was examinated, according with technology standard.

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What this paper is about

The effect of die casting processing variables on mechanical properties of AM50 alloy has been studied on the basis of orthogonal experiment , microstructure and properties of die casting AM50 alloy are analyzed.The result shows the order of influential factor as: pouring temperature,injection velocity and mold temperature. The influence of pouring temperature on mechanical properties of AM50 alloy is the most remarkable. At a proper value of these factors, the mechanical properties of AM50 alloy could reach.σ_b?=225～232MPa,δ_5?=8.0%～11.0%, HBS 62～70 and A_k?=8～10J. The die casting motorbike wheel hub of magnesium alloy was produced by controlling quality of molten magnesium alloy and optimizing die casting processing parameters in cold chamber press, its quality was examinated, according with technology standard.

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Available abstract

The effect of die casting processing variables on mechanical properties of AM50 alloy has been studied on the basis of orthogonal experiment , microstructure and properties of die casting AM50 alloy are analyzed.The result shows the order of influential factor as: pouring temperature,injection velocity and mold temperature. The influence of pouring temperature on mechanical properties of AM50 alloy is the most remarkable. At a proper value of these factors, the mechanical properties of AM50 alloy could reach.σ_b?=225～232MPa,δ_5?=8.0%～11.0%, HBS 62～70 and A_k?=8～10J. The die casting motorbike wheel hub of magnesium alloy was produced by controlling quality of molten magnesium alloy and optimizing die casting processing parameters in cold chamber press, its quality was examinated, according with technology standard.

Key concepts: Alloy, Microstructure, Die casting, Die (integrated circuit), Metallurgy, Materials science, Casting, Magnesium alloy

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