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Tensile Behaviour of Al5052 Alloy Sheets Annealed at Different Temperatures

With recent development in automotive industries, aluminium alloys have great demand in sheet metal fabrication industries. Sheet metal forming at slightly elevated temperatures is more acceptable in forming operations. The mechanical properties such as yield strength, ultimate tensile strength and percentage of elongation are very influential in determining the formability of sheet metals in various applications. In this paper, tensile property of Al5052 alloy is investigated at constant strain rate under different annealing conditions from room to 350°C. Servo controlled universal testing machine was used for tensile testing. The results of tensile testing indicate that the tensile properties including yield strength, ultimate tensile strength decreases and elongation percentage increases with the increase in annealing temperature. The analysis shows that the formability parameters, strain hardening index and strength coefficient increase with increase in annealing temperatures.