FORMABILITY OF 6063 ALUMINUM ALLOY TUBE AT HIGH TEMPERATURE USING MULTI-BULGE TEST BY HOT METAL GAS FORMING PROCESS

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HAJINEJAD SORKHI MOHSEN; HOSSEINIPOUR SEYED JAMAL; JAMSHIDI AVAL HAMED

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 185-192

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Title

FORMABILITY OF 6063 ALUMINUM ALLOY TUBE AT HIGH TEMPERATURE USING MULTI-BULGE TEST BY HOT METAL GAS FORMING PROCESS

Author(s)

HAJINEJAD SORKHI MOHSEN | HOSSEINIPOUR SEYED JAMAL | JAMSHIDI AVAL HAMED | Issue Writer Certificate

Keywords

HOT METAL GAS FORMINGQ1

TUBE FREE-BULGE TESTQ1

TUBE MULTI-BULGE TESTQ1

ALUMINUM ALLOY 6063Q1

Abstract

Due to the low formability of aluminum alloys at ambient temperature, forming of these alloys is performed at high temperature. Research has shown that the results of simple tensile test to predict the materials behavior at high temperatures are not sufficiently accurate to predict the formability of aluminum tubes at high temperature. The mechanical properties of the tube are very important at high temperatures. In this study the formability of 6063 aluminum alloy tubes are investigated by free bulging test at temperature range 430oC to 600oC. Then the mechanical properties including flow stress, strain rate sensitivity coefficient and strength constant are obtained using TUBE MULTI-BULGE TEST at temperature range 530oC to 580oC. For this purpose, hot metal tube gas forming process is used and the effect of process parameters such as the effect of temperature, pressure and time on the expansion ratio and height of the bulge are studied. The results show that the maximum expansion ratio is 58% at 580oC. Bursting pressure decreases from 1.9MPa to 0.6MPa with temperature increasing from 430oC to 600oC. The bulge height increases with increasing forming time at constant pressure. Also, with increasing temperature in the temperature range 530oC to 580oC the flow stress and strength constant decrease and strain rate sensitivity coefficient increases.

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APA: Copy

HAJINEJAD SORKHI, MOHSEN, HOSSEINIPOUR, SEYED JAMAL, & JAMSHIDI AVAL, HAMED. (2016). FORMABILITY OF 6063 ALUMINUM ALLOY TUBE AT HIGH TEMPERATURE USING MULTI-BULGE TEST BY HOT METAL GAS FORMING PROCESS. MODARES MECHANICAL ENGINEERING, 16(3), 185-192. SID. https://sid.ir/paper/178512/en

Vancouver: Copy

HAJINEJAD SORKHI MOHSEN, HOSSEINIPOUR SEYED JAMAL, JAMSHIDI AVAL HAMED. FORMABILITY OF 6063 ALUMINUM ALLOY TUBE AT HIGH TEMPERATURE USING MULTI-BULGE TEST BY HOT METAL GAS FORMING PROCESS. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):185-192. Available from: https://sid.ir/paper/178512/en

IEEE: Copy

MOHSEN HAJINEJAD SORKHI, SEYED JAMAL HOSSEINIPOUR, and HAMED JAMSHIDI AVAL, “FORMABILITY OF 6063 ALUMINUM ALLOY TUBE AT HIGH TEMPERATURE USING MULTI-BULGE TEST BY HOT METAL GAS FORMING PROCESS,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 185–192, 2016, [Online]. Available: https://sid.ir/paper/178512/en

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