BIMETAL FRICTION STIR WELDING OF ALUMINUM TO MAGNESIUM

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POURAHMAD P.; ABBASI M.; MEHRABI H.A.

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Paper Information

Journal: Journal of Advanced Materials and Processing Year:2012 | Volume:1 | Issue:1 Page(s): 27-38

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Title

BIMETAL FRICTION STIR WELDING OF ALUMINUM TO MAGNESIUM

Author(s)

POURAHMAD P. | ABBASI M. | MEHRABI H.A. | Issue Writer Certificate

Keywords

DISSIMILAR WELDING

FRICTION STIR WELDING

INTERFACE

MATERIAL FLOW

INTERMETALLIC COMPOUNDS

MECHANICAL PROPERTIES

Abstract

FSW MATERIAL FLOW and phase transformation were studied at the INTERFACE of DISSIMILAR WELDING of Al 6013 to Mg. Defect free butt weld was obtained when aluminum and magnesium test plates were placed in the advancing side and retreating side respectively, and the tool was placed 1 mm off the weld centerline into the aluminum side. In order to understand how the materials flow during FSW, steel shots were implanted as indexes into the test plate’s intimate face and welding was performed with determined optimum parameters. X-ray images were used to evaluate secondary positions of the steel shots at weld zone. It was revealed that steel shots implanted in the advancing side test plate were penetrated from advancing side into the retreating side with a relatively large rotational displacement of a. But shots implanted in retreating side test plate remained only in retreating side, without penetrating into the advancing side, and displaced by a low angle of b. It could be concluded that to reach defect free welds by FSW between two dissimilar metals, the tool should be inserted in harder metal and harder metal should be placed in the advancing side too. EDS analysis was performed in order to study formation and distribution of intermetallic phases in the welds INTERFACE. Two INTERMETALLIC COMPOUNDS formed sequentially at Al6013/Mg INTERFACE were Al3Mg2 and Al12Mg17 in weld condition. Welded specimens were heat treated and their effects on MECHANICAL PROPERTIES of welds and formation of new intermetallic layers were investigated.

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APA: Copy

POURAHMAD, P., ABBASI, M., & MEHRABI, H.A.. (2012). BIMETAL FRICTION STIR WELDING OF ALUMINUM TO MAGNESIUM. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), 1(1), 27-38. SID. https://sid.ir/paper/596074/en

Vancouver: Copy

POURAHMAD P., ABBASI M., MEHRABI H.A.. BIMETAL FRICTION STIR WELDING OF ALUMINUM TO MAGNESIUM. JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE)[Internet]. 2012;1(1):27-38. Available from: https://sid.ir/paper/596074/en

IEEE: Copy

P. POURAHMAD, M. ABBASI, and H.A. MEHRABI, “BIMETAL FRICTION STIR WELDING OF ALUMINUM TO MAGNESIUM,” JOURNAL OF ADVANCED MATERIALS AND PROCESSING (JOURNAL OF MATERIALS SCIENCE), vol. 1, no. 1, pp. 27–38, 2012, [Online]. Available: https://sid.ir/paper/596074/en

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