Influences of Welding Speed and Speed of Pin Tool Rotation from Semi-Solid State Joining of Aluminum Alloy SSM 5083 Covered by CO2 Gas

Authors

  • Thongchai Khrueaphue 3Program of Welding Engineering, Faculty of Technical Education, Rajamangala University of Technology Isan, Khon Kaen
  • Parinyawatr Dhinnabutra 3Program of Welding Engineering, Faculty of Technical Education, Rajamangala University of Technology Isan, Khon Kaen
  • Sumpao Yotee 3Program of Welding Engineering, Faculty of Technical Education, Rajamangala University of Technology Isan, Khon Kaen
  • Prapas Muangjunburee Department of Mining and Materials Engineering, Prince of Songkla University

Keywords:

Semi-Solid State Joining, Microstructure of Aluminum Alloy SSM 5083, Welding Parameters

Abstract

The purpose of this research was to examine the butt joint welding of aluminum alloy SSM 5083 with semi-solid metal processing. The variables in welding were the rotation speed of tool pin at 1,200 and 1,500 rpm. The welding speed was at 120 and 160 mm/min. The welding temperature of carburizing flame was at 590 to    610 ˚C and CO2 was applied to cover the welding line.

After the welding experiment, there was no crack which occurred from not joining condition on both top and down welding area. The porosity was occurred less in macro structure the rotation speed of tool pin at 1,200 rpm with welding speed at 160 mm/min. The micro structure, in the rotation speed of tool pin at 1,200 rpm with welding speed at 160 mm/min, there was spheroidal structure and grain dispersed regularly. On the rotation speed of tool pin at 1,500 rpm of both welding speed, the dendrite structure was occurred. It can be concluded that the rotation speed of tool pin at 1,200 rpm is most suitable for semi-solid state joining.

References

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Published

2018-12-25

Issue

Vol. 11 No. 2 (2018): กรกฎาคม 2561 - ธันวาคม 2561

Section

บทความวิจัย