Underwater Friction Welding of Low Carbon Steel

Abstract

In this study, an attempt was made to obtain a welded joint from the underwater friction welding (UFW) process. The workpiece material used in this experiment was AISI 1018 low carbon steel. The experiment was carried out on a friction welding machine which was designed and manufactured for this purpose. The UFW process was carried out by varying the spindle rotation used to rotate one of the workpieces. The friction force was kept constant. The quality of the welded joints resulting from UFW was determined by measuring the misalignment that occurs in the weld joint, the macro and micro structures formed, as well as the mechanical properties of the welded joint. For comparison, friction welding in air (FW) was also carried out. The results obtained indicate that low spindle rotation results in high misalignment of the welded joint between the two workpieces. During the UFW process, rapid cooling occurs so that the microstructure of the weld metal, TMAZ and HAZ is dominated by a fine pearlite phase so that the hardness and strength of the weld joint are higher than those produced by FW process in air.

Country : Indonesia

1 Rusnaldy2 R. R. Priambadha3 Paryanto4 S. A. Widyanto

  1. Department of Mechanical Engineering, Diponegoro University, Jl. Prof Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia
  2. Department of Mechanical Engineering, Diponegoro University, Jl. Prof Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia
  3. Department of Mechanical Engineering, Diponegoro University, Jl. Prof Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia
  4. Department of Mechanical Engineering, Diponegoro University, Jl. Prof Soedarto, SH, Kampus Undip Tembalang, Semarang, Indonesia

IRJIET, Volume 8, Issue 5, May 2024 pp. 99-103

doi.org/10.47001/IRJIET/2024.805015

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