PENGARUH KECEPATAN PUTARAN DAN DWELL TIME TERHADAP DISTRIBUSI ZN DALAM SAMBUNGAN DISSIMILAR FRICTION STIR SPOT WELDING ALUMINIUM ALLOY 5083 H321 DENGAN GALVANIZED STEEL

N, Ardian Wicahyo (2017) PENGARUH KECEPATAN PUTARAN DAN DWELL TIME TERHADAP DISTRIBUSI ZN DALAM SAMBUNGAN DISSIMILAR FRICTION STIR SPOT WELDING ALUMINIUM ALLOY 5083 H321 DENGAN GALVANIZED STEEL. Other thesis, Universitas Sebelas Maret.

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      Abstract

      A dissimilar metal welding is done to save fuel and prevent environmental pollution on all types of vehicles. The most common metals used in dissimilar metals welding are aluminum alloy and steel. A good method used to join Al to steel is FSSW. It has many advantages, namely: having ability to work on solid phase, having good metallurgical structure at the joints, and having good micro-structure. Zn in FSSW functions to increase the strength of the joint by Zn diffused reaction on the joint interface. In this study the effects of rotational speed tool (1000 rpm, 1200 rpm, 1600 rpm, and 2000 rpm) and dwell time (3s, 5s, and 7s) on Zn distribution in FSSW welding between AA 5083 H321 and galvanized steel were observed. A joint lap configuration with AA 5083 H321 (3 mm) plate on the top and galvanized steel plate (1 mm) at the bottom was used in the study. The amount of Zn element contained in the welded joint results was also examined by using tests. The results obtained in FSSW welding between aluminum alloy and galvanized steel show that the increasing of rotational speed and dwell time made the plastic material flow bigger and Zn distribution wider. The widest Zn distribution was indicated on a variation with the highest rotational speed of 2000 rpm and the highest dwell time of 7s.

      Item Type: Thesis (Other)
      Subjects: T Technology > TJ Mechanical engineering and machinery
      Divisions: Fakultas Teknik
      Fakultas Teknik > Teknik Mesin
      Depositing User: rifqi imaduddin
      Date Deposited: 20 Oct 2017 14:38
      Last Modified: 20 Oct 2017 14:38
      URI: https://eprints.uns.ac.id/id/eprint/35281

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