International Research Journal of Innovations in Engineering and Technology - IRJIET International Open Access, Monthly, Peer Reviewed, Reputed Journal ISSN (online): 2581-3048

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DOI Prefix: 10.47001/IRJIET

Surface Evaluation of Corrosion Test Specimens of Welded AISI 1020 Steel

Abstract

The welding process of AISI 1020 steel causes changes in microstructure and corrosion resistance. The corrosion attack pattern occurring on the steel can be evaluated by observing the corroded surface. This research aims to determine the corrosion attack pattern on welded joints of AISI 1020 steel. Specimens of AISI 1020 steel that have been welded and subjected to post-weld heat treatment (PWHT). PWHT involves heating the specimens to temperatures of 400, 500, and 600°C with a holding time of 1 hour, followed by air cooling. The specimens, both before and after PWHT, were tested for corrosion using polarization techniques. The surface of the specimens after corrosion testing was observed using a microscope. The observation results indicate the presence of pitting corrosion on the specimen surfaces after the corrosion test.

Country : Indonesia

1 Bambang Yunianto2 Yusuf Umardani3 Susilo Adi Widyanto4 Agus Suprihanto

  1. Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia
  2. Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia
  3. Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia
  4. Mechanical Engineering Department, Faculty of Engineering, Diponegoro University, Jl. Prof. H. Soedarto, SH, Tembalang-Semarang 50275, Indonesia

IRJIET, Volume 7, Issue 11, November 2023 pp. 585-588

doi.org/10.47001/IRJIET/2023.711077

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