Pengujian Kekerasan dan Struktur Mikro Sambungan Low-Carbon Steel dan Austenitic Stainless Steel

  • Nugroho Pratomo Ariyanto Jurusan Teknik Mesin, Politeknik Negeri Batam https://orcid.org/0000-0002-1572-6686
  • Andy Parulian Siregar Jurusan Teknik Mesin, Politeknik Negeri Batam
  • Hanifah Widiastuti Jurusan Teknik Mesin, Politeknik Negeri Batam
  • Wowo Rossbandrio Jurusan Teknik Mesin, Politeknik Negeri Batam
  • Aulia Fajrin Jurusan Teknik Mesin, Politeknik Negeri Batam
  • Cahyo Budi Nugroho Jurusan Teknik Mesin, Politeknik Negeri Batam
Keywords: dissimilar metal welding, post-weld heat treatment, hardness

Abstract

High residual stress can occur in stainless steel and carbon steel weld joints due to difference of thermal expansion coefficients. Corrosion-resistant and mechanical properties of weld joint is affected by stainless steel sensitization, resulted by chromium carbide precipitation, and carbon diffusion on heat-affected zone. This study is conducted to investigate post-weld heat treatment effects of stainless steel 316 and AISI 1018 weld joint with 309L filler metal. As the post-weld heat treatment temperature rises between 400 and 700°C, the hardness value decreases. Observed microstructure of heat-affected zone shows dominance of ferrite phase which experiencing grain growth.

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Published
2022-06-30
How to Cite
Ariyanto, N., Siregar, A., Widiastuti, H., Rossbandrio, W., Fajrin, A., & Nugroho, C. (2022). Pengujian Kekerasan dan Struktur Mikro Sambungan Low-Carbon Steel dan Austenitic Stainless Steel. Jurnal Teknologi Dan Riset Terapan (JATRA), 4(1), 40-44. https://doi.org/10.30871/jurnal teknologi dan riset terapan (jatra).v4i1.4111