Electron Beam Welding of Dissimilar Stainless Steel and Maraging Steel Joints

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Abstract
The incorporation of additive manufactured (AM) metal parts to real assemblies is a crucial issue for the increasing of their industrial utilization. The presented research is devoted to the electron beam welding (EBW) of dissimilar steel joints. Dissimilarity is defined by the various types of steel and manufacturing processes used for the creation of specimens. Conventional AISI 316 stainless steel, selective laser melted (SLM) SS 316L stainless steel, and SLM M300 maraging steel were welded at variable parameters in the form of a welding current and a welding velocity. EBW joints were evaluated considering the macroscopic and microscopic characteristics, as well as a reached microhardness. The obtained preliminary results represent important input data for the follow-up experiments focused on the setting of optimal EBW parameters of welding the dissimilar joints including SLM products, with the consideration of their basic macroscopical and microscopical characteristics, mechanical properties, and residual stresses.
Funding Information
  • Agentúra na Podporu Výskumu a Vývoja (APVV-21-0228, VEGA 1/0391/22, KEGA 017TUKE-4/2023, 313011BWN5)
  • Ministerstvo školstva, vedy, výskumu a športu Slovenskej republiky (APVV-21-0228, VEGA 1/0391/22, KEGA 017TUKE-4/2023, 313011BWN5)
  • Operational Program Integrated Infrastructure funded by the ERDF (APVV-21-0228, VEGA 1/0391/22, KEGA 017TUKE-4/2023, 313011BWN5)

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