Resistance microwelding of 316L stainless steel wire to block

Kasper Storgaard Friis, M.I. Khan, Niels Bay, Y. Zhou

Research output: Contribution to journalJournal articleResearchpeer-review


The excellent corrosion resistance of low carbon vacuum melted 316 stainless steel coupled with its non-magnetic properties makes it ideal for biomedical applications. The typical joint geometry for microcomponents, such as medical implants, includes joining of fine wire to a larger block. However, this type of joint has received little attention in the current literature. The present study was conducted to examine the microstructure and mechanical properties of low carbon vacuum melted 316 stainless steel wire welded to a larger block. Results revealed solid state bonding occurring at low currents, while fusion bonding occurred at higher currents. This was due to the highly asymmetrical heat generation resulting in almost complete melting of the wire before the initiation of interfacial melting. This is a distinctly different bonding mechanism compared to previous studies on crossed wire joints.
Original languageEnglish
JournalScience and Technology of Welding and Joining (Online Edition)
Issue number6
Pages (from-to)546-552
Publication statusPublished - 2011


  • Stainless steel
  • Wire
  • Microwelding
  • Resistance welding
  • Biomedical material

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