journal article·2019-12

Joining of tubular steel–steel by unconventional magnetic pulse force: environmentally friendly technology

K Shanthala, T N Sreenivasa, H N Narasimha Murthy, Shantharam Dond, Hitesh Choudhury, Archana Sharma

Bulletin of Materials Science· Volume 42· Issue 6
Publisher page

Abstract

Electromagnetic welding uses environment-friendly, unconventional non-contacting magnetic pulse force for joining of two metals. The present paper focuses on the welding of tubular mild steel to two different steel bars, ferrite-pearlite 1018 carbon steel and austenite 304 stainless steel using a 40 kJ electromagnetic instrument. A qualitative metallurgical bonding was obtained for a selected set of optimum process parameters. The bonded region did not show localized melting for a mild steel–carbon steel joint and was found to be homogeneous liquid state bonding for a mild steel–stainless steel joint within a restricted distance of $$3~\upmu \hbox {m}$$ from the interface. Both the joints indicated good peel strength and leak tightness. Simulation studies were validated using experimental parameters such as voltage, current, impact velocity, magnetic flux and displacement.
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Research context

OpenAlex topics: Advanced Welding Techniques Analysis · Welding Techniques and Residual Stresses · Hydrogen embrittlement and corrosion behaviors in metals

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