Abstract

Welding is a basic manufacturing process for the manufacture of components or parts with noble mechanical properties. Resistance Spot Welding (RSW) is regularly used as a successful joining method for a variety of jobs in the automotive and manufacturing fields. Precipitation hardening (PH) steels are known to be significant as a structural material among the emerging light alloy steels and are used for fabricating components by conventional metal working processes. The PH group of stainless steel is usually considered to be weldable by the common fusion and resistance technique. A review is carried out on resistance spot welding with different materials, optimization techniques are discussed. Best properties of PH steels are outlined in order to improve the strength properties with conventional welding, analysis on micro-structural variations

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