Effect of Chemical Composition of Nut Material on the Fracture Behavior in Nut Projection Welding of Hot-Stamped Steel Sheet

Lim, Sung-Sang; Kim, Young-Tae; Chun, Eun−Joon; Nam, Ki-Sung; Park, Young-Wan; Kim, Jaewan; Lee, Sun-Young; Choi, In Soo; Park, Yeong-Do

doi:10.5781/jwj.2016.34.2.1

Cited by 5 publications

(1 citation statement)

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“…Amongst several ways to define the resistance spot weldability, the weldable current range (WCR) is the most common and effective criterion for weldability as-sessment 17,[20][21][22] . WCR is defined as the current range between the minimum current required to obtain a nugget diameter of 4√t, where 't' is the sheet thickness, and a maximum current at which expulsion occurs 19) .…”

Section: Weldability and Nugget Formationmentioning

confidence: 99%

The Resistance Spot Weldability of a Stainless Steel/Aluminium/Low Carbon Steel 3-Ply Clad Sheet

Murugan

Cheepu

Vijayan

et al. 2018

Journal of Welding and Joining

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The present paper is aimed at investigating the resistance spot weldability of a 3-ply clad sheet comprised of stainless steel (SS), aluminium (Al) and low carbon steel (LCS). The weldability was assessed with the help of the weldable current range (WCR), the current range between the minimum current required to produce 4√t nugget diameter and a maximum current at which expulsion occurs. However, electrode-sheet sticking was found as the limiting factor instead of expulsion. It was observed that the introduction of aluminium to the SS/LCS clad increased the weld current range by shifting the expulsion to higher current, but resulted in melting of the electrode and subsequent electrode-sheet sticking.

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Section: Weldability and Nugget Formationmentioning

confidence: 99%