Publication Details

Cuiuri, D, Norrish, J & Cook, CD, Novel Control Techniques for CO2 Shielded Gas Metal Arc Welding, In David, S, DebRoy, T, Lippold, J, Smartt, H & Vitek, J (Eds), Trends in Welding Research: Proceedings of the 6th International Conference, 2003, p 979-984, USA: ASM International.


The control strategies that have been developed over the past four decades to control the inherently unstable metal transfer in the CO2-shielded GMAW process are described. The fundamental reasons for poor arc stability with CO2 as a shielding gas are discussed. From an understanding of the process behaviour, a new process control technique is proposed, and the future direction of research in this area is discussed.

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