List of Articles Shielding Gas Open Access Article Abstract Page Full-Text 1 - Effects of Shielding Gas on the Mechanical and Microstructural Properties of 409L Ferritic Stainless Steels during Gas Metal Arc Welding A. Feghhi A. Emamikhah Y. Bayat Asl Open Access Article Abstract Page Full-Text 2 - Influence of shielding gas composition on weld structure in pulsed Nd: YAG laser welding M jokar F MalekGhaini M. J. Torkamany