A Review: Effect of Different Shielding Gas on Weld Penetration in Stainless Steel in GTAW Process

Autori

  • Ashish Harshadbhai Pandya
  • G.D. Acharya Department of Production Engineering, Atmiya Institute of Technology, Rajkot, Gujarat, India

Parole chiave:

Depth of penetration, GTAW, mechanical properties, parametric effect, weld bead geometry

Abstract

Gas tungsten arc welding (GTAW) is high quality and high precision welding process which is suitable for welding thin metals. Inert gases as helium and argon, carbon dioxide and nitrogen are used as a shielding gas to prevent the weld bead from air, dust and other contaminations in welding. There are so many welding process parameters which affect the weld quality in GTAW. Important process parameters which mainly affect the weld quality are welding current, arc voltage, welding speed, gas flow rate, heat input, and specimen thickness. Bead geometry is an important parameter for GTAW process. Depth of penetration is main requirement in this paper, and how to increase the depth of penetration is the key feature for this work.Cite this ArticlePandya A, Acharya GD. A Review:Effect of Different Shielding Gas onWeld Penetration in Stainless Steel inGTAW Process. Trends in MechanicalEngineering & Technology. 2017; 7(1):13–18p.

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Pubblicato

2017-03-06

Fascicolo

V. 7 N. 1 (2017)

Sezione

Review Articles

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