Effect of Shielding Gas on Weldmetal Properties in Flux Cored Arc Welding

Date Published: 2008-09-16

Paper Number: 2008-01-2285

DOI: 10.4271/2008-01-2285

Citation:

Kumaragurubaran, B., Senthilkuma, T., Vivekanandan, M., and Balasubramanian, V., "Effect of Shielding Gas on Weldmetal Properties in Flux Cored Arc Welding," SAE Technical Paper 2008-01-2285, 2008, doi:10.4271/2008-01-2285.

Author(s):

B. Kumaragurubaran - Anna University Tiruchirappalli
T. Senthilkuma - Anna University Tiruchirappalli
M. Vivekanandan - Anna University Tiruchirappalli
V. Balasubramanian - Annamalai Univ., Chidambaram

Abstract:

The E71T-5 basic type flux cored wire is designed for 100% CO ₂ shielding gas. But this wire gives harsh arc, spatter and poor slag removal with 100% CO ₂ shielding gas. The arc running characteristics of the E71T-5 flux cored wire is very poor with 100% CO ₂ shielding. However, the same E71T-5 basic type flux cored wire when used with 80% Ar +20%CO ₂ mixed gas shielding the process had stable arc, free from spatter and excellent slag detachability. The effect of shielding gas on weld metal properties (mechanical, chemical and metallurgical properties) was investigated in this paper.

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See papers presented at Aerospace Manufacturing and Automated Fastening Conference & Exhibition, September 2008, North Charleston, SC, USA, Session: Advanced Metal Materials, Fabrication, and Joining Processes (Part 1 of 2)

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