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Effects of high concentration hydrogen during GMA welding of duplex stainless steel

Varbai, Balázs and Májlinger, Kornél (2016) Effects of high concentration hydrogen during GMA welding of duplex stainless steel. In: International Scientific Conference on Advances in Mechanical Engineering, October 13-15, 2016, Debrecen, Magyarország.

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Abstract

In our research the effects of high concentration hydrogen (argon + 13.5 % to 15.0 % hydrogen) in the shielding gas was compared to pure argon in case of gas metal arc welding of LDX 2404 lean duplex stainless steel. The hydrogen in the shielding gas increased the weld bead width, penetration depth and the average arc voltage too. In the microstructure and hardness distribution no significant differences were observed with the addition of hydrogen in the argon shielding gas.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology / alkalmazott, műszaki tudományok > TJ Mechanical engineering and machinery / gépészmérnöki tudományok
T Technology / alkalmazott, műszaki tudományok > TN Mining engineering. Metallurgy / bányászat, kohászat, fémipar
Depositing User: Dr. Kornél Májlinger
Date Deposited: 16 Sep 2018 13:05
Last Modified: 16 Sep 2018 13:05
URI: http://real.mtak.hu/id/eprint/84156

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