Microstructure and Properties of Plasma Arc Welding with Depth Penetration Keyhole SAF 2205 Duplex Stainless Steel

Beáta Šimeková; Ingrid Kovaříková; Koloman Ulrich

doi:10.4028/www.scientific.net/AMR.664.578

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 664Microstructure and Properties of Plasma Arc...

Microstructure and Properties of Plasma Arc Welding with Depth Penetration Keyhole SAF 2205 Duplex Stainless Steel

Abstract:

The microstructure and properties of plasma arc welding (PAW) with depth penetration keyhole SAF 2205 duplex stainless steel were examined. High-quality, full-penetration welds were successfully produced in the duplex stainless steel by plasma arc welding (PAW) with depth penetration keyhole. The base material had a microstructure consisting of the ferrite matrix with austenite islands. Ferrite content was held between 60 and 70% throughout the weld. The number grain of the ferrite and austenite phases caused increase in hardness and strength within the stir zone. In the evaluation experiment was used metallographic observation of the integrity and structure of the recast, measuring the proportion of austenite-ferrite in recast, hardness measurements.

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Advanced Materials Research (Volume 664)

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578-583

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.664.578

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Online since:

February 2013

Authors:

Beáta Šimeková, Ingrid Kovaříková, Koloman Ulrich

Keywords:

Austenite-Ferrite Composition, Depth Penetration Keyhole, Duplex Stainless Steel, Plasma Arc Welding

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