Electron Beam Welding of Duplex Stainless Steel with Regulated Heat Input

Jozef Bárta; Katarína Bártová; Ladislav Schwarz; Peter Krampoťák

doi:10.4028/www.scientific.net/AMR.811.163

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 811Electron Beam Welding of Duplex Stainless Steel...

Electron Beam Welding of Duplex Stainless Steel with Regulated Heat Input

Abstract:

This paper analyses the current state of welding duplex stainless steel (DSS). Despite of well-known procedures of welding DSS by standard methods, nowadays modern technologies brings several issues. Electron beam welding showed the problems with achieving the similar phase composition to base metal. By changing the focusing distance and using the post-heating it was possible to bring extra heat input to weld joint what promoted the creation of austenite. Post-heating was performed by additional electron beam pass. By modification of welding procedure it was possible to obtain the phase composition very similar to base metal.

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Periodical:

Advanced Materials Research (Volume 811)

Pages:

163-168

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.811.163

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Online since:

September 2013

Authors:

Jozef Bárta, Katarína Bártová, Ladislav Schwarz, Peter Krampoťák

Keywords:

Duplex Stainless Steel, Electron Beam Welding, Heat Input, Phase Composition

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