Microstructure Characteristics of Borated Austenitic Stainless Steel Welds

Dománková Mária (), Adamech Marek (), Petzová Jana (), Bártová Katarína () and Pinke Peter ()
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Dománková Mária: Slovak University Of Technology In Bratislava, Faculty Of Materials Science And Technology In Trnava, Institute Of Materials Science, Ulica Jána Bottu 2781/25, 917 24Trnava
Adamech Marek: Vuje A.S., Okružná 5, 918 45Trnava
Petzová Jana: Vuje A.S., Okružná 5, 918 45Trnava
Bártová Katarína: Slovak University Of Technology In Bratislava, Faculty Of Materials Science And Technology In Trnava, Institute Of Materials Science, Ulica Jána Bottu 2781/25, 917 24Trnava
Pinke Peter: Óbuda University, Donát Bánki Faculty Of Mechanical And Safety Engineering, Institute Of Materials And Manufacturing Sciences 1081 Budapest, Népszínház Utca 8., Hungary

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2018, vol. 26, issue 43, 45-52

Abstract: Borated austenitic stainless steel is used in nuclear industry due to the high neutron absorption efficiency. The plasma, laser and electron beam welding experiments were used for the study of the weld joints microstructure. The microstructure changes caused by welding process were observed by light optical microscopy and transmission electron microscopy. The microstructural characterization and microchemical analysis showed significant changes of the phase composition in the weld metal mainly. The austenitic dendrites were surrounded by eutectics, which were the mixture of the M2(C,B) and M23(C,B) borocarbides, δ-ferrite and austenite.

Keywords: Borated austenitic stainless steel; welding; microstructure; transmission electron microscopy (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:26:y:2018:i:43:p:45-52:n:5

DOI: 10.2478/rput-2018-0029

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