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Microstructure Characteristics of Borated Austenitic Stainless Steel Welds

Author

Listed:
  • Dománková Mária
  • 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 24 Trnava,)

  • Adamech Marek
  • Petzová Jana

    (Vuje A.S., Okružná 5, 918 45 Trnava,)

  • Pinke Peter

    (Óbuda University, Donát Bánki Faculty Of Mechanical And Safety Engineering, Institute Of Materials And Manufacturing Sciences 1081 Budapest, Népszínház Utca 8., Hungary)

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.

Suggested Citation

  • Dománková Mária & Bártová Katarína & Adamech Marek & Petzová Jana & Pinke Peter, 2018. "Microstructure Characteristics of Borated Austenitic Stainless Steel Welds," Research Papers Faculty of Materials Science and Technology Slovak University of Technology, Sciendo, vol. 26(43), pages 45-52, September.
    • Handle: RePEc:vrs:repfms:v:26:y:2018:i:43:p:45-52:n:5
    DOI: 10.2478/rput-2018-0029
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