<abstract xmlns="http://www.w3.org/1999/xhtml">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.</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.

Microstructure Characteristics of Borated Austenitic Stainless Steel Welds

Slovak University Of Technology In Bratislava

Faculty Of Materials Science And Technology In Trnava, Institute Of Materials Science

Donát Bánki Faculty Of Mechanical And Safety Engineering, Institute Of Materials And Manufacturing Sciences

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Microstructure Characteristics of Borated Austenitic Stainless Steel Welds"}

Borated austenitic stainless steel is used in nuclear industry due to the high neutron absorption efficiency. The plasma, laser and electron beam welding...

Microstructure Characteristics of Borated Austenitic Stainless Steel Welds

Published Online: Feb 23, 2019

Page range: 45 - 52

Received: Nov 19, 2018

Accepted: Dec 19, 2018

DOI: https://doi.org/10.2478/rput-2018-0029

Keywords
Borated austenitic stainless steel, welding, microstructure, transmission electron microscopy

© 2018 Mária Dománková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Microstructure Characteristics of Borated Austenitic Stainless Steel Welds

Published Online: Feb 23, 2019

Page range: 45 - 52

Received: Nov 19, 2018

Accepted: Dec 19, 2018

DOI: https://doi.org/10.2478/rput-2018-0029

KeywordsBorated austenitic stainless steel, welding, microstructure, transmission electron microscopy

© 2018 Mária Dománková et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Borated austenitic stainless steel, welding, microstructure, transmission electron microscopy