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ABSTRACT
The paper demonstrates the positive experience of fighting hot cracks in electron beam welding of molybdenum alloy СМ2А by double passage by an electron beam, which led to a decrease in the content of harmful impurities in the seam. The structure of the compounds obtained is shown, and their hardness and the content of harmful impurities are measured.
Additional information
Funding
The original work was carried out in the Federal State Budgetary Educational Institution of Higher Education, National Research University ‘Moscow Power Engineering Institute’ with the financial support of the Ministry of Education and Science of the Russian Federation in the framework of execution of the basic part of the State Order, project No. [11.8088.2017/8.9].