Effect of welding thermal cycle on structural and phase weld metal transformations for heat-resistant Cr–Mo–V steels


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Resumo

Results are presented for dilatometric and metallographic investigations and determination of microhardness for weld metal made of the materials for the automatic welding of VVER reactor vessels and oil hydrocracking reactor vessels. It is found that small differences in the content of alloying elements, such as nickel, chromium, molybdenum, and vanadium, cause differences in the structure of the weld metal before heat treatment.

Sobre autores

M. Timofeev

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Autor responsável pela correspondência
Email: mail@crism.ru
Rússia, St. Petersburg, 191015

G. Karzov

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
Rússia, St. Petersburg, 191015

S. Galyatkin

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
Rússia, St. Petersburg, 191015

E. Mikhaleva

National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey

Email: mail@crism.ru
Rússia, St. Petersburg, 191015

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