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Influence of production technology of thick plate rolled from shipbuilding steel of strength level 500 on structure parameters and workability characteristics at low temperatures
https://doi.org/10.22349/1994-6716-2023-116-4-07-19
Abstract
The influence of manufacturing technology of low-alloy steel with yield strength not less than 500 MPa on structure parameters has been studied. Under industrial conditions, two 50 mm thick sheets were produced by different technologies: 1) hot rolling followed by furnace quenching and high-temperature tempering; 2) quenching from rolling heating followed by high-temperature tempering. By means of optical, scanning and transmission electron microscopy the structural features of steel were revealed. Standard mechanical properties and low-temperature serviceability characteristics were determined.
Keywords
high-strength steel,
furnace quenching,
quenching from rolling heating,
rolled products,
structure,
lath martensite,
granular bainite,
lath bainite,
properties
Supporting agencies: Experimental studies were performed on the equipment of the Center for Collective Use «Composition, Structure and Properties of Structural and Functional Materials» of the NRC «Kurchatov Institute» – CRISM «Prometey».
About the Authors
О. V. Sych
NRC «Kurchatov Institute» – CRISM «Prometey»
Russian Federation
Russian Federation
Cand Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
S. V. Korotovskaya
NRC «Kurchatov Institute» – CRISM «Prometey»
Russian Federation
Russian Federation
Cand Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
E. I. Khlusova
NRC «Kurchatov Institute» – CRISM «Prometey»
Russian Federation
Russian Federation
Dr Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
S. N. Petrov
NRC «Kurchatov Institute» – CRISM «Prometey»
Russian Federation
Russian Federation
Dr Sc. (Eng)
49 Shpalernaya St, 191015 St Petersburg
Yu. А. Belikova
NRC «Kurchatov Institute» – CRISM «Prometey»
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
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Review
For citations:
Sych О.V., Korotovskaya S.V., Khlusova E.I., Petrov S.N., Belikova Yu.А. Influence of production technology of thick plate rolled from shipbuilding steel of strength level 500 on structure parameters and workability characteristics at low temperatures. Voprosy Materialovedeniya. 2023;(4(116)):7-19. (In Russ.) https://doi.org/10.22349/1994-6716-2023-116-4-07-19
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