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- Title
Influence of Structural Transformations on the Mechanical Properties of Welded Joints of Armor Steels.
- Authors
Kostin, V. А.; Poznyakov, V. D.; Berdnikova, O. М.; Zhukov, V. V.; Alekseyenko, T. O.; Alekseyenko, I. I.
- Abstract
We experimentally constructed and computed thermokinetic diagrams of decomposition of supercooled austenite of Ramor-500 and Armox-500 armor steels. The temperatures of phase transformations, microstructure, and mechanical properties of the metal of the heat-affected zone are determined as a result of the simulation of thermal deformation welding at different cooling rates in a Gleeble-3800 installation. We determine the limit values of the cooling rate when the metal of the near-weld zone of welded joints of these steels can be softened down to a level lower than the minimum guaranteed characteristics of strength of the base metal.
- Subjects
WELDED joints; MECHANICAL properties of metals; STEEL; PHASE transitions
- Publication
Materials Science, 2021, Vol 56, Issue 4, p472
- ISSN
1068-820X
- Publication type
Article
- DOI
10.1007/s11003-021-00453-1