Quantitative Analysis of Carbide Phases in Medium-Carbon Steel After Low-Temperature Tempering

Structural features of high-strength wear-resistant steel formed after tempering at different temperatures are investigated. Temperature dependences are determined for steel hardness and impact strength. Temperature ranges are recorded for intermediate carbide formation, cementite particle formation...

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Bibliographic Details
Published in:Metallurgist (New York) 2019-01, Vol.62 (9-10), p.926-936
Main Authors: Ryabov, V. V., Khlusova, E. I., Zisman, A. A., Rogozhkin, S. V., Nikitin, A. A., Luk’yanchuk, A. A.
Format: Article
Language:English
Subjects:
Alloying elements
Analysis
Austenite
Carbides
Carbon steel
Cemented carbides
Cementite
Characterization and Evaluation of Materials
Chemistry and Materials Science
Dependence
Electron microscopy
Hardness (Materials)
Impact strength
Inhomogeneity
Intermetallic compounds
Iron compounds
Low temperature
Materials Science
Media executives
Medium carbon steels
Metallic Materials
Metals (Materials)
Microscopy
Neutron diffraction
Quantitative analysis
Retained austenite
Specialty metals industry
Temperature
Tempering
Tomography
Transmission electron microscopy
Wear resistance
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Summary:Structural features of high-strength wear-resistant steel formed after tempering at different temperatures are investigated. Temperature dependences are determined for steel hardness and impact strength. Temperature ranges are recorded for intermediate carbide formation, cementite particle formation, and residual austenite decomposition. The lath structure and carbide particle distribution are analyzed using transmission electron microscopy. Neutron diffraction is used to study the dependence of the proportion of retained austenite on temperature. Atom probe tomography is used to analyze micro-inhomogeneity in carbon and alloying element distribution.
ISSN:0026-0894
1573-8892
DOI:10.1007/s11015-019-00739-5