Computational thermodynamics and kinetics-guided re-engineering of a high-performance tool steel

Targeting to obtain fine dispersions of nanoscale precipitates to enhance the mechanical properties of a high-performance tool steel, re-engineering of the alloy composition and heat treatment was guided by computational thermodynamics and kinetics. A prototype alloy was prepared using the designed...

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Bibliographic Details
Published inScripta materialia Vol. 232; p. 115496
Main Authors Zhou, Tao, Spartacus, Gabriel, Dahlström, Alexander, Babu, R. Prasath, Davydok, Anton, Hedström, Peter
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 15.07.2023
Subjects
Advanced characterization
Alloy development
Computational thermodynamics
Precipitation kinetics
Tool steels
Computational thermodynamics
Precipitation kinetics
Alloy development
Tool steels
Advanced characterization
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Summary:Targeting to obtain fine dispersions of nanoscale precipitates to enhance the mechanical properties of a high-performance tool steel, re-engineering of the alloy composition and heat treatment was guided by computational thermodynamics and kinetics. A prototype alloy was prepared using the designed chemistry and heat treatment. Thereafter, advanced microstructural characterization and mechanical testing confirmed the successful design to reach a high number density of (V, Mo)C precipitates with an average diameter of about 5 nm in the peak-hardened condition, after tempering the martensite at 600 °C for 2 h. [Display omitted]
ISSN:1359-6462
1872-8456
1872-8456
DOI:10.1016/j.scriptamat.2023.115496