Estimating the Yield Point from the Structural Parameters of Ferrite–Pearlite Steels

The influence of various strengthening mechanisms on the yield point of carbon and low-alloy steels is investigated. For hot-rolled St.5ps steel, the yield point is most affected by solid-solution hardening and grain-boundary hardening; for 16G2AF low-alloy steel, these mechanisms are also accompani...

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Bibliographic Details
Published in:Russian engineering research 2023-02, Vol.43 (2), p.154-158
Main Authors: Kanaev, A. T., Remshev, E. Yu, Moldakhmetova, A. E., Kalugina, M. S.
Format: Article
Language:English
Subjects:
Dislocation density
Dispersion hardening alloys
Engineering
Engineering Design
Hot rolling
Low alloy steels
Pearlite
Solid solutions
Solution strengthening
Thermomechanical treatment
Yield point
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Summary:The influence of various strengthening mechanisms on the yield point of carbon and low-alloy steels is investigated. For hot-rolled St.5ps steel, the yield point is most affected by solid-solution hardening and grain-boundary hardening; for 16G2AF low-alloy steel, these mechanisms are also accompanied by dispersional hardening. Thermomechanical treatment of St.5ps steel increases the dislocational hardening as a result of change in the density of dislocations and their retention in accelerated cooling of hot-deformed austenite on rolling.
ISSN:1068-798X
1934-8088
DOI:10.3103/S1068798X23030127