What question did this study set out to answer?

The aim is to explore how alloying elements and heat treatment affect the impact resistance of high-chromium martensitic steels.

February 27, 2026Physical Mesomechanics

Effect of Alloying and Heat Treatment on the Impact Resistance of Low-Nitrogen High-Boron Martensitic High-Chromium Steels

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Authors

ADA. S. DolzhenkoBelgorod National Research University AFA. E. FedoseevaBelgorod National Research University

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Implication

Demonstrates improved impact resistance in high-chromium steels through alloying and heat treatment, indicating enhanced material performance for power units.

Key Points

The aim is to explore how alloying elements and heat treatment affect the impact resistance of high-chromium martensitic steels.
Investigated different alloying elements including rhenium, tungsten, molybdenum, and copper.
Examined various heat treatment processes and quenching temperatures.
Analyzed microstructure features like lath structure and dislocation density.
Decrease in ductile-brittle transition temperature by 15-20°C with added rhenium and adjusted tungsten/molybdenum and carbon levels.
Increase in transition temperature by 25-30°C when copper is added, due to cluster formation.
Impact resistance remains above 100 J × cm-2 at room temperature, suitable for turbine applications.

Cite This Study

Dolzhenko et al. (2026) studied this question.

synapsesocial.com/papers/69a134b8ed1d949a99abe41c https://doi.org/10.1134/s1029959924601970

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Implication

Demonstrates improved impact resistance in high-chromium steels through alloying and heat treatment, indicating enhanced material performance for power units.

Effect of Alloying and Heat Treatment on the Impact Resistance of Low-Nitrogen High-Boron Martensitic High-Chromium Steels

Discussion

Member takes

Implication

Key Points

Cite This Study

Effect of Alloying and Heat Treatment on the Impact Resistance of Low-Nitrogen High-Boron Martensitic High-Chromium Steels

Discussion

Member takes

Implication

Key Points

Cite This Study

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