%0 Journal Article %T THE INFLUENCE OF COOLING PROPERTIES OF QUENCHING LIQUIDS AND HEAT TREATMENT MODES ON 40C2 STEEL HARDNESS %A Tyulenev, D.G. %A Sholom, V.Y. %A Abramov, A.N. %A Puzyrkov, D.F. %K quenching, liquid, thermal treatment, characteristics %J Transport engineering %D 2024 %N 2024 %P 8 %I Bryansk State Technical University