Effect of volume–surface quenching on the impact toughness of 20GL steel intended for cast freight bogie solebars

The effect of volume–surface quenching (VSQ) by a rapidly moving water flow on the impact toughness at–60°C (KCV –60 ) of cast low-carbon 20GL steel, which is used to produce freight bogie solebars, is studied. VSQ is shown to increase KCV –60 of 20GL steel by a factor of 1.7–2.0 at a higher static...

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Bibliographic Details
Published inRussian metallurgy Metally Vol. 2017; no. 4; pp. 298 - 301
Main Authors Nikulin, S. A., Rozhnov, A. B., Turilina, V. Yu, Zabolotnikova, V. I., Komissarov, A. A., Nechaikina, T. A.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.04.2017
Springer Nature B.V
Subjects
Alloys
Applied Problems of Strength and Plasticity
Chemistry and Materials Science
Fatigue strength
Impact strength
Materials Science
Metallic Materials
Steels
Toughness
Undercarriages
Water flow
20GL steel
structure of fracture surfaces
volume–surface quenching
normalizing
impact toughness
freight bogie solebar
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Summary:The effect of volume–surface quenching (VSQ) by a rapidly moving water flow on the impact toughness at–60°C (KCV –60 ) of cast low-carbon 20GL steel, which is used to produce freight bogie solebars, is studied. VSQ is shown to increase KCV –60 of 20GL steel by a factor of 1.7–2.0 at a higher static and cyclic strength as compared to the normalized state.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029517040164