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

S. A. Nikulin; A. B. Rozhnov; V. Yu. Turilina; V. I. Zabolotnikova; A. A. Komissarov; T. A. Nechaikina

doi:10.1134/S0036029517040164

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

Авторы: Nikulin S.¹, Rozhnov A.¹, Turilina V.¹, Zabolotnikova V.¹, Komissarov A.¹, Nechaikina T.¹
Учреждения:
1. National University of Science and Technology MISiS
Выпуск: Том 2017, № 4 (2017)
Страницы: 298-301
Раздел: Applied Problems of Strength and Plasticity
URL: https://journals.rcsi.science/0036-0295/article/view/171426
DOI: https://doi.org/10.1134/S0036029517040164
ID: 171426

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Аннотация

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.