Formation of Gradient Structure–Phase States in the Surface Layers of 100-m Differentially Quenched Rails
- Авторлар: Gromov V.1, Yur’ev A.2, Ivanov Y.3,4, Morozov K.2, Konovalov S.5, Peregudov O.6
-
Мекемелер:
- Siberian State Industrial University
- OAO EVRAZ Joint West Siberian Metallurgical Works
- Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences
- National Research Tomsk Polytechnic University
- Samara National Research University
- Omsk State Technical University
- Шығарылым: Том 2019, № 7 (2019)
- Беттер: 710-715
- Бөлім: Article
- URL: https://journals.rcsi.science/0036-0295/article/view/173355
- DOI: https://doi.org/10.1134/S003602951907005X
- ID: 173355
Дәйексөз келтіру
Аннотация
Abstract—The evolution of the structural-phase states in the surface layers of the head of differentially quenched DT350 rails to a depth of 10 mm are studied by optical microscopy and transmission electron diffraction microscopy along the central axis after the passage of a tonnage of 691.8 mln t gross in the experimental ring of AO VNIIZhT (proof ground for railway transport). The formation of a gradient structure is revealed. In this structure, the scalar and excess dislocation densities, the lattice curvature–torsion amplitude, and the degree of deformation-induced transformation of lamellar pearlite change gradually. The mechanisms of fracture of cementite lamellae are considered.
Негізгі сөздер
Авторлар туралы
V. Gromov
Siberian State Industrial University
Хат алмасуға жауапты Автор.
Email: gromov@physics.sibsiu.ru
Ресей, Novokuznetsk
A. Yur’ev
OAO EVRAZ Joint West Siberian Metallurgical Works
Email: gromov@physics.sibsiu.ru
Ресей, Novokuznetsk
Yu. Ivanov
Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences; National Research Tomsk Polytechnic University
Email: gromov@physics.sibsiu.ru
Ресей, Tomsk; Tomsk
K. Morozov
OAO EVRAZ Joint West Siberian Metallurgical Works
Email: gromov@physics.sibsiu.ru
Ресей, Novokuznetsk
S. Konovalov
Samara National Research University
Email: gromov@physics.sibsiu.ru
Ресей, Samara
O. Peregudov
Omsk State Technical University
Email: gromov@physics.sibsiu.ru
Ресей, Omsk
![](/img/style/loading.gif)