Zobrazeno 1 - 10
of 265
pro vyhledávání: '"HEAVY RAIL"'
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 4548-4556 (2024)
In this paper, the directional modification behavior of rare earth Ce on sulfide inclusions in steel is studied by thermodynamic calculation and experiment methods, and the mechanism of directional modification of rare earth Ce on sulfide inclusions
Externí odkaz:
https://doaj.org/article/2c51764db434490988ba23fb1d5cd5c1
Publikováno v:
工程科学学报, Vol 46, Iss 11, Pp 2000-2009 (2024)
Rolling contact fatigue and wear failure are the most common forms of failure in heavy rail steel. However, the complicated relationship between fatigue and wear of heavy rail steel remains largely unexplored, with the failure mechanism yet to be ful
Externí odkaz:
https://doaj.org/article/3382192dda3043a5a75ad4887f6ac028
Autor:
Zheng, Jie a, b, c, d, Liu, Shuang a, b, c, d, ⁎, Yang, Fan a, b, c, d, ⁎⁎, Liu, Lixia a, b, c, d, Peng, Jun a, b, c, d, An, Shengli a, b, c, d
Publikováno v:
In Journal of Materials Research and Technology November-December 2024 33:4548-4556
Publikováno v:
Journal of Imaging, Vol 10, Iss 6, p 144 (2024)
Thanks to the line-scanning camera, the measurement method based on line-scanning stereo vision has high optical accuracy, data transmission efficiency, and a wide field of vision. It is more suitable for continuous operation and high-speed transmiss
Externí odkaz:
https://doaj.org/article/f0b916a0d3e64b0186f903c1d920ba37
Publikováno v:
Journal of Public Transportation, Vol 26, Iss , Pp 100097- (2024)
Transit agencies conduct system-level ridership forecasting for planning, budgeting, and other administrative purposes. However, the COVID-19 pandemic introduced substantial changes in transit ridership levels and seasonal patterns, which has impacte
Externí odkaz:
https://doaj.org/article/bf6e4094a7a54770bafec99a14a2c6cf
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 1, Pp 122-129 (2023)
In order to clarify the fatigue crack propagation behavior of pearlitic rail, the three-point bending fatigue crack propagation rate of U75V heavy rail steel in rolling state and heat treatment state was measured. The microstructure, lamella, fractur
Externí odkaz:
https://doaj.org/article/8f582c52da7e4c2dacca44c96eb74c07
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 1718 (2024)
U75V heavy rail steel production uses an aluminum-free deoxidation process; however, large particles of MgO–Al2O3 inclusions form in the steel, which has a great impact on product quality. In this paper, we try to explain how spinel inclusions, whi
Externí odkaz:
https://doaj.org/article/033ec402980b446bb03fb551587cd7ac
Akademický článek
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Akademický článek
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Autor:
Liu Hongbo, Xie Rongyuan, Li Min, Zhang Caidong, Yao Hongyong, Tian Zhiqiang, Yang Haibin, Liu Zhanli, Wang Qiang, Kang Ju
Publikováno v:
High Temperature Materials and Processes, Vol 42, Iss 1, Pp pp. 7-11 (2023)
The number density, size and composition of inclusions in U75V heavy rail steel during ladle furnace (LF)–RH refining process were studied by an Aztec-Feature inclusion automatic software which equipped with a field emission microscope. The results
Externí odkaz:
https://doaj.org/article/051b86b628f6499d9be49df28102966a