Improving the Performance Parameters of Railway Wheels with the Help of Optimal Design Technologies of their Electric Pulse Processing
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Date
2019
Journal Title
Journal ISSN
Volume Title
Publisher
Dnipro National University of Railway Transport named after Academician V. Lazaryan
Abstract
ENG: Abstract. The processing by pulses of electric current (PEC) of a fragment of the rim of a railway wheel
was carried out on the DS10D equipment. When the density of the electric current is from 3 to 17 A/mm2,
the processing cycle consisted of the action of a pulse with a duration of 2.5-3 s and a pause between
pulses of 4 s. After 150 cycles of PEC, the hardness of cold-formed metal was reduced from 10 to 20%.
Studies of the parameters of the metal structure of the wheels have determined that the processing of PEC
leads to a decrease in the number of defects in the internal structure, which are accumulated as a result of
cold deformation of the rim along the rolling surface of the railway wheel. It has been established that,
according to the nature of the influence on the hardness distribution of carbon steel, the PEC treatment
corresponds to changes during tempering in the average temperature range and allows to significantly
increase the operating parameters of the wheels of railway equipment.
Description
I. Vakulenko: ORCID 0000-0002-7353-1916, N. Kuzin: ORCID 0000-0002-6032-4598, S. Raksha: ORCID 0000-0002-4118-1341, S. Proidak: ORCID 0000-0003-2439-3657
Keywords
performance parameters, railway wheels, optimal design technologies, electric pulse processing, КПММ, КРС (ЛФ)
Citation
Improving the Performance Parameters of Railway Wheels with the Help of Optimal Design Technologies of their Electric Pulse Processing [Electronic resource] / Igor Vakulenko, Nickolay Kuzin, Leonid Vakulenko, Sergey Raksha, Svetlana Proidak // MATEC Web of Conferences. – 2019. – Vol. 294 : 2nd International Scientific and Practical Conference “Energy-Optimal Technologies, Logistic and Safety on Transport” (EOT-2019). – P. 1–6. – Access Mode: https://www.matec-conferences.org/articles/matecconf/pdf/2019/43/matecconf_eot18_05004.pdf (21.10.2019). – DOI: 10.1051/matecconf/201929405004.