Rail strengthening in prolonged operation; Steel in Translation; Vol. 46, iss. 6

Rail strengthening in prolonged operation; Steel in Translation; Vol. 46, iss. 6

Bibliografiske detaljer
Parent link:	Steel in Translation.— , 1971- Vol. 46, iss. 6.— 2016.— [P. 405-409]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет
Andre forfattere:	Gromov V. E. Viktor Evgenjevich, Ivanov Yu. F. Yuriy Fedorovich, Morozov K. V. Konstantin Viktorovich, Peregudov O. A. Oleg A., Yurjev A. B. Aleksey Borisovich
Summary:	Title screen In rail operation (with traffic corresponding to passed tonnage of gross loads of 500 and 1000 million t), the surface layer of the steel is significantly strengthened. Electron-microscope data permit quantitative analysis of the contribution of different mechanisms to rail strengthening in prolonged operation, at different distances from the contact surface. The strengthening is multifactorial: it involves substructural strengthening associated with nanofragment formation; dispersional strengthening by carbide particles; the formation of atmospheres at dislocations; and polar stress due to interphase and intraphase boundaries. The significant increase in the surface strength of rail steel after prolonged operation (passed tonnage of gross loads of 1000 million t) is due to the presence of long-range internal stress fields and to the fragmentation of material with the formation of nanostructure. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2016
Fag:	электронный ресурс труды учёных ТПУ структуры операции
Online adgang:	http://dx.doi.org/10.3103/S096709121606005X
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=650786

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