Effect of Load Ratio on Fatigue Failure Micromechanisms of Railway Axle Steel; Applied Mechanics and Materials; Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering

Effect of Load Ratio on Fatigue Failure Micromechanisms of Railway Axle Steel; Applied Mechanics and Materials; Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering

Bibliografische gegevens
Parent link:	Applied Mechanics and Materials: Scientific Journal Vol. 770 : Urgent Problems of Up-to-Date Mechanical Engineering.— 2015.— [P. 209-215]
Hoofdauteur:	Maruschak P.
Coauteur:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра материаловедения в машиностроении (ММС)
Andere auteurs:	Sorochak A., Panin S. V. Sergey Viktorovich
Samenvatting:	Title screen The paper presents the basic regularities of fatigue failure of the railway wheelset axle material – OsL steel (C - 0,40-0,48 %; Mn - 0,55-0,85 %; Si - 0,15-0,35 %; P < 0,04%; S < 0,045 %; Cr < 0,3 %; Ni < 0,3 %; Cu < 0,25 %). It was revealed that under loading stress ratio R=0, fatigue crack growth is 2 ... 4 times lower than that at the asymmetry R=-1. In doing so, amplitude of stress intensity factor vary in the range of 20–35 MPa√m. The micromechanisms of fatigue crack growth are described and systematized, while physical-mechanical interpretations of the relief morphology at different stages of its growth are offered. Режим доступа: по договору с организацией-держателем ресурса
Taal:	Engels
Gepubliceerd in:	2015
Reeks:	Materials Science in Mechanical Engineering
Onderwerpen:	электронный ресурс труды учёных ТПУ усталость трещины железнодорожные мосты нагрузки усталостное разрушение стали
Online toegang:	http://dx.doi.org/10.4028/www.scientific.net/AMM.770.209
Formaat:	Elektronisch Hoofdstuk
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643360

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