Preliminary communication

In-service damage of railway steel axles

Oleh Yasniy orcid.org/0000-0002-9820-9093 ; Ternopil Ivan Pul'uj State Technical University, Ruska Str. 56, 46001 Ternopil, Ukraine
Tomaž Vuherer ; University of Maribor, Faculty of Mechanical Engineering, Slovenia
Yuriy Pyndus ; Ternopil Ivan Pul'uj State Technical University, Ruska Str. 56, 46001 Ternopil, Ukraine
Andriy Sorochak ; Ternopil Ivan Pul'uj State Technical University, Ruska Str. 56, 46001 Ternopil, Ukraine
Ivan Samardžić ; Mechanical Engineering Faculty in Slavonski Brod, J. J. Strossmayer University of Osijek, Trg Ivane Brlić-Mažuranić 2, 35000 Slavonski Brod, Croatia

Abstract

The influence of temperature and specimens undercut place on impact toughness of railway axle material in service is investigated. The obtained results show inversely proportional dependence of impact toughness on undercut radius of specimens. The decrease of test temperature from +20 to –40 °C decreases significantly the impact toughness and portion of ductile fracture.

Keywords

impact toughness; in-service demage; railway axle; undercut

Hrčak ID:

65930

URI

https://hrcak.srce.hr/65930

Publication date:

31.3.2011.

Article data in other languages: croatian

Visits: 1.982 *