Zobrazeno 1 - 7
of 7
pro vyhledávání: '"O. M. Perkov"'
Publikováno v:
Nauka ta progres transportu, Vol 59, Iss 5, Pp 107-114 (2015)
Purpose. The research supposes the explanation of influence of stress impulses from an electrical discharge in water on the level of the limited endurance at a cyclic loading of the thermally work-hardened carbon steel. Methodology. Material for rese
Externí odkaz:
https://doaj.org/article/48ced844c4b7464982a6049197abb817
Publikováno v:
Nauka ta progres transportu, Vol 26, Pp 166-168 (2009)
The conditions of improving the operational safety of rail wheels and tread bends are determined on the basis ofinvestigation of the structure change in carbon steel after different thermomechanical treatments.
Externí odkaz:
https://doaj.org/article/7880faf253ee45ac8d02adf47211875d
Publikováno v:
Nauka ta progres transportu, Vol 25, Pp 207-209 (2008)
On the basis of research of modification of carbon steel structure after different thermomechanical treatments the conditions of improving the quality of railway wheels are determined.
Externí odkaz:
https://doaj.org/article/38bd9483c36c4e96ac6bbb1830a3035f
Publikováno v:
Nauka ta progres transportu, Vol 21, Pp 269-271 (2008)
The destruction occurrence in a railroad wheel is caused by formation of the high local stresses produced by the inhomogeneous elastic-plastic deformation when the cyclic temperature change takes place during and after braking using brake shoes.
Externí odkaz:
https://doaj.org/article/bfd097c5563944618c0456664794a1a5
Publikováno v:
Nauka ta progres transportu, Vol 21, Pp 266-268 (2008)
For a railway axle in dependence on stages of crack growth the regular changes of structure of destruction surface during the fatigue tests are presented.
Externí odkaz:
https://doaj.org/article/da01cf8a535c432c8528a3ff6fcd8380
Autor:
I. O. Vakulenko, O. M. Perkov
Publikováno v:
Nauka ta progres transportu, Vol 20, Pp 216-218 (2008)
The results of research of influence of parameters of thermomechanical hardening on the structure, complex of physico-mechanical and service properties of hardened railway wheels are presented.
Externí odkaz:
https://doaj.org/article/0e1dc771edf240a593dcf8db1e96a90d
Publikováno v:
Nauka ta progres transportu, Vol 20, Pp 213-215 (2008)
The differential cooling of railway wheels parts affects the change of the wheel stress state.
Externí odkaz:
https://doaj.org/article/feaa5834ded84ddf86b77201ed881c92