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5.613  Articles
1 of 562 pages  |  10  records  |  more records»
Formulation of the problem. The problem of rise of reliability and service life of railway wheels connects not only with elaborate of new constructions of wheels and new steels but also with possibility to use the new methods of strengthening of tread. Th... see more

Formulation of the problem. The achievement of high mechanical properties of the railway wheel rim made from carbon steel is ensured by the highly dispersed perlite structure formation in it and a small amount of pre-eutectoid ferrite, which is allocated ... see more

The issues re. estimation of changes in hardness and sound vibration propagation velocity after tempering the hardened railway wheel steel are considered.

From positions of thermodynamics the conditions of formation of sulfides in the steels are described. The regularity of sulfur distribution of in the industrial vacuumized bars from the wheel steel of mark ??-2 is first elucidated. The chemical compositio... see more

This article deal with the influence of the action of the chemical elements of the multifunctional modifier on the stabilization of the chemical composition and the increase of the level of mechanical characteristics in the wheel steels KP-2 and KP-T were... see more

In the work the regularities of the influence of the chemical composition of steels for railway wheels on their mechanical properties by means of complex physical and chemical composition criteria. Based on the results of laboratory experiments and of ana... see more

The observed questions of estimate influence content of carbon in steel on the formation defects on the surface rail wheels at exploitation. 

In cutting tool assembly, grinding is the most important technological step of the finishing treatment, largely determining the workmanship. An increase of micro-hardness after grinding relative to the original one indicates the dominant role of abrasive ... see more

A train experiences different slip ratios at the wheel/rail contact point as it moves along the rail track, which influences the rolling contact fatigue (RCF) and wear properties of wheel and rail materials. This variation in slip ratios is caused by a ch... see more

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