System Study of Wear Mechanism of Railway Wheel Tread Surface PDF Full text

S. I. Gubenko, S. I. Pinchuk, E. V. Belaya

National Metallurgical Academy of Ukraine
4 Gagarin Ave., Dnipropetrovsk 49600, Ukraine

Metall. Min. Ind.,  2010, Vol. 2, No. 1, pp. 51-56

UDC 629.012.3: 620.192.3: 001.5

Abstract

The effects of various factors on wear mechanism of railway wheel with cone-and-plate profile of tread surface was investigated. It was established that repeated cyclic thermomechanical effect on a tread surface under operation, as well as nonmetallic inclusions and corrosion products led to accumulation of stresses and defects, which resulted in formation of wear particles having various form, source and mechanism of formation.

RAILWAY WHEEL, WEAR MECHANISM, FATIGUE PROCESSES, TREAD SURFACE, FRAGILITY, “WHITE LAYER”, NONMETALLIC INCLUSIONS, CORROSION

 

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