Title

WEAR AND LUBRICATION EFFECT ON SUB-SURFACE FAILURE OF SEVERAL STEELS.

Document Type

Conference Proceeding

Date of Original Version

12-1-1985

Abstract

Wear and contact fatigue evaluation of several commercial and experimental rail steels is described. 70 mm diameter test discs were subject to 2. 4 million revolutions under grease and sand, dry, and grease lubrication environments in the one tenth scale rail/wheel wear apparatus which simulated the interaction between a freight car wheelset and pair of rails in a 235 m radius (8 degree ) curve. The results show that the steels with improved wear resistance do not necessarily exhibit the same degree of improvement to fatigue damage.

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