Journal
WEAR
Volume 271, Issue 1-2, Pages 364-373Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2010.10.048
Keywords
Premium rail steel; Advanced rail steel; Microstructure; Characterization; Thermo-mechanical processing (TMP); Rolling contact fatigue (RCF)
Ask authors/readers for more resources
Rail is the most valuable asset owned by railroads the AAR reported that only in North America the annual expenditure for rail repair and replacement is approximately $2.6 billion. In the last 50 years the railways and rail manufacturers have improved rail performance. Modern rail metallurgies have achieved a successful increased in hardness from 248 Hardness Brinell (HB) to more than 400 HB. This in turn increased the wear resistance of rails and a life extension. Lubrication and suspension bogies have positively contributed to rail life extension as well. Unfortunately, not as much progress has been made as far as rail's fatigue performance (e.g. rolling contact fatigue (RCF)), and fracture toughness. In this work is presented a methodology followed to development a new metallurgy that will increase RCF and wear resistance. The development of this new rail consists of rail characterization and advanced rail steel design. Published by Elsevier B.V.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available