HIGH STRENGTH BAINITE RAILROAD RAILS WARPAGE REDUCE POSSIBILITIES

Microstructure characterisation of a high strength steel weld metal containing the novel constituent coalesced bainite

An experimental high strength steel weld metal containing 7 wt. % nickel and 2 wt. % manganese was found to have a complex microstructure. Employing high resolution characterisation techniques the microstructure consisted primarily of a mixture of martensite, upper bainite and a novel constituent with large grain size that contained plate-like precipitates. This constituent was characterised to...

Electron backscattering diffraction study of coalesced bainite in high strength steel weld metals

Coalesced bainite is a coarse constituent recently found to develop along with the classical martensite, lower and upper bainite in steel weld metals. Its crystallography has been characterised using electron backscattering diffraction in combination with field emission gun scanning electron microscopy. It is confirmed that coalesced bainite grains are crystallographically homogeneous but do co...

Interaction Between Forming and Crashworthiness of Advanced High Strength Steel S-Rails

Evaluating Railroad Track Upgrades to Reduce Transportation Risk

Transportation Research Record: Journal of the Transportation Research Board, No. 2261, Transportation Research Board of the National Academies, Washington, D.C., 2011, pp. 178–185. DOI: 10.3141/2261-21 structure and operational conditions. Track-related and equipmentrelated accident causes collectively result in the majority of train derailments in the United States. Understanding how they may...

Learning Rails - Rails from the outside in

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