Investigation of Tribological Properties of Rail and Wheel Steels
Sign Up to like & getrecommendations! Published in 2020 at "Metal Science and Heat Treatment"
DOI: 10.1007/s11041-020-00575-4
Abstract: The wear resistance characteristics of AISI 51B60H and 30MnB5 steels with different carbon and boron contents were investigated. The analysis of the microstructure and hardness of steels was carried out. The specific wear rates in… read more here.
Keywords: tribological properties; properties rail; investigation tribological; microscopy ... See more keywords
Separation of rail and wheel contributions to pass-by noise with sparse regularization methods
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2020.115627
Abstract: Abstract This paper proposes a method for separating rail and wheel noise contributions via sparse regularization of microphone array data. The underlying idea is to promote sparse solutions, which jointly approximate the two noise contributions… read more here.
Keywords: pass noise; rail wheel; separation; sparse regularization ... See more keywords