Influence of laminar plasma quenching on rolling contact fatigue behaviour of high-speed railway wheel steel

[Display omitted] •LPQ produced a hardened layer and residual compressive stresses prolonging RCF life.•The RCF life increase linearly with the depth of HAZ.•The critical depth of HAZ affecting the RCF crack growth is 1 mm.•Strain induced retained austenite transformed into twin martensite for LPQ s...

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Veröffentlicht in:	International journal of fatigue 2020-08, Vol.137, p.105668-15, Article 105668
Hauptverfasser:	Zhang, Qingsong, Toda-Caraballo, Isaac, Dai, Guangze, Feng, Zongli, Li, Qiuze, Yu, Deping
Format:	Artikel
Sprache:	eng
Schlagworte:	Cementite Compressive properties Computer simulation Cooling rate Crack initiation Crack propagation Deformation effects Dislocation density Engineering Engineering, Mechanical Ferrite Finite element method Finite element simulation Grains Heat affected zone Heat treatment High speed rail High-speed wheel and rail steel Laminar plasma quenching Martensite Martensitic transformations Materials fatigue Materials Science Materials Science, Multidisciplinary Metal fatigue Microstructure Pearlite Phase transformation Plastic deformation Quenching Railroad wheels Rolling contact fatigue Science & Technology Stresses Substrates Surface layers Technology
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