Journal ArticleDOI
Wear behavior of bainitic and pearlitic microstructures from microalloyed railway wheel steel
A.B. Rezende,S.T. Fonseca,F.M. Fernandes,R.S. Miranda,Freddy Armando Franco Grijalba,Paula Fernanda da Silva Farina,Paulo Roberto Mei +6 more
TLDR
In this paper, a twin-disc test evaluated the wear resistance and rolling contact fatigue (RCF) of bainitic and pearlitic microstructures obtained from forged micro-alloyed railway wheel steel.About:
This article is published in Wear.The article was published on 2020-09-15. It has received 22 citations till now. The article focuses on the topics: Pearlite & Microstructure.read more
Citations
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Journal ArticleDOI
Microstructure evolution of railway pearlitic wheel steels under rolling-sliding contact loading
TL;DR: In this article, the microstructure evolution of railway pearlitic wheel materials (ER7, CL60 and C-class) under a rolling-sliding contact loading was investigated.
Journal ArticleDOI
Comparison of fatigue crack growth rate: Pearlitic rail versus bainitic rail
Aleksandra Królicka,Grzegorz Lesiuk,Krzysztof Radwański,Roman Kuziak,Aleksandra Janik,Rafał Mech,Tomasz Zygmunt +6 more
TL;DR: In this article, the authors compare the fatigue crack growth rate of the pearlitic and bainitic rails and find that both materials exhibited comparable fatigue crack rate and transcrystalline fracture mechanism.
Journal ArticleDOI
Fatigue fracture and fatigue life assessment of railway wheel using non‐linear model for fatigue crack growth
Reza Masoudi Nejad,Filippo Berto +1 more
TL;DR: In this paper, the fatigue behavior of railway wheel specimens subjected to cyclic loading has been investigated via experimental tests and numerical analysis, and the results indicate that the fatigue life of specimens decreases with any increase in load level.
Journal ArticleDOI
Optimization of fatigue life of pearlitic Grade 900A steel based on the combination of genetic algorithm and artificial neural network
TL;DR: In this article , a feed-forward neural network is designed to predict the fatigue life of pearlitic Grade 900A steel based on the number of cycles of the particular stress level in the load block, occurrence ratio and overload ratio.
Journal ArticleDOI
Comparison of rolling contact fatigue damage between railway wheels and twin-disc test specimens
Nathan Fantecelle Strey,A.B. Rezende,Rodrigo da Silva Miranda,S.T. Fonseca,Paulo Roberto Mei,Cherlio Scandian +5 more
TL;DR: In this paper, the authors compared the wear and rolling contact fatigue (RCF) of wheel-rail contact on a twin-disc wheel and a wheel removed from field operation.
References
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Journal ArticleDOI
Deterioration of rolling contact fatigue life of pearlitic rail steel due to dry-wet rolling-sliding line contact
TL;DR: In this article, the deterioration of rolling contact fatigue (RCF) life of pearlitic rail steel, under rolling-sliding conditions, where the wet phase of the test is preceded by different numbers of dry cycles.
Journal ArticleDOI
Wear of nano-structured carbide-free bainitic steels under dry rolling–sliding conditions
Alejandro Leiro,Esa Vuorinen,Karl-Gustaf Sundin,Braham Prakash,Thomas Sourmail,Véronique Smanio,Francisca García Caballero,Carlos Garcia-Mateo,Roberto Elvira +8 more
TL;DR: In this paper, the wear resistance in dry rolling-sliding of nano-structured steels is significantly superior to that of bainitic steels transformed at higher temperatures with similar hardness values.
Journal ArticleDOI
Wear of conventional pearlitic and improved bainitic rail steels
TL;DR: In this paper, the micro-Vickers and Rockwell C hardness measurements at different length scales were conducted to investigate the cause of the wear behavior of bainitic and pearlitic rail steels.
Journal ArticleDOI
Effect of cooling rate on the microstructure and mechanical properties of Nb-microalloyed steels
TL;DR: In this article, the effect of cooling rate on the microstructure and mechanical properties of Nb-microalloyed steels that were processed as structural beams at three different cooling rates was described.
Journal Article
Effect of cooling rate on the microstmcture and mechanical properties of Nb-microalloyed steels
TL;DR: In this paper, the effect of cooling rate on the microstructure and mechanical properties of Nb-microalloyed steels that were processed as structural beams at three different cooling rates was described.