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Study of austempering kinetics of high silicon bainitic cast steels
(Maney Publishing, 2019-01)
This study investigates the effect of chemical composition and microsegregation on the bainitic transformation of high Si cast steels at two different austempering temperatures. The advance of the bainite precipitation as ...
Cyclic deformation mechanisms and microcracks behavior in high-strength bainitic steel
(Elsevier Science Sa, 2017-01)
The purpose of this investigation is to analyze the mechanisms of cyclic deformation and the initiation and propagation of microcracks during low cycle fatigue in the bainitic steel 16CrMnV7-7. The slip systems and their ...
Effect of microsegregation on carbide-free bainitic transformation in a high-silicon cast steel
(Maney Publishing, 2020-04)
A high silicon cast steel was studied in the as-cast condition in order to characterise its solidification macrostructure and microsegregation. The steel, poured into 32 mm-keel-block-shaped moulds, has a coarse solidification ...
Development of ultra-high strength carbide-free bainitic cast steels
(Maney Publishing, 2020-11)
High-silicon cast steels and proper heat treatment cycles were designed in order to obtain carbide-free bainitic microstructures. The design process allowed to obtain the desired microstructures after heat treatment cycles ...
Austenite transformation and age hardening of HSLA-80 and ULCB steels
(Elsevier Science SaLausanneSuíça, 2004)
Mechanical properties of a carbide-free bainitic cast steel with dispersed free ferrite
(Maney Publishing, 2020-01)
A high silicon, medium carbon cast steel was designed and heat-treated in order to develop microstructures composed of carbide-free bainite and small amounts of free ferrite, with the aim of obtaining high strength cast ...
Efeito da adição de Ni na microestrutura bainítica de um novo aço para roscas e cilindros de plastificação de polímeros
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEMCâmpus São Carlos, 2019-09-02)
Nitriding steels, such as DIN 1.8550, are used in the manufacture of screws and barrels for injection molding machines and plastic extruders. The hardening process of DIN 1.8550 occurs via water or oil quenching followed ...
Influence of the austempering time on the mechanical properties of carbide-free bainitic cast steels
(Springer, 2020-09)
Three medium-carbon, high-silicon cast steels with different alloy contents were austempered at 330 °C for different holding times in order to obtain carbide-free bainitic microstructures. Aiming at evaluating the influence ...