Results 31 to 40 of about 59,106 (209)

Effect of Ni addition on bainite microstructure of low-carbon special bar quality steels and its influence on CCT diagrams

open access: yesJournal of Materials Research and Technology, 2021
This work presents the effect of Ni content on the bainite morphology and in the mechanical properties of low-carbon special bar quality steels. Four steel ingots with the same base chemical composition, having only Ni content as their main difference ...
José Britti Bacalhau   +1 more
doaj   +1 more source

Retained Austenite Destabilization during Tempering of Low-Temperature Bainite

open access: yesApplied Sciences, 2020
The thermal stability of nanostructured microstructures consisting of a mixture of bainitic ferrite and carbon-enriched retained austenite has been studied in two steels containing 0.6 C (wt %) by tempering cycles of 1 h at temperatures ranging from 450 ...
Victor Ruiz-Jimenez   +5 more
doaj   +1 more source

Tempering of hard mixture of bainitic ferrite and austenite [PDF]

open access: yesMaterials Science and Technology, 2004
The authors are grateful to the Engineering and Physical Sciences Research Council for supporting this research. They are also grateful to Miss P. Swannell for her general help with the experiments and to Dr M. Vickers for help with the interpretation of X-ray data.
García Mateo, Carlos   +3 more
openaire   +2 more sources

Intragranular ferrite morphologies in medium carbon vanadium-microalloyed steel [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2013
The aim of this work was to determine TTT diagram of medium carbon V-N micro-alloyed steel with emphasis on the development of intragranular ferrite morphologies.
Fadel A.   +3 more
doaj   +1 more source

Introducing ultrafine ferrite in low-temperature bainitic steel through a novel process for simultaneously improving strength and toughness

open access: yesJournal of Materials Research and Technology, 2021
A novel process is proposed to introduce ultrafine ferrite in a medium-carbon high-silicon steel that possesses low-temperature bainite. This process is based on the intercritical annealing of the cold-rolled tempered troostite and subsequent ...
Ting Zhao   +4 more
doaj   +1 more source

Influence of niobium microalloying on the thermal stability of medium-carbon carbide-free bainitic steel

open access: yesJournal of Materials Research and Technology, 2021
This paper investigates the influence of niobium on the thermal stability of ultra-fine bainite microstructures and their mechanical properties by means of an isothermal transformation at 340 °C, followed by tempering in the range of 200–700 °C for two ...
Xinpan Yu   +5 more
doaj   +1 more source

Data for "The influence of carbide formation in ferrite on the bainitic type transformation."

open access: yes, 2020
Data for "The influence of carbide formation in ferrite on the bainitic type transformation." by F. Elhigazi and A. Artemev.
Artemev, A (via Mendeley Data)   +1 more
core   +1 more source

Improving strength and ductility via ausforming combined with austempering through deformation-induced bainite refinement

open access: yesJournal of Materials Research and Technology
The refinement of bainitic ferrite laths is one of the most critical ways to improve the combination of strength and ductility. However, low-temperature bainitic transformations in the microstructural evolution of carbide-free bainite in high-carbon ...
Jianhua Li   +5 more
doaj   +1 more source

Thermal Stability of Nanocrystalline Structure In X37CrMoV5-l Steel

open access: yesArchives of Metallurgy and Materials, 2015
The aim of the study was to investigate the thermal stability of the nanostructure produced in X37CrMoV5-1 tool steel by austempering heat treatment consisted of austenitization and isothermal quenching at the range of the bainitic transformation.
Skołek E.   +2 more
doaj   +1 more source

Carbon rejection triggered by lattice contraction at low-temperature making nano-bainitic steel toughener

open access: yesMaterials Research Letters
In the steel industry, enhancing the toughness of the material often reduces strength. This study employs shallow cryogenic treatment on high-carbon nano-bainitic steel, inducing lattice shrinkage via cryogenic contraction stress.
Xiaojun Gao   +7 more
doaj   +1 more source

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