Results 11 to 20 of about 126 (83)

A Preliminary Study on Machinability Assessment of Nanobainite Steel [PDF]

open access: yesVolume 2B: Advanced Manufacturing, 2013
The demand for high strength materials and improvements in heat treatment techniques has given rise to this new form of high strength steel known as nanobainite steel. The production of nanobainite steel involves slow isothermal holding of austenitic steel around 200°C for 10 days, in order to obtain a carbon enriched austenite and cooling to room ...
Ashwin Polishetty   +3 more
core   +4 more sources

METHOD OF OBTAINING NANOBAINITE IN STEELS : MODERN TECHNOLOGIES [PDF]

open access: yesUkrainian Journal of Civil Engineering and Architecture
Statement of the problem. Trends in the development of engineering materials show a steady tendency toward increasing strength, toughness, and ductility. This is especially evident for steels, as they compete with lightweight alloys and composite materials in many fields of application.
L.M. Deineko, Yu.V. Shportko
core   +4 more sources

Influence of Mn on nanobainite formation kinetics and austenite retention in Al-added medium-Mn steels subjected to hybrid isothermal annealing [PDF]

open access: yesJournal of Materials Research and Technology
This study investigates the bainite transformation kinetics, microstructural evolution, and mechanical properties of Al-alloyed 3MnNb and 4MnNb multiphase steels subjected to a novel hybrid heat treatment.
Mateusz Morawiec   +6 more
doaj   +2 more sources

Martensite and nanobainite transformations in a low alloyed steel studied by in situ high energy synchrotron diffraction [PDF]

open access: yes, 2022
Martensitic and nanobainite transformations are studied in situ in a low alloyed, high-Si steel by using in situHEXRD, combined with dilatometry and SEM observations, and by considering the same steel composition andaustenitization conditions.
Gaudez, Steve   +4 more
core   +3 more sources

The Microstructure and Properties of Carbon Thin Films on Nanobainitic Steel [PDF]

open access: yesMetallurgical and Materials Transactions A, 2021
Abstract The aim of this study was to assess whether it is possible to produce a high adhesive carbon coating by applying low-temperature RFCVD and glow discharge methods on nanobainitic X37CrMoV5-1 steel with and without nitrided sublayer.
Emilia Skołek   +8 more
openaire   +1 more source

On the crystallographic characteristics of nanobainitic steel [PDF]

open access: yesActa Materialia, 2017
Abstract This study aims to elucidate the crystallographic characteristics of bainite transformed in a temperature range of 200–350 °C, where a nanobainitic structure is formed. The microstructure, consisting of bainitic ferrite laths and retained austenite, became significantly refined and its crystallographic arrangement changed with a decrease in ...
Hossein Beladi   +6 more
openaire   +1 more source

Modeling And Characterization Of High Carbon Nanobainitic Steels [PDF]

open access: yes, 2021
Analytical models have been developed for the transformation kinetics, microstructure analysis and the mechanical properties in bainitic steels. Three models are proposed for the bainitic transformation based on the chemical composition and the heat treatment conditions of the steel as inputs: (1) thermodynamic model on kinetics of bainite ...
openaire   +1 more source

Glow discharge nitriding of nanobainitic X37CrMoV5-1 steel

open access: yes, 2023
Abstract One of the methods of improving mechanical properties of steels is nanostructuring via austempering, which leads to formation of a nanobainitic microstructure - a fine carbide-free bainitic ferrite plates with retained austenite. Due to high density of grain and interphase boundaries, this microstructure provides high tensile strength.
Emilia Skołek   +3 more
openaire   +1 more source

PROTECTIVE EFFECTIVENESS OF ARMOUR MADE OF NANOBAINITIC STEEL

open access: yesJournal of Metallic Materials, 2020
The article presents the results of tests on resistance to perforation of nanobainitic steel plates with a thickness in the range of 6–9 mm with the use of projectiles with different perforation mechanisms. Firing tests were carried out using 7.62×39 mm BZ ammunition in accordance with the requirements of the NATO Stanag 4569A standard document (level ...
openaire   +1 more source

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