Results 1 to 10 of about 171 (94)

Effect of Nanobainite Content on the Dry Sliding Wear Behavior of an Al-Alloyed High Carbon Steel with Nanobainitic Microstructure [PDF]

open access: yesMaterials, 2019
In this work, a multiphase microstructure consisting of nanobainte, martensite, undissolved spherical carbide, and retained blocky austenite has been prepared in an Al-alloyed high carbon steel. The effect of the amount of nanobainite on the dry sliding wear behavior of the steel is studied using a pin-on-disc tester with loads ranging from 25–75 N ...
Yongning Liu, Hongji Liu
exaly   +6 more sources

Microstructure and Mechanical Properties of Tempered Ausrolled Nanobainite Steel [PDF]

open access: yesCrystals, 2020
The microstructures and mechanical properties of ausrolled nanobainite steel, after being tempered at temperatures in the range of 200−400 °C, were investigated in this study. After being tempered, bainitic ferrite is coarsened and the volume fraction of
Tiansheng Wang   +2 more
exaly   +5 more sources

Nanobainite Generated in Low‐ and Medium‐Carbon Steels via an Economical Alloying Strategy [PDF]

open access: yesSteel Research International, 2022
A low‐cost strategy for generating low‐ and medium‐C steel alloys relying on Al additions to accelerate the transformation is investigated. Increasing Al in isothermally and continuously cooled conditions refines the lamellar thickness, lowers both the incubation and transformation times but causes a slight drop in tensile properties.
Mohamed Soliman   +2 more
exaly   +4 more sources

Effects of Preformed Martensite on Microstructure and Mechanical Properties of Nanobainite Bearing Steel

open access: yesMetals, 2023
Previous studies have indicated that the preformed martensite has a significant effect on the subsequent bainite transformation of nanobainite bearing steel, but its effects on the microstructure and mechanical properties are still unclear. In this paper,
Zhinan Yang   +2 more
exaly   +5 more sources

Mechanical Properties of Tempered Nanobainite Steel [PDF]

open access: yesEngineering and Technology Journal, 2013
The mechanical properties of 62 SiMnCr 4 steel transformed isothermally at 280ºC for 5-hours were investigated. The hardness of nanobainite steel was equivalent to tempered martensite steel.
Dhafir S. Al-Fattal   +1 more
exaly   +4 more sources

Review of Nanobainite Steel Welding

open access: yesAdvanced Materials Research, 2012
Nanobainite steel is a new strong structural material with an ultimate tensile strength of 2500 MPa, and toughness in excess of 30-40 MPam1/2. However, so far, no suitable methods can realize its welding because of poor weldabilities. This paper reviews recent researches on welding of nanobainite steel and points out their merits and demerits.
Kun Fang, Hong Yuan Fang, Jian Guo Yang
exaly   +3 more sources

Nanobainite Layer Prepared by Laser Hardening Combined with Isothermal Transformation

open access: yesISIJ International, 2018
Nanostructured materials with a special atomic structure, which contain extremely large fraction of grain boundaries, have been developed rapidly.1–4) As one of the bulk nanostructured materials, the nanobainite with excellent strength and ductility has ...
Xiaolei Xing
exaly   +4 more sources

Nanobainite formation in high-Al medium-Mn steels: thermodynamic approach

open access: yesJournal of Thermal Analysis and Calorimetry
AbstractThe objective of this study was to analyze the thermodynamic feasibility of forming nanobainite in Al-alloyed medium-Mn steels through intercritical annealing (IA) and subsequent heat treatments. The research aimed to determine the influence of IA temperature and Mn content on the stability of austenite, the Ms temperature, and the resulting ...
Jarosław Opara   +2 more
exaly   +3 more sources

Phase quantification in nanobainite via magnetic measurements and X-ray diffraction

open access: yesJournal of Magnetism and Magnetic Materials, 2015
Abstract Accurate phase quantification of nanostructured bainitic steel is of importance because of the nature of its percolating structure that controls many of its mechanical properties. X-ray diffraction is the technique of choice for such analysis, but magnetic methods can be more rapid and less sensitive to defect structures.
W Solano-Alvarez   +2 more
exaly   +3 more sources

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

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

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