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Article
N-Doped Graphene Sheet Encapsulated Sulfur Binary Composite as Cathode for Lithium-Sulfur Battery Applications
Herein, sulfur-/nitrogen-doped graphene (SNG) binary composite has been prepared by melt diffusion method and employed as cathode material for lithium-sulfur (Li-S) battery. The physical and electrochemical pe...
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Article
Effect of Nb and V on the continuous cooling transformation of undercooled austenite in Cr–Mo–V steel for brake discs
The increasing speed of trains necessitates the development of brake-disc materials that meet more stringent requirements. Therefore, Nb and V have been added to Cr–Mo–V steel to improve its thermal fatigue pe...
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Article
Kinetics and formation mechanisms of intragranular ferrite in V-N microalloyed 600 MPa high strength rebar steel
To systematically investigate the kinetics and formation mechanisms of intragranular ferrite (IGF), isothermal heat treatment in the temperature range of 450°C to 600°C with holding for 30 s to 300 s, analysis...
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Article
Open AccessEffects of cooling rate and Al on MnS formation in medium-carbon non-quenched and tempered steels
The effect of Al on the morphology of MnS in medium-carbon non-quenched and tempered steel was investigated at three different cooling rates of 0.24, 0.43, and 200°C·s-1. The formation mechanisms of three types o...
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Article
Thermodynamic analysis of the compositional control of inclusions in cutting-wire steel
Data from a thermodynamic database and the calculation software FactSage were used to investigate the phase diagrams of the MnO-CaO-SiO2-Al2O3 system in cutting-wire steel and the effects of oxide components on t...
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Article
High-temperature mechanical properties of near-eutectoid steel
The high-temperature mechanical properties of near-eutectoid steel were studied with a Gleeble-1500 simulation machine. Zero strength temperature (ZST), zero ductility temperature (ZDT), hot ductility curves, ...
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Article
Simulation of the continuous casting process in a mold of free-cutting steel 38MnVS based on a MiLE method
A new method called mixed Lagrangian and Eulerian (MiLE) method was used to simulate the continuous casting process in a mold of free-cutting steel 38MnVS. The simulation results are basically in agreement wit...
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Article
Study on NiO/Fe interface with X-ray photoelectron spectroscopy
Different monolayers (ML) of Fe atoms were deposited on NiO (001) substrates or NiO underlayers using molecular beam epitaxy (MBE), pulse laser deposition (PLD), and magnetron sputtering (MS). The magnetic pro...