Results 11 to 20 of about 1,434 (185)

Phase and Melting Relations of Fe3C to 300 GPa and Carbon in the Core

open access: yesGeophysical Monograph Series, Page 25-36., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Suguru Takahashi   +9 more
wiley  

+2 more sources

Mechanism of Si on the Cementite Type Transformation in As-cast High Carbon Chromium Bearing Steel [PDF]

open access: yesTeshugang
Four as-cast high carbon chromium bearing steels with different Si contents (0. 29%、0. 42%、0. 71% and 1. 50%)were prepared using a vacuum induction furnace, the carbides in the steel were extracted by nonaqueous solution electrolysis method.
Xu Taixu, He Zhijun, Yang Xin, Qiao Xiya, Huang Yufei
doaj   +3 more sources

Influence of Cementite Precipitation on Work Hardening Behavior in Ultrafine Grain Steels Rolled at Room and Cryogenic Temperatures

open access: yesMetals, 2022
The work hardening behavior of α + θ UFG steel related to α + θ two phase microstructure is more complicated than that of single-phase materials. Very few studies have been conducted on the work hardening of α + θ UFG steels.
Zhoutou Wang   +4 more
doaj   +1 more source

INFLUENCE STRUCTURE ON THE PLASTICITY OF CARBON STEEL OF THE RAILWAY WHEEL RIM IN OPERATION [PDF]

open access: yesScientific Journal of Silesian University of Technology. Series Transport, 2022
When simulating the operating conditions of the rim of a railway wheel, an analysis of change in the structural state from the possible degree of plastic deformation and the heating temperature of steel near the rolling surface was carried out.
Igor Alex VAKULENKO   +5 more
doaj   +1 more source

Cementite [PDF]

open access: yesInternational Materials Reviews, 2019
Cementite occurs in steels, in meteorites, possibly at the core of the Earth and has uses in its pure form. It's composition can deviate from , but not by much because the Fe–C bond contributes to its cohesion. Its crystallographic unit cell is orthorhombic and primitive, with large lattice parameters, explaining its hardness.
openaire   +2 more sources

Influence of the carburization time on the structural and mechanical properties of XC20 steel

open access: yesMaterials Research Express, 2021
This study focuses on the effect of carburization time on the structural and mechanical properties of low carbon XC20 mild steel (C. Wt.%
Saoudi Abdenour   +6 more
doaj   +1 more source

Characteristic Features of Nanoscale Сarbide Inclusions Nucleation and Growth When Carburizing Steels [PDF]

open access: yesЖурнал нано- та електронної фізики, 1990
Thermodynamic calculations of the free energy of the formation of cementite type nanoscale carbides in supersaturated austenite alloyed with chromium and manganese are presented.
L.I. Roslyakova   +2 more
doaj   +1 more source

Enhancement of the AISI 5140 Cold Heading Wire Steel Spheroidization by Adequate Control of the Initial As-Rolled Microstructure

open access: yesMetals, 2021
The effect of the initial microstructure and soft annealing temperature on cementite spheroidization and microstructure softening is studied on an AISI 5140 hot-rolled wire.
Jon Arruabarrena   +1 more
doaj   +1 more source

Effect of Microstructures on the Tribological Performance of Medium Carbon Steel

open access: yesMetals, 2022
Improving wear resistance and reducing the coefficient of friction of the cylinder liner are critical to improving the service life and energy savings of internal combustion engines.
Tao Jiang   +8 more
doaj   +1 more source

Corrosion Behavior of L245N Standard Steel in CO2 Saturated Brine under Flow Condition

open access: yesMetals, 2021
The corrosion behavior of oilfield used L245N standard steel was tested in simulated oilfield solution by dynamic high-temperature autoclave. The corrosion products were characterized by using scanning electron microscopy (SEM), X-ray diffraction (XRD ...
Ying Hu   +3 more
doaj   +1 more source

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