Results 101 to 110 of about 2,687 (227)

Comparison of abrasion resistance of boron- and vanadium-based coatings

open access: yesMetalurgija, 2019
This research focuses on testing of abrasion resistance of boron- and vanadium-based coatings. Coating of samples with vanadium was completed by classic and duplex procedure with previous carburization.
G. Heffer   +3 more
doaj  

Early Events of the Carburization of Fe Nanoparticles in Ethylene Pyrolysis: Reactive Force Field Molecular Dynamics Simulations

open access: yes, 2018
The carburization of transition metals in hydrocarbon pyrolysis is a common corrosion phenomenon in the petrochemical industry. Nevertheless, early events of carburization mechanism remain still unclear.
Xiangyang Wang (1857739)   +2 more
core   +1 more source

Theoretical analysis and experiments for the carburization of vanadium-bearing hot metal

open access: yes, 2018
In this study, the feasibility of the carburization of vanadium-bearing hot metal was first investigated by thermodynamic analysis. Next, three carburizers, namely a low-nitrogen carburizer, anthracite, and coke, were used for carburization of 500 g of ...
Zhibin Liu, Deng Ma, Wei Wu, Shifan Dai
core   +1 more source

Thermodynamic, Kinetic and Mechanical Modeling to Evaluate CO2-induced Corrosion via Oxidation and Carburization in Fe, Ni alloys

open access: yes, 2023
A computational framework integrating thermodynamics, kinetics, and mechanical stress calculations is developed to study supercritical CO2 induced corrosion in model Fe-based MA956 and Ni-based H214 alloys.
Petrasch, Joerg   +5 more
core  

Surface blackening phenomenon and formation mechanism in high-temperature annealed nickel-based superalloys

open access: yesMaterials Research Express
Owing to stringent service conditions, nickel-based superalloys must meet exceptionally high surface quality standards. After cold rolling, these alloys can blacken during annealing, affecting appearance and performance.
Yan Yang   +4 more
doaj   +1 more source

Fireside corrosion and carburization of superheater materials in oxyfuel combustion

open access: yes, 2012
Oxyfuel combustion is considered as one of the most promising technologies to facilitate CO 2 capture from flue gases. In oxy-fuel combustion, the fuel is burned in a mixture of oxygen and recirculated flue gas.
Tuurna, Satu   +2 more
core  

Studies of Fe Metal Carburization by Carbon Monoxide Using XRD and TPR Techniques

open access: yes, 2017
This study was undertaken to investigate the effect of carburization of metallic Fe by (20%,v/v) carbon monoxide (CO). Carburization of Fe by carbon monoxide was examined by using temperature-programmed reduction (TPR), X-Ray powder diffractometry (XRD ...
Fairous Salleh   +7 more
core   +1 more source

Environmental effects of a simulated AGR coolant on oxidation and carburization behavior of type 316H stainless steel

open access: yes, 2023
This paper aims to further understand the environmental effects of oxidation and carburization of type 316H stainless steel, which is used within the super-heater and re-heater sections of the UK Advanced Gas-cooled Reactors.
Rafferty, James   +4 more
core  

Corrosion behavior of eutectic high-entropy alloys in supercritical CO2 environments

open access: yesJournal of Materials Research and Technology
This study explores the corrosion resistance of AlCoCrFeNi2.1 eutectic high-entropy alloy (EHEA) in supercritical CO2 (S–CO2). The corrosion behavior was meticulously examined under conditions of 500 °C and 25 MPa CO2 over a duration of 800 h.
Wanhuan Yang   +7 more
doaj   +1 more source

Effect of surface carburization on dynamic deformation and fracture of tungsten heavy alloys

open access: yes, 1999
Effects of surface carburization on dynamic deformation and fracture behavior of tungsten heavy alloys were investigated in order to improve the penetration performance.
Noh, JW   +4 more
core  

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