Results 41 to 50 of about 4,707,673 (337)

Oxidation Behavior of NiCr/YSZ Thermal Barrier Coatings (TBCs)

open access: yesOpen Chemistry, 2018
Nichrome (NiCr) coatings are widely used to provide resistance against oxidation and corrosion in many machine components. TBCs must include bond coatings that are resistant to oxidation resulting fromhigh-temperature operating conditions. In the present
Doleker Kadir Mert   +5 more
doaj   +1 more source

A Survey on the Oxidation Behavior of a Nickel-Based Alloy Used in Natural Gas Engine Exhaust Valve Seats

open access: yesMetals, 2022
This study reports the oxidation behavior of a Ni-based alloy used in the manufacture of valve seats for automotive engine exhaust systems. Isothermal thermogravimetric analyses were carried out at temperatures of 660, 740, 860, and 900 °C under an ...
José Henrique Alano   +5 more
doaj   +1 more source

Effect of microstructure of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation

open access: yesCorrosion Science, 2019
The effect of grain size and porosity of a NiCoCrAlY coating fabricated by high-velocity air fuel on the isothermal oxidation behavior is studied. To understand this effect, the microstructure of coating, the chemistry and microstructure of thermally ...
Jie Lu   +5 more
semanticscholar   +1 more source

High-temperature oxidation kinetics of NiAl single crystal and oxide spallation as a function of crystallographic orientation [PDF]

open access: yes, 2004
Isothermal and cyclic high-temperature oxidation of NiAl single crystal samples are presented. Oxidations have been carried out at 900, 1050, 1100 and 1150 ◦C on (1 0 0) and (1 1 0) oriented surface.
Poquillon, Dominique   +4 more
core   +1 more source

Effect of different oxidation modes on the growth of oxide layer of TC11 titanium alloy

open access: yesJournal of Materials Research and Technology
In order to study the effect of isothermal oxidation and cyclic oxidation on the oxide layer growth process of titanium alloys, high-temperature oxidization tests were conducted on TC11(Ti-6.5Al-3.5Mo-1.5Zr-0.3Si)titanium alloy in air at 650 °C.
Weiming Li   +7 more
doaj   +1 more source

A calorimetric study of β-sultams and β-lactams [PDF]

open access: yes
The hydrolytic degradation of a series of β-sultams and β-lactams was investigated using isothermal microcalorimetry (IMC), to determine kinetic and enthalpic data.
Naz, Summia
core   +3 more sources

Combustion Behavior and Kinetics Analysis of Isothermal Oxidized Oils from Fengcheng Extra-Heavy Oil

open access: yesEnergies, 2021
The low-temperature oxidation (LTO) of heavy oil is of great significance for the combustion front stability, which directly influences the efficiency and safety of in-situ combustion (ISC).
Liangliang Wang   +3 more
doaj   +1 more source

High temperature corrosion of laser additively manufactured CoNiCrAlY

open access: yesCorrosion Communications, 2022
A Co32Ni21Cr8Al0.5Y alloy (by mass percentage) has been additively manufactured by selective laser melting (SLM). The as-deposited alloy has a γ matrix dispersing Al-rich β phase which is coarsened with time at high temperatures. The alloy grows a double-
He Bai   +5 more
doaj   +1 more source

Effect of Oxidation Temperature on the Oxidation Process of Silicon-Containing Steel

open access: yesMetals, 2016
The oxidation behavior of silicon-containing steel was studied by applying segmented heating routes similar to the atmosphere and heating process in an industrial reheating furnace.
Bei He   +3 more
doaj   +1 more source

Co-oxidation kinetic model for the thermal oxidation of polyethylene-unsaturated substrate systems [PDF]

open access: yes, 2013
The thermal oxidation of polyethylene (PE) impregnated by the methyl esters of unsaturated fatty acids (UFEs) was studied using chemiluminescence, and infra-red spectrophotometry.
RYCHLÝ, Jozef   +3 more
core   +1 more source

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