Results 51 to 60 of about 1,061 (217)

Thermokinetic Modeling Approach for Aluminide Diffusion Coatings on Molybdenum Substrates

open access: yesAdvanced Engineering Materials, Volume 27, Issue 13, July 2025.
The advancement of innovative materials for protective coatings in high‐temperature environments relies on a detailed understanding of diffusion processes within these systems. This article presents findings from modeling approaches, supporting the development and optimization of coating materials by focusing on the prediction of diffusion‐driven ...
Jurica Filipovic   +4 more
wiley   +1 more source

Improving Cyclic Oxidation Resistance of Additively Manufactured IN939 Superalloy via Chemical Vapor Aluminizing

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
This study investigates the effect of a NiAl coating on additively manufactured (AM) IN939 to improve its cyclic oxidation resistance at 1050 °C. The coating promotes protective α‐Al2O3 formation, allowing durability for up to 240 cycles, while uncoated AM‐IN939 experiences spallation and weight loss due to nonprotective oxides.
Fatih Guler   +5 more
wiley   +1 more source

Mechanical and metallurgical properties of two-layered diamalloy 4010 and 2002 HVOF coating [PDF]

open access: yes, 2011
Diamalloy 4010, which is iron/molybdenum blend, is resistive to wear and Diamalloy 2002 is resistive to corrosion and wear. However, combination of these powders in layered structure, may offer advantages over the individual powders.
AL-Shehri, Yasser Abdullah
core  

The Role of Substrate Surface Roughness on in-Pack Aluminization Kinetics of Ni-Base Superalloy

open access: yesJournal of Manufacturing and Materials Processing, 2020
The Ni-base superalloys facing high temperature require further protection against high temperature oxidation. One of the most common methods providing high temperature oxidation resistance is the production of aluminide layers (NiAl-coatings).
Wojciech J. Nowak   +4 more
doaj   +1 more source

Influence of Silicon and Chromium on the Na2SO4-Induced Hot Corrosion Behavior of Titanium Alloys

open access: yesCrystals, 2023
Titanium alloys are widely used as construction materials in the aerospace and automotive industries. They have many advantages but also have limitations related to their susceptibility to high-temperature oxidation and hot corrosion.
Marzena Mitoraj-Królikowska
doaj   +1 more source

Nanocalorimetry of Nanoscaled Ni/Al Multilayer Films: On the Methodology to Determine Reaction Kinetics for Highly Reactive Films

open access: yesAdvanced Engineering Materials, Volume 27, Issue 3, February 2025.
Free‐standing Ni/Al multilayer thin films are investigated with a novel commercial nanocalorimeter and a conventional calorimeter. The Kissinger analysis shows a monotonic Arrhenius behavior over the entire five orders of magnitude of heating rates for all thermal events.
Sascha S. Riegler   +12 more
wiley   +1 more source

Effect of chromium and silicon additions on the hot corrosion resistance of nickel aluminide coatings

open access: yes, 2023
International audienceThe effects of chromium and silicon modification on the microstructure and hot corrosion resistance of slurry aluminide coatings applied on pure nickel was studied by in-depth microscopic analyses.
Montero, Xabier   +9 more
core   +1 more source

The Ni-Al-Hf Multiphase Diffusion

open access: yesArchives of Metallurgy and Materials, 2016
The generalized Darken method was applied to simulate the diffusion between γ-Ni| γ’-Ni3Al and γ’-Ni3Al|β-NiAl interfaces. The results of calculations were compared with the experimental concentration’s profiles of nickel, aluminum and hafnium in ...
Romanowska J.   +4 more
doaj   +1 more source

Intermetallic Aluminide Coatings by Magnetron Sputtering

open access: yesDEStech Transactions on Environment, Energy and Earth Sciences, 2017
It was studied the ways of obtaining the aluminide intermetallic coatings of Al-Ag, Al-Ti, Al-Cr, Al-V and Al-Mn systems by method of simultaneous magnetron sputtering of the reagents. It was produced the synthesis of coatings from stable phases AlAg2 +Ag3Al, AlCr2, Al8Cr5, AlCr2 + Al8Cr5, AlTi, AlTi3, Al8Mn5.
I.M. ALPYSBAY   +3 more
openaire   +2 more sources

RuAl Thin‐Film Deposition by DC Magnetron Sputtering

open access: yesAdvanced Engineering Materials, Volume 27, Issue 3, February 2025.
The synthesis and influence of deposition parameters on the corresponding microstructure of single‐phase RuAl in B2 structure is examined via transmission electron microscopy analysis and X‐ray diffraction with additional pole figure measurements. These are correlated to mechanical properties of the magnetron‐sputtered thin films.
Vincent Ott   +10 more
wiley   +1 more source

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