Search
Search Results
-
Revisiting Wagner’s Criteria to Predict Establishment and Retention of Alumina Scales on Ternary NiCrAl Alloys
Despite the advent of numerical modeling approaches and high-performance computing infrastructure, the design and development of corrosion-resistant...
-
Characterization and Corrosion Behavior to Molten Zinc of TiAl-Nb/NiCrAl Gradient Coatings
In the present work, TiAl-Nb/TiAl-Nb + 50%NiCrAl/NiCrAl triple-layer coating (TC) and TiAl-Nb/NiCrAl gradient coating (GC) were fabricated by...
-
Thermal Shock Failure Behavior of TiZrNiCuBe Metallic Glass/NiCrAl-Bentonite Abradable Flame-Retardant Composite Coatings
A composite TiZrNiCuBe metallic glass/NiCrAl-bentonite coating was prepared on TC4 titanium alloy. Thermal shock testing of the coating was...
-
High Temperature Oxidation and Tribological Behaviors of NiCrAl-Graphite Self-Lubricating Composites
Nickel–graphite self-lubricating composites are a promising candidate to be used in turbine constructions that are usually exposed to high...
-
Preparation and Performance of an Abradable NiCrFeAlBN-YSZ-NiCrAl Layered Seal Coating for Aircraft Engines
Ti 2 AlNb alloys are often used to fabricate high-pressure compressor blades and casings in aircraft engines with high thrust/weight ratios. In this...
-
Electron-Beam and Plasma Oxidation-Resistant and Thermal-Barrier Coatings Deposited on Turbine Blades Using Cast and Powder Ni(Co)CrALY(Si) Alloys I. Fundamentals of the Production Technology, Structure, and Phase Composition of Cast NiCrAlY Alloys
The process of producing alloys with elements that are uniformly distributed throughout an ingot is described. The structural features of NiCrAlY...
-
Effects of Cr and Al Contents on the Preparation of SiC Fiber-Reinforced NiCrAl Alloy Matrix Composite
In this work, the effects of Cr and Al contents on the preparation of SiC fiber-reinforced NiCrAl alloy matrix composites (SiC f /Ni–20Cr–5Al, SiC f /Ni–1...
-
Electron-Beam and Plasma Oxidation-Resistant and Thermal-Barrier Coatings Deposited on Turbine Blades Using Cast and Powder Ni(Co)CrAlY(Si) Alloys Produced by Electron-Beam Melting II. Structure and Chemical and Phase Composition of Cast CoCrAlY Alloys
The structure and chemical and phase composition of oxidation-resistant CoCrAlY alloys produced by electron-beam melting and used in aircraft...
-
High-Speed Rubbing Behavior of Abrasive Coating Coated on Titanium Alloy Blade Tips
In aero-engines, abrasive coatings are typically utilized to protect the blade tip from excessive wear caused by the harder abradable sealing coating...
-
Development and High-Temperature Corrosion Performance of MCrAl(Y) Coatings Prepared by Electrochemical Deposition: A Brief Review
Owing to good physical compatibility with high-temperature metallic structural materials, Cr 2 O 3 - or Al 2 O 3 -forming MCrAlY coatings have been...
-
A perspective on corrosion of multi-principal element alloys
Metallic alloys are critical to essentially all advanced technologies and engineered systems. The well-documented impact of corrosion (and oxidation)...
-
High-Temperature Oxidation of NiAlCr–Ca and NiAlCr–Sr Alloys in Air
In this study, interrupted oxidation behavior of synthetic NiAlCr–Ca (Ca = 0.3, 1.4, 2 at.%) and NiAlCr–Sr (Sr = 0.4 at.%) alloys in the air at...
-
Lessons Learned in Employing Data Analytics to Predict Oxidation Kinetics and Spallation Behavior of High-Temperature NiCr-Based Alloys
Machine learning (ML) can offer many advantages in predicting material properties over traditional materials development methods based solely on...
-
The Effect of Ti on the Early Stages of Oxidation of an Alumina-Forming NiCrAl Alloy
AbstractModel γ -NiCrAl alloys with and without titanium were oxidized for short times up to 32 h at 1000 °C and subsequently characterized by...
-
Invited Review Paper in Commemoration of Over 50 Years of Oxidation of Metals: Alumina Scale Adhesion Mechanisms: A Retrospective Assessment
Key factors related to protective alumina scale adhesion are reviewed in an historical context. Critical experiments that solidified the framework of...
-
Discontinuities in Oxidation Kinetics: A New Model and its Application to Cr–Si-Base Alloys
Some alloys such as many Cr-based systems show mass gain discontinuities during thermogravimetric measurements which strongly affect the oxidation...
-
Static and Dynamic Corrosion Behaviors of HVOF-Sprayed TiAl-Nb Coating in Molten Zinc
The static and dynamic corrosion of TiAl-Nb coating in molten zinc could be divided into incubation period and rapid corrosion period. It has a long...
-
Oxidation Behavior of Candidate NiCr Alloys for Engine Exhaust Valves: Part I—Effect of Minor Alloying Elements
Oxidation-induced degradation of structural materials employed as exhaust valves within internal combustion engines (ICEs) will be a relevant...
-
Environmental Factors Affecting the CaSO4-Induced Corrosion of Ni-Based Superalloys N5 and N500
In previous work, it was shown that CaSO 4 -induced corrosion can cause significant internal oxidation in single-crystal Ni-based superalloys similar...
-
The Reactive Element Effect
Rationalizing the reactive element effect operative in alumina- and chromia-forming alloys upon oxidation under oxidizing hot gas atmospheres,...
