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High-Temperature Corrosion of Chromia-Forming Ni-Based Alloys in CO2 Containing Impurities
Future technologies require structural materials resistant to environmental degradation in high-temperature CO 2 -rich environments. Herein, we exposed...
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High-Temperature Corrosion Kinetics of Selected Nickel-Based and Chromia-Forming Alloys in Air–HF–H2O Atmosphere
The goal of this work was to determine the corrosion resistance of selected nickel-based and chromia-forming alloys in an industrial air–HF–H 2 O...
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Effect of Volatile Species on Chemical Vapour Deposition of SiO2 During Corrosion of Chromia- and Alumina-Formers
Silicon-bearing vapour at low pressure was used to deposit SiO 2 during exposure of pure chromium, Fe-30Cr (wt.%) and Kanthal APM alloy to an Ar-10H 2 O-...
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Wear Performance of Alumina-Zirconia, Alumina-Zirconia-Chromia and Alumina-Zirconia-Magnesia in Machining AISI 1045 Steel
This study compares wear performance of Alumina-Zirconia, Alumina-Zirconia-Chromia and Alumina-Zirconia-Magnesia cutting tools when machining AISI...
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A Comparison of the Oxidation and Nitridation Properties of Selected Chromia- and Alumina-Forming Alloys at 800 °C
Three FeCrAl alloys and two chromia-formers (a stainless steel, and a Ni-base alloy) have been exposed in four environments (dry air, air + 20% H 2 O,...
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Passivation of the HAYNES® 214® Nickel-Based Superalloy via Pulsed Laser Deposition of Alumina and Chromia Coatings for Enhanced Corrosion Resistance at Intermediate Temperatures
The role of using pulsed laser deposition (PLD) as a means for applying alumina (Al 2 O 3 ) and chromia (Cr 2 O 3 ) coatings to the HAYNES® 214® alloy was...
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Molecular-scale investigation of the oxidation behavior of chromia-forming alloys in high-temperature CO2
Current and future power systems require chromia-forming alloys compatible with high-temperature CO 2 . Important questions concerning the mechanisms...
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Isothermal High Temperature Oxidation of Cantor’s-Based MC-Reinforced HEAs Versus Their Mn and Cr Contents
The behaviors in oxidation at high temperatureHigh temperature of a cast Cantor’s alloy, and of its derived versions involving MC carbidesMC carbides...
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Determination of the Maximum Surface Chromia Thickness for the Nondestructive Identification of Internal Alumina Scales on a Heat-resistant Alloy Using Cathodoluminescence
To develop a nondestructive analytical method for identifying internal α-Al 2 O 3 scales formed in heat-resistant alloys, the maximum thickness of...
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About the Synergetic Influence of Manganese and Silicon on the Oxidation Rate of Chromia Forming Nickel-Based Model Alloys at 1050 °C
The oxidation behavior of Si- and/or Mn-Ni-25Cr alloys at 1050 °C in air was studied to provide new insights on the effect of minor additions on...
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An Expanded Model for the Pressure Effect in Metal Dusting of Mn-Containing Alloy 600 Based on Advanced Scale Characterization
Commercial alloy 600 was exposed to a metal dusting inducing gas mixture to investigate the effect of ambient and elevated pressures on the oxide...
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Oxide scale microstructure and failure mechanism of alloy 601 under varying metal dusting conditions
Chemical plants which process highly carbonaceous gases at elevated temperatures are prone to catastrophic corrosion by metal dusting. Typically,...
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Effect of Water Vapor and Oxygen Partial Pressure on Oxidation of Fe and Fe–Cr Alloys
Pure iron and binary Fe–Cr alloys containing 5–30 wt% Cr were exposed to Ar-20O 2 , Ar-20H 2 O and Ar-20O 2 -20H 2 O (vol%) for 10, 100 and 300 h at 700 °C....
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Effect of Surface Oxide on Decarburization Reaction in the Austenitic Steel S304HCu
In the present work, the high-temperature decarburization of the austenitic stainless steel S304HCu in Ar–4%H 2 –xH 2 O at temperatures between 1000 and...
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Growth Kinetics and Characterization of Chromia Scales Formed on Ni–30Cr Alloy in Impure Argon at 700 °C
The oxidation of a Ni–30Cr alloy at 700 °C in impure argon was studied in order to provide new elements of understanding on chromia scale growth in...
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Behaviors in Oxidation at 1100°C of an Equimolar CoNiFeMnCr High-Entropy Alloy and of its Versions Moderately Added with HfC or TaC Carbides
Three cast alloys based on a HEA composition were exposed to air at 1100°C for 50 h, a simple equimolar CoNiFeMnCr alloy, an equimolar CoNiFeMnCr...
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Unraveling the role of tungsten as a minor alloying element in the oxidation NiCr alloys
Ni-based superalloys offer a unique combination of mechanical properties, corrosion resistance and high temperature performance. Near ambient...
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Nanoparticles Application in Promoting the Growth of a More Protective Oxide Scale at High Temperatures
Owing to a very high surface-to-volume ratio, nanoparticles (NPs) have unique physical and chemical properties distinguishable from those of their...
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Oxidation kinetic behavior and microstructure mechanism of GH3536 alloy fabricated by laser powder bed fusion
This study comprehensively investigates the oxidation kinetics of laser powder bed fusion (LPBF) processed GH3536 superalloy at 950 °C. The oxidation...
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Improved Assessment of Chromium Evaporation Rates in Solid Oxide Cell Balance of Plant Component Alloys
The chromium (Cr) evaporation from balance-of-plant (BoP) component alloys in high-temperature environments can severely deteriorate the...
