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Meeting Materials Science & Technology 2020
Symposium High Temperature Corrosion and Degradation of Structural Materials
Presentation Title Effect of Al Addition on Oxidation Behavior of a New Mo-Si-B Alloy
Author(s) Longfei Liu, John H. Perepezko
On-Site Speaker (Planned) John H. Perepezko
Abstract Scope Both isothermal and cyclic oxidation behavior of Mo-6Si-12B-(1, 2, 4, 8)Al samples have been studied. With increase of Al content, isothermal oxidation resistance gets better while cyclic oxidation resistance becomes worse. Mo-6Si-12B-4Al sample oxide layer consist of both Al-doped borosilicate glass phase and mullite phase and has the best overall oxidation performance. Al diffusion rate is two orders bigger than Si in mullite, it explains the high Al sample has best isothermal resistance. Low viscosity of Al-doped borosilicate glass provide self-healing effect which related good cyclic oxidation performance of low Al content samples.
Proceedings Inclusion? Undecided


Corrosion Study of Stainless Steel 316 with Different Coatings in MgCl2-KCl Heat Transfer Fluid
Effect of Al Addition on Oxidation Behavior of a New Mo-Si-B Alloy
Elucidating Influence of Alloy Composition, Thermal Cycling and Environment on Oxidation Behavior of Engine Exhaust Valve Materials
Environmental Resistance and Microstructure Design in Mo-Si-B Alloys
Exploring Materials Options for sCO2 Applications: Steels to Cermets
Influence of the Water Vapor on Oxide Scale and Alpha Case Layer in Ti6Al4V
Introductory Comments: High-temperature Corrosion and Degradation of Structural Materials
Kinetic Modeling of High-temperature Oxidation of Pure Metals by Incorporating Wagner’s Theory into the CALPHAD Approach
Long-term Oxidation Behavior of Chromia-forming Alloys in High-temperature CO2 and Air
Machine Learning and Data Analytics for Accelerating High-temperature, Corrosion-resistant Materials Design
Metal Dusting of Ni-based Alloys at Elevated Pressure in Different Gas Compositions
The Effect of Surface Treatment on the Formation, Structure, and Chemistry of Protective Oxide Scale on High-temperature Oxidation-resistant Nickel Alloys
Thermochemical Stability of EBC Silicates in High-temperature High-velocity Water Vapor

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