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Meeting 2013 TMS Annual Meeting & Exhibition
Symposium Materials in Clean Power Systems VIII: Durability of Materials
Presentation Title An Alternative Low-Cost Process for Deposition of MCrAlY Bond Coats for Advanced Syngas/Hydrogen Turbine Applications
Author(s) Ying Zhang, Brian L. Bates, Jason C Witman, Joseph J. Simpson
On-Site Speaker (Planned)
Abstract Scope One of materials needs for the advancement of integrated gasification combined cycle (IGCC) power plants is to develop low-cost and effective manufacturing processes for applications of coating architectures with enhanced performance and durability in the syngas/hydrogen environments. The present study focuses on the synthesis of MCrAlY (where M = Ni, Co or a mixture of Ni and Co) bond coats via an alternative low-cost electrolytic codeposition process. As compared to the thermal spray processes, the electro-codeposition approach offers advantages such as non-line-of-sight and capability of producing dense and oxide-free coatings. Pre-alloyed CrAlY-based powders are codeposited into a metal matrix of Ni, Co or Ni-Co during the electroplating process, and a subsequent post-plating heat treatment converts it to the MCrAlY coating. The electro-codeposition parameters are being investigated to optimize the composition and microstructure of the coatings.
Proceedings Inclusion? Planned: A print-only volume


A Slag Management System for Gasification Operations
Advanced Conductive Coating Performance under Long-term SOFC Operating Conditions
Advanced Heat Resistant Austenitic Stainless Steel and Composite Tube Materials for High Efficient and Clean Energy Technology
ALCHEMI Studies of Cation Site Occupancies in Doped Manganese Cobaltite Spinels
An Alternative Low-Cost Process for Deposition of MCrAlY Bond Coats for Advanced Syngas/Hydrogen Turbine Applications
An Overview of the Mechanical Behavior of Solid Oxide Fuel Cell Substrates
Coatings for Improved High Temperature Durability
Corrosion Fatigue Studies of High Nickel Tubular Samples Containing Molten Salt
Corrosion of Membrane Materials for Hydrogen Separation from Coal-Derived Syngas
Creep Life Modeling for High Temperature Processes
Homogenizing Castings to Improve the Mechanical Properties of Traditionally Wrought Ni-Based Superalloys for A-USC Steam Turbines
Impact of Heat Transfer Media on Materials for Concentrated Solar Power
Improved Processing Efficiency and Microstructure Control of ODS Ferritic Alloys
Mechanistic-Based Lifetime Predictions for High Temperature Alloys and Coatings
Recent Developments in Creep-Resistant, Alumina-Forming Austenitic Stainless Steels
Sensitivity of Thermal Barrier Coating Degradation to Variations of the Chemical Composition of Molten Deposits
The Effect of Constituent, Interfacial Properties and Morphology on the Dielectric Response of MIEC Membranes
The Effect of High Vanadium Content in Coal-Petcoke Mixtures on the Stability of Solids in Gasification Slags

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