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Meeting Materials Science & Technology 2009
Symposium Recent Advances in Structural Characterization of Materials
Presentation Title Study of Oxide Scale and Carburization by Synchrotron X-Ray Microbeam
Author(s) Zuotao Zeng, Ken Natesan, Zhonghou Cai
On-Site Speaker (Planned) Zuotao Zeng
Abstract Scope Carburization and metal dusting, a catastrophic carburizing corrosion, are long standing problems in energy conversion and production systems such as hydrogen production, fuel cells, and natural gas turbines. All alloys are generally protected from degradation by oxide scales that develop on the alloy surface at high temperatures. To minimize detrimental degradation, oxide scales need to be carefully studied and their composition and phases should be optimized to achieve high resistance in various corrosive environments. However, it is difficult to obtain local phase information of oxide scale by regular XRD. Therefore, we applied nanobeam X-ray analyses to study these localized corrosion and found that the scale is actually a mixture of oxides and metal particles although oxide scale is usually considered to consist simply of oxide phases. These metal nanoparticles play a key role not only for metal dusting in petrochemical but also for carburization in oxy-fuel environment.
Proceedings Inclusion? Definite: A CD-only volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A High-Sensitivity Fiber-Optic Sensor for Fatigue Testing
Adhesive Bonding of Advanced High Strength Steels with Galvannealed Zinc Coating
Advances in Using High-Energy X-Rays for Materials Characterization at the APS 1-ID Beamline
Atomic Number Contrast Quantitative Scanning Transmission Electron Microscopy of Nanoparticles and Nanomultilayers
Characterization of Corrosion Films by Microbeam Synchrotron Radiation
Characterization of Thin Films by XAFS: Application to Spintronics Materials
Evolution of Stress States through the Elastic-Plastic Transition for an Embedded Neighborhood of Grains in Polycrystalline Ti-7Al Subject to Deformation In Situ
Factors Affecting Elemental Quantification at the Atomic Scale Using EELS
High Contrast Hollow-Cone Dark Field Transmission Electron Microscopy for Nanocrystalline Grain Size Quantification
In-situ Neutron Diffraction Measurements at SMARTS
Interpretation of EELS by Structural Variation Approach
Local Structure and Its Relationship to the Physical Properties of Low and Negative Thermal Expansion Materials
Measuring Elastic Strains with Sub-Micrometer Spatial Resolution in 3D: Dislocation Cell Structures in Deformed Cu
Measuring the Phase of a Superstructure
Microstructural Characterization of Snow and Ice
Monte Carlo Study of Diffuse Scattering and Short-Range Order in Functional Oxides
Nanoscale Characterization of Strain in Thin Films and Devices Using the Hard X-Ray Nanoprobe
Probing Nanoscale Correlations in Crystalline Materials Using Single Crystal Diffuse Scattering
Quantitative STEM-EDS Mapping and Analysis
Recovering Charge Density Profiles Using the Transport-of-Intensity Formalism
Strain Measurements in Thermal Barrier Coatings Using High Energy X-Rays and Photo-Stimulated Luminescence Spectroscopy
Structural Aspects of Plastic Deformation in Amorphous and Nanostructured Alloys Measured by In Situ X-Ray Scattering
Structural Characterization by Three Dimensional X-Ray Diffraction Microscopy
Structural Characterization of Functional Oxides Using in situ Diffraction
Structural Characterization of Long-Term Ordered Semiconductors
Studies on Size-Dependent Crystallinity of Pt Nanoparticles Supported on γ-Al2O3
Study of Oxide Scale and Carburization by Synchrotron X-Ray Microbeam
Submicron-Resolution Characterization of Local Microstructure Using Polychromatic X-Ray Microdiffraction
Submicron Beam X-Ray Diffraction Characterization of Selectively Grown Structures for Optoelectronics
Synchrotron Radiation and Diamond Anvil Cell: Chances of New Discoveries under High-Pressure
Three Dimensional Characterization of Magnetic Induction Using Lorentz Transmission Electron Microscopy
Time-Resolved X-Ray Microdiffraction for Probing the Structure of Ferroelectric Materials at High Electric Fields
Time Resolved Neutron Diffraction Studies of Hydrogen Storage Material
X-Ray Absorption and X-Ray Raman Scattering Studies of Battery Materials
X-Ray Diffraction Investigations: The Crystalline Properties of Some Perovskite Oxide Materials

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