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Analysis techniques for tracer studies of oxidation. m. s. thesis final report
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Basu, S. N. |
| Copyright Year | 1984 |
| Description | Analysis techniques to obtain quantitative diffusion data from tracer concentration profiles were developed. Mass balance ideas were applied to determine the mechanism of oxide growth and to separate the fraction of inward and outward growth of oxide scales. The process of inward oxygen diffusion with exchange was theoretically modelled and the effect of lattice diffusivity, grain boundary diffusivity and grain size on the tracer concentration profile was studied. The development of the tracer concentration profile in a growing oxide scale was simulated. The double oxidation technique was applied to a FeCrAl-Zr alloy using 0-18 as a tracer. SIMS was used to obtain the tracer concentration profile. The formation of lacey oxide on the alloy was discussed. Careful consideration was given to the quality of data required to obtain quantitative information. |
| File Size | 3554287 |
| Page Count | 127 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19850003854 |
| Archival Resource Key | ark:/13960/t8kd6r215 |
| Language | English |
| Publisher Date | 1984-11-01 |
| Access Restriction | Open |
| Subject Keyword | Nonmetallic Materials Grain Boundaries Particle Size Distribution Heat Resistant Alloys Reaction Kinetics Aluminum Alloys Oxidation Iron Alloys Chromium Alloys Diffusion Microstructure Tracers Zirconium Alloys Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Thesis |
