Second Phase Precipitation in As-Welded and Solution Annealed Alloy 22 Welds
| Autor: | Sharon G. Torres, Bassem S. El-Dasher |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
Materials science
Precipitation (chemistry) Scanning electron microscope Annealing (metallurgy) Mechanical Engineering Metallurgy Alloy Welding engineering.material Microstructure Pressure vessel law.invention Mechanics of Materials law engineering Safety Risk Reliability and Quality Electron backscatter diffraction |
| Zdroj: | Volume 7: Operations, Applications, and Components. |
| DOI: | 10.1115/pvp2005-71665 |
| Popis: | The precipitation characteristics of tetrahedrally close-packed (TCP) phases during the welding and the subsequent solution annealing process of Alloy 22 1 1/2” thick plate double-U prototypical welds are investigated. Electron backscatter diffraction (EBSD) was used to provide large scale microstructural observation of the weld cross section, and scanning electron microscopy (SEM) was used to map the location of the TCP phases. Analysis shows that TCP precipitation occurs congruent to the weld passes, with the solution annealing reducing the sizes of coarser precipitates.Copyright © 2005 by ASME |
| Databáze: | OpenAIRE |
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