Tracking Interphases in Directionally Solidified Zn-Al Binary Alloys
| Autor: | Sergio Fabian Gueijman, Carlos Enrique Schvezov, Alicia Esther Ares |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
Materials science
Polymers and Plastics PHASE TRANSFORMATIONS Metallurgy Alloy Metals and Alloys Analytical chemistry DIRECTIONAL SOLIDIFICATION Binary number INGENIERÍAS Y TECNOLOGÍAS engineering.material INTERPHASES OF SOLIDIFICATION Mechanics of Materials Ingeniería de los Materiales Ceramics and Composites engineering ZINC-ALUMINUM ALLOYS Eutectic system Directional solidification INTERPHASE BOUNDARY DYNAMICS |
| Popis: | In the present work, we investigated the movement of [liquid/(solid+liquid)] interphases [L/(S+L)], [(solid+liquid)/(eutectic+solid+liquid)] interphases [(S+L)/(E+L)], [(eutectic+solid +liquid)/solid] interphases [(E+L)/S], and [(solid+liquid)/solid] interphases [(S+L)/S], running in a binary Zn-Al alloy system from the chilled ends of a hemicylindrical sample. We found that under specific solidification conditions, new [(S+L)/(E+L)] and [(S+L)/S] interphases can be created in the center of the sample, and then move toward the ends of the probe and collide with the solidification advancing fronts. In a horizontal setup with chilled ends we determined the speeds and accelerations of the four imposed interphases, two of which moved from left to right and two of which moved from right to left. We were also able to detect the creation of new [(S+L)/(E+L)] and [(E+L)/S] or [(S+L)/S] interphases created near the center of the sample, and to calculate their speeds and accelerations from the near beginning of the creation to the instant in which they collided with the imposed solidification fronts. Fil: Gueijman, Sergio Fabian. Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas y Naturales. Grupo de Materiales, Modelización y Metrología; Argentina Fil: Schvezov, Carlos Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional de Misiones; Argentina Fil: Ares, Alicia Esther. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Nordeste; Argentina. Universidad Nacional de Misiones; Argentina |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|