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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sabol, J. C. Misiolek, W. Z. Oztekin, A. Neti, S. |
| Copyright Year | 2012 |
| Abstract | Of the new material systems under investigation for use in higher temperature phase change material-based solar thermal energy storage (TES) systems, Zn encapsulated in Ni is proposed to increase storage capacity and efficiency by allowing solar TES systems to operate at higher temperatures. However, it is possible that the formation of intermediate phases could impede such storage. This study serves to characterize the intermediate phases formed between Zn and Ni at approximately 450 °C for various exposure times between 1 and 16 h. Out of four possible intermediate phases present in the Ni–Zn equilibrium phase diagram, only two were found to exist between Ni and Zn upon quenching under experimental conditions. The combined layer thicknesses for each specimen increased with increasing exposure time and ranged from 25 to 335 μm in the specimens exposed 1 and 16 h, respectively. Electron probe microanalysis showed that the compositions of each intermediate phase corresponded to the γ and δ phases of the Ni–Zn equilibrium phase diagram. Electron backscattered diffraction confirmed the presence of the γ and δ phases and showed that their structures corresponded to the NiZn$_{3}$ and Ni$_{3}$Zn$_{22}$ structures, respectively. |
| Starting Page | 208 |
| Ending Page | 216 |
| Page Count | 9 |
| File Format | |
| ISSN | 21929262 |
| Journal | Metallography, Microstructure, and Analysis |
| Volume Number | 1 |
| Issue Number | 5 |
| e-ISSN | 21929270 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-10-13 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ni–Zn intermediate phases Phase identification and characterization EBSD Structural Materials Nanotechnology Metallic Materials Surfaces and Interfaces, Thin Films Characterization and Evaluation of Materials |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys |
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