Investigation of the thermoelectrical properties of the Sn91.2-x–Zn8.8–Agx alloys
| Autor: | Ümit Bayram, E. Çadırlı, P. Ata Esener, M. Şahin |
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| Přispěvatelé: | 0-Belirlenecek, Şahin, M., Department of Electronics and Automation, Technical Vocational School of Sciences, Niğde Ömer Halisdemir University, Niğde, Turkey -- Çadırlı, E., Department of Physics, Faculty of Arts and Sciences, Niğde Ömer Halisdemir University, Niğde, Turkey -- Bayram, Ü., Department of Physics, Faculty of Science, Erciyes University, Kayseri, Turkey -- Esener, P.A., Department of Metallurgical and Materials Engineering, Faculty of Engineering and Architecture, Nevşehir Hacı Bektaş Veli University, Nevşehir, Turkey |
| Jazyk: | angličtina |
| Rok vydání: | 2018 |
| Předmět: |
010302 applied physics
Materials science Directional solidification Specific heat Enthalpy Analytical chemistry Electrical resistivity 02 engineering and technology 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Differential scanning calorimetry Thermal conductivity Electrical resistivity and conductivity 0103 physical sciences Physical and Theoretical Chemistry 0210 nano-technology Spectroscopy |
| Popis: | Sn91.2-x–Zn8.8–Agx alloys (x = 0.15–10.0 wt%) were directionally solidified upwards at a constant G (4.16 K mm-1) and V (41.5 µm s-1) in a Bridgman-type directional solidification furnace. The electrical resistivity (?) measurements of the alloys depending on the temperature were performed using the standard four-point probe method, and the temperature coefficients of the resistivities (?) were calculated. Composition analyses of the alloys were carried out using energy-dispersive X-ray spectroscopy. The enthalpy (?H) and the specific heat (?Cp) values of the alloys were determined by differential scanning calorimetry analysis. The thermal conductivity (K) values were obtained from the Wiedemann–Franz equation. According to the experimental results, electrical resistivities increased up to 3.0 mass% Ag and decreased with further increase in Ag content. Enthalpy and specific heat values decreased with the increasing content of Ag. The results were compared with the previous works for Sn–Zn–Ag alloys. © 2017, Akadémiai Kiadó, Budapest, Hungary. Ömer Halisdemir Üniversitesi Acknowledgements This project was supported by the Nig^de Ömer Halisdemir University Scientific Research Project Unit under Contract No: FEB 2013/18. The authors would like to thank to Nig^de University Scientific Research Project Unit for their financial support. |
| Databáze: | OpenAIRE |
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