| Yazarlar |
Dr. Öğr. Üyesi Farzin ARİANPOUR
Kastamonu Üniversitesi, Türkiye |
Faramarz Kazemı
|
|
Hamıd Reza Rezaie
|
|
A. Asjodi
|
| Özet |
| Zirconium carbide (ZrC) has extended application in many ceramic and metal matrix composites especially used for ultra high temperature conditions. The synthesis of zirconium carbide powder is costly and difficult because of its high refractoriness and chemically inert properties. In this research, the synthesis of zirconium carbide nano powder at low temperature via carbothermal reduction route was investigated according to thermodynamic data. The starting materials were zirconium acetate and sucrose as zirconium and carbon sources, respectively. After preparation of different carbon/zirconium ratio containing precursors, the dried precursors were heat treated at 1400°C and vacuum atmosphere. Also the ZrC formation was followed by thermal analysis of the produced precursors. The phase evolutions and microstructural studies were carried out using X-ray diffraction and scanning electron microscopy. The results showed that it is possible to synthesis zirconium carbide nano powder with round shape and crystallite sizes smaller than 20 nm at low temperatures. Also according to thermodynamic calculations, it was concluded that by applying vacuum condition, the zirconium carbide formation can occur at less than 1000°C which is very effective on the size reducing of produced ZrC nano powders. © (2013) Trans Tech Publications, Switzerland. |
| Anahtar Kelimeler |
| Carbothermal reduction | Nano powder | Thermal analysis | X-ray characterization | Zirconium carbide |
| Bildiri Türü | Tebliğ/Bildiri |
| Bildiri Alt Türü | Tam Metin Olarak Yayımlanan Tebliğ (Uluslararası Kongre/Sempozyum) |
| Bildiri Niteliği | Alanında Hakemli Uluslararası Kongre/Sempozyum |
| Bildiri Dili | İngilizce |
| Kongre Adı | 8th International Conference on Diffusion in Solids and Liquids DSL2012 |
| Kongre Tarihi | 01-06-2012 / 05-06-2012 |
| Basıldığı Ülke | |
| Basıldığı Şehir | Istanbul |
| Atıf Sayıları | |
| SCOPUS | 3 |
| Google Scholar | 4 |
