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Fabrication of Te Micro-Tubes and TeO2 Micro-Wires From Powders by Cold Spray | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 30, Issue 19, 2012, Pages 3457-3466 PDF (519.68 K) | ||
| DOI: 10.30684/etj.30.19.13 | ||
| Authors | ||
| Mohammed S. Hamza; Alaa A. Abdul alhameed; Sinan salman Hamdi | ||
| Abstract | ||
| A one-dimensional micro-structured tellurium (Te) microtube and tellurium dioxide (TeO2) microwire were successfully prepared by cold spray process in large scale by a facile approach of sprayed (Te), (TeO2) dry powder in an inert atmosphere using helium gas onto glass substrate. Tellurium and Tellurium dioxide were sprayed by heating carrier gas at (200,300,400 and 500 °C) and 2 MPa pressure on the glass substrate (100°C). Heat treatment was done under vacuum (0.0133mbar) for (30 min) at (200°C) for Te and (400°C) for TeO2.The prepared microtubes and microwire was examined by XRD, AFM and SEM. The result showed that the obtained microtubes and microwire were highly pure. | ||
| Keywords | ||
| Cold Spray Process; Microtube; Tellurium; Tellurium Dioxide; Microwire | ||
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