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 | Nanotech 2006 Vol. 3
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 3
Chapter 2: Nanoscale Fabrication |
| | Experimental Study of Micro-feeding of Fine Powders by a Vibrating Capillary Tube | | Authors: | J. Shi, M. Mahinfalah and B. Jang | | Affilation: | North Dakota State University, US | | Pages: | 296 - 298 | | Keywords: | powder dispencing, capillary | | Abstract: | Micro-feeding of fine copper powders was experimentally studied by using a vibrating capillary tube. Three glass capillaries with different inside diameters were used in the experiment and the powder flow rate under different frequencies was measured. The mechanism of powder flow was also explained. For the capillary with ID=0.305mm, the largest flow rate was observed when the excitation frequency was around 5750Hz. At this frequency, the copper powder flow rate was much faster than expected. In the frequency range 2000-3500Hz, the average powder flow rate stayed at a very even level. But the flow stability is the best at 3500Hz: the printed pattern width and thickness are very uniform. | | ISBN: | 0-9767985-8-1 |
| Pages: | 913 |
| Hardcopy: | $185.00 |
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