Nanotech 2010

Tunable Wetting of Titanium and Gold Based Wicking Materials

C. Ding
University of California, Santa Barbara, US

Keywords: superwetting, NST, titanium, cooling, heat pipe


We quantitatively report the experimental super-wetting results of wicking materials fabricated with bulk titanium micromachining, nano-scale surface modification and gold plating techniques. The results show all the four samples are completely wettable with water but with different wetting velocity profiles. This indicates that the a wicking material can be designed and/or modified to provide tunable wettability for the design needs of micro-fluid based cooling systems such as a thin and flat heat pipe.
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