We have developed ‘active’ surfaces, in which coating surfaces are able to mechanically or chemically change their surface properties. Typically, we dynamically control surface topographies in the (sub) micrometer range where surfaces transfer from a flat state to the pre-designed corrugated stated under external stimuli, such as light, electric field and temperature. Also, we develop coatings that are capable to repeatedly emit (and can uptake again) various fluids. With these coatings macroscopic effects have been demonstrated in practical applications. Examples are switchable tribology by which friction is modulated dynamically for robotic handling (pickup and release objects) and surface material transport in which a dust mitigation method, without the aid of water, is developed and demonstrated.
One important potential application of these coatings is tactile feedback. The existing haptic systems mainly convey visual and audio signals while touch sensation is poorly developed. Surfaces that could deliver touch feedback allow interaction between human machine and enhance human touch experience. Current touchscreen technologies convey feedback, mostly in the form of vibration. Although it acknowledges users’ input, it is global rather than local. The advantages of the dynamic coatings are that they localize haptic feedback in various perception forms, such as friction changes, modulus changes and surfaces that switch between ‘dry’ and ‘wet’.
More information can be found at www.danqingliu.nl.
We are looking for talented, motivated and enthusiastic postdoctoral students who meet the following requirements:
Do you recognize yourself in this profile and would you like to know more?
Please contact dr. Danqing Liu, email: d.liu1[at]tue.nl
For information about terms of employment, please contact
Ms. P.J. van de Weijer, HR-advisor, p.j.v.d.weijer[at]tue.nl
Please visit www.tue.nl/jobs to find out more about working at TU/e!
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