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Dr. Hanaor - Department of Ceramic Materials - TU Berlin's picture

Improved oxidation resistance of high emissivity coatings on fibrous ceramic for reusable space systems

Towards the development of reusable space systems, high emissivity coatings on fibrous ceramic substrates with improved thermal resistance are needed. In this study WSi2–MoSi2–Si–SiB6-borosilicate glass coatings were prepared on fibrous ZrO2 by slurry dipping and subsequent high temperature rapid sintering. A coating with 20 wt% WSi2 and 50 wt% MoSi2 presents optimal thermal stability with only 10.06 mg/cm2 mass loss and 4.0% emissivity decrease in the wavelength regime 1.27–1.73 μm after 50 h oxidation at 1773 K. The advantages of double phase metal-silicide coatings combining WSi2 and MoSi2 include improved thermal compatibility with the substrate and an enhanced glass-mediated self-healing ability.

hyunwoo's picture

Multifunctional “Hydrogel Skins” on Diverse Polymers with Arbitrary Shapes

In this paper, we introduce a new simple yet effective strategy to form "hydrogel skins" on polymer-based medical devices with arbitrary shapes. Hydrogel skins can convert any surface of polymer devices into robust, wet, soft, slippery, antifouling, and ionically conductive without affecting the original properties and geometries.


(long distance) research cooperation..

let me know if you are interested in long distance research cooperation.

can be as simple as you get my explaination if you want/need to cite my works, or co-authoring paper in things that we can work synergically, or even research collaboration.

the only thing that i will not respond is if you ask for job....:) cant give you that.

 here is some of my recent works:

 computational materials science, 50(4) 2011 pp.1499-1503

 theoretical and applied fracture mechanic, in press, doi:


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