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topic 10607

Si coating


We are looking for depositing silicon semimetal (with silica as minimum as possible) powders onto a surface of a component made from a porous carbon fibre preform of a given shape (disc for instance). Since the preform contains a certain volume percentage of porosity, penetration of the coating materials into the preform maze as they are laid down is OK.

- The finished coating's adhesion, thickness, surface roughness, and porosity are not important;

- The required quantity of the coating is the mass of the silicon per unit (norminal) area of surface of the preform to be treated, plus,

- The end coating needs to be silicon (not to be oxidised).

Any coating routes, esp those solid- and solution-based, will be considered. In this respect, any suggestions, comments, or possible help with the realisation of such coatings, will be highly appreciated.

Hong-Wei Wang
- Sheshire Innovation Park, Ince, Cheshire

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