HANNOVER MESSE 2020, 20 - 24 April
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Superfine, robust, and low priced

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Karlsruher Institut für Technologie

Exhibitor details
Exhibitor details
Logo Superfine, robust, and low priced

Product description

Porous ceramics are used as filters in water or waste gas treatment and in various other applications. Conventional methods for porous-ceramics manufacture in certain respects may have significant disadvantages for product manufacturing processes or material properties. Particularly very fine porous ceramics whose pores are smaller than ten micrometers can either not be manufactured at all using such techniques or else are of bad quality or cumbersome to fabricate. Moreover, there are further disadvantages, that maximize the demand for alternative production methods for macroporous ceramics.A new method developed by KIT has the potential of enabling a low-cost, relatively simple manufacture of ceramics with pores sized 0.1 to 100 micrometers for the mass market. The method is based on the use of capillary suspensions consisting of one solid and two immiscible liquid or molten phases. A robust particle network forms and flow properties start changing when a small portion of the second liquid is added to the suspension that consists of the solid and the first liquid phase. Depending on the type and quantity of the second liquid added, one obtains a robust, ductile material whose spacings are filled with the two liquids. After separation of the two liquid phases through debindering and subsequent sintering, one obtains a molded part with precisely shaped and defined pores. Industrial standard methods are used for the entire manufacturing process.It is also possible to manufacture plastic foams e.g., for packagings or thermal insulation as well as plastic membranes with pores in the micrometer range.

You can get an overview of this technology at KIT stand. Detailed information can be exchanged individually in contact with the responsible scientific employees of KIT after the industry fair.

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