Manufacturing of nanocomposite structural ceramic materials and coatings
by R. Gadow, F. Kern, A. Killinger
International Journal of Materials and Product Technology (IJMPT), Vol. 35, No. 3/4, 2009

Abstract: So far research on ceramic nanocomposites was focused on materials science aspects neglecting the development of suitable manufacturing technologies. The high performance properties of nanocomposites make final machining unaffordable. Near-net-shape manufacturing is mandatory to accomplish cost targets. Feedstocks with tailored micro-nano architecture can fulfil these requirements, using homogeneously dispersed nanosized powders in a matrix of sub-micron sized grains. Nanoceramic coatings deposited by thermokinetic deposition processes open new prospects and applications in surface technology. The novel HVSFS-process permits direct spraying of liquid nanodispersions in a HVOF torch yielding ultradense and thin oxide and cermet coatings for automotive, aerospace and mechanical engineering.

Online publication date: Sat, 23-May-2009

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