Nearly all industrial involve wear and/or corrosion. In most cases this attack to machines and equipment along with high cost is tolerated, since it is considered unavoidable, although appropriate protective measures can save maintenance, spare part and repair cost and increase production time due to less down time. By means of suitable “armouring” or installation of selected ceramic components as well as coatings good protection can be achieved.

Ceramics for corrosion and wear protection

Alumina

Silicon carbide (SiSic)

Nitride bonded Silicon carbide (N-SiC)

Coatings with ceramics, metals and hard metals

Corrosion and wear protection with Al₂O₃ ceramics "as fired" or machined. The material usually is 92 % Al₂O₃ in some cases also 99,7 % Al₂O₃

Tiles, mosaics, 500 mm x 500 mm x required thickness on paper/foil or rubber

Rods and tubes, pipes and rollers

Segments, special shapes

Bent segments
Cones

with N-SiC (nitride bonded SiC) and SiSiC (silicon infiltrated SiC)

Tiles, tubes

Segments, special shapes

Bent segments

Cones

with Al₂O₃, SiSiC, SSiC, ZrO₂, Si₃N₄, N-SiC and B₄C

specially formed and partly machined shapes in accordance with customers' drawings, to be used at locations of extreme wear

Thread guides

Wire guiding elements

Nozzles

Bearings

Sliding and impact surfaces

Scrapers

Mill linings


Coatings

(Flame-spraying, atmospheric and vacuum-plasma-spraying, high speed plasma spraying) with metals, hard metals, ceramics, composites and cermets

Ceramics:
CrO₂, ZrO₂, Al₂O₃ and mixtures with TiO₂, TiC, CrC₂, NiCr

Hard metals: WC-Co, WC-Ni

Metals: Mo, Ni, Cr, Al, Cu and mixtures with hard materials

Cermets: metal/ceramic-combinations

Composites: metal or ceramics with short fibre reinforcement or lubrication. Depending on application, products are provided with intermediate/adhesive and/or anti-corrosion layers. We can also apply hard metal layers permitted in food industry.

For sliding applications, we can incorporate anti-friction materials into the layers.

Print rolls casings, pump casings, impellers, rotors and pump wheels, pump housings, pump shafts, rotor shafts, mandrels, wire deflection pulleys, jet engines, slide rings, plungers, extruder cylinders and worms, soldering substrates, metal dies, chain bushings and bolts, industrial and household knives, heat exchangers in power plant technology.