Manufacturing technology

   

Powder preparation

• Airflow mill
• Stirring ball mill
• Attritor
• sieve stacks
• vibration mill, Retsch, with Al₂O₃- and WC- grinding beaker
• rotational viscosimeter Rheolab MC 10, Physica
• diverse vibrating plates
• particle analyzer Horiba LA-950, Retsch
• rotation station for ceramic slurries with different grinding bodies and beakers
• Hall-flowmeter

 

Forming and manufacturing

• Selective laser melting machine, Realizer SLM 100, built in 2012, construction volume of 125 x 125 x 125 mm³, Ytterbium fiber laser with maximal laser power of 200 W and wave length of 1070 nm, shielding gas Ar
• Field assisted/spark plasma sintering facility, FCT systems, built in 2011, maximum sample size Ø = 80 mm, h = 38 mm, process parameter: T_max= 2400 °C, p_max = 250 kN, process atmosphare Ar, N₂ or vacuum
• Hot-isostatic Press, ABRA, built in 1987, pressure vessel size of Ø _i = 200 mm and h = 300 mm up to process temperature of 1500 °C and pressure of 1950 bar
• Cold-isostatic Press, EPSI, built in 2009, pressure vessel size of Ø _i = 200 mm and h = 800 mm up to a pressure of 4000 bar, diverse latex and PVC moulds for tube, cylinder and disk shapes
• uniaxial hand press up to 200 kN press capacity
• uniaxial press up to 6 t, 60 t and 600 t press capacity

 

Heat treatment

• chamber furnace HT 1000/17 /Nabertherm up to furnance temperatur of 1750°C,volume 1 m³, air
• diverse chamber furnaces in different sizes with ceramic or metallic heating elements, up to 1800 °C, air
• vacuum inerat gas furnace IBV with graphite lining, up to 2200 °C, N₂/Ar
• corrosion tube furnace, CeramiAix, up to 1550 °C, N₂/ O₂/ Ar
• mobile temperature measurement via data logger with up to 8 thermocouples, Pt-resistor element or pyrometer