Sintering

Topic

Focus of work
 

  • Sintering of nitrides, carbides, silicides, borides, oxides and composites in suitable furnaces and under adjusted furnace atmospheres
  • Monitoring and adjustment of the sintering atmosphere through selected process gases and kiln furniture
  • Upscaling of sintering processes under consideration of thermophysical data and parameter
  • Process adjustment for sintering of large-scale components under consideration of thermophysical data and parameter
  • Thermodynamic and formal kinetic approaches

 

Services offered

 

  • Research and technological services for sintering of ceramic and powder metallurgical components and composites
  • Melt infiltration of porous ceramic and carbon-based parts;
  • Technology development for gas pressure sintering using process-integrated dilatometer
  • Process design, upscaling and optimization of prototypes, small-series and batch production
  • Consultation for design and quality assurance of sintering processes


Technical equipment

Air furnaces up to V = 500 l T = 1800 °C p = 1 bar Air, O2
Vacuum/gas furnaces up to V = 550 l T = 2600 °C p = 10-6 to 1 bar Vac., N2, Ar, H2, CH4, CO
Gas pressure sintering furnaces up to V = 50 l T = 2000 °C p = 100 bar N2, Ar
Hot isostatic presses up to V = 30 l T = 2000 °C p = 2000 bar N2, Ar
Hot presses up to Ø 220 mm T = 2200 °C p = 50 MPa Vac., N2, Ar
Hybrid-heated FAST/SPS up to Ø 100 mm T = 2400 °C p = 50 MPa Vac., N2, Ar, Ar/H2