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Joining technology

Joining technology and quality management

Contacts: Dr.-Ing. Kai Treutler, Dr.-Ing. Hennig Wiche

Research areas

  • Materials science and metallurgical processes in joining
  • Production of composite materials (metal/ceramic, cast iron/steel, light metals/steel, light metal/light metal)
  • Press and laser beam welding of light metals (Al and Mg alloys) Welding consumables and welding technologies for duplex steel and cast materials
  • Joining technology for microelectronics

Features

  • Arc welding processes (MIG/MAG, TIG/plasma, UP, orbital welding)
  • Vacuum diffusion welding system
  • Hot isostatic press
  • Thick-wire and thin-wire bonders, semiconductor diode lasers, cold-press butt welding machine
  • Laser vibrometer
  • Wetting balance, short-time annealing device
  • Welding simulation systems, melting and heat treatment furnaces
  • Optical and contact dilatometry
  • Destructive and non-destructive testing methods (instrumented notched impact test, tensile test with laser-optical strain measurement, resonance testing, high-speed tensile testing machine, ultrasonic hardness tester, pull tester, shear tester, specular angle meter, ultrasonic testing)
  • Hydrogen and oxygen analysis equipment
  • Metallographic examination methods (SEM with EDX, TEM, light microscope with differential interference contrast)
  • Software: expert system “Welding of Spheroidal Graphite Cast Iron,” quality database “Welding of Cast Iron Materials,” WEZ calculator, welding simulation and dilatometry program “Temper”

Range of services

  • Process and material research in joining technology
  • Optimization of process and production workflows as well as quality management for manufacturing facilities
  • Development of business strategies in the raw materials and capital goods industries
  • Consulting and expert witness services