GSI – Gesellschaft für Schweißtechnik international mbH
SLV – Schweißtechnische Lehr- und Versuchsanstalten
Schweißtechnik - WeiterbildungschweißenSchweißtechnik Indrustrie

Contractual Research

Based on the present results of public research and with a clear direction towards the demands of the respective customers work on research and development is performed on the basis of contracts with private customers. Despite exclusive rights of use of the contractual partners particularly for small and medium-sized companies there are possibilities of public sponsorship of cooperation projects.

  • Development and optimization of process variants related to application
  • Selection of processes and equipment
  • Examination of the material behaviour
  • Analysis of the company manufacture
  • Establishment of concepts of rationalization
  • Evaluation concerning the measurement of processes and equipment
  • Improvement of the working conditions
  • Constructive design of welded parts
  • Development of software
  • Simulation of temperature distribution, distortion, residual stresses and structural state

With regard to the core competences of the individual locations, either the single institutes directly or the coordination body can be contacted.

Pressure welding

  • Resistance welding
  • Stud welding
  • Flash butt welding
  • Magnetic pulse welding
  • Ultrasonic welding

Arc welding

  • Metal arc welding
  • Plasma arc welding
  • Submerged arc welding

Friction welding

  • Linear friction welding
  • Rotational friction welding
  • Friction-stir welding


  • Flame brazing
  • Induction brazing
  • Furnace brazing

Beam processing

  • Laser beam welding and cutting
  • Electron beam processing

Thermal cutting

  • Flame cutting
  • Plasma cutting
  • Laser beam cutting

Surface treatment

  • Wear protection by welding
  • Thermal spraying


  • Plastic bonding
  • Glass bonding
  • Metal bonding

Mechanical joining processes

  • Riveting
  • Clinching