DIFFUSION BONDING and processes of heat treatment

Diffusion Bonding has increasingly proved to be the welding technique most suited for obtaining large-scale, pressure-resistant and vacuum-tight welding joints which exhibit both a high durability and a high sustainability.

Similar to Additive Manufacturing, this welding technique is capable of producing multi-layered monolithic components or semi-finished products with internal hollow structures, which are impossible to achieve through any of the so far established machining technologies.

Among other things, Diffusion Bonding also allows for substance-to-substance bonding of materials which are either difficult or impossible to solder. Our research examines the thermo-mechanical behavior of materials, as well as the influence of surface topography and oxide layers on the process. Furthermore, we investigate experimental bonding processes – such as FEM-Simulation and Welding Parameter Qualification. We also provide the analytical assessment of the resulting welding joints by means of destructive and non-destructive material testing processes.

Your Contact

Dipl.-Ing. Felix Gemse +49 3641 204-120 Send e-mail

Dr. Steffen Dahms +49 3641 204-119 E-Mail schreiben

Our research concentrates on the following materials:

  • Copper and copper alloys
  • Aluminum and aluminum alloys
  • Low- and high-alloy steels, high-strength steels
  • Precious metals
  • Silica glass, borosilicate glass, chalcogenides, optical glasses
  • Machinable glass ceramics with low thermal expansion
  • Oxide and non-oxide ceramics
  • Crystals (e.g. sapphire, laser materials)

Recent Projects in the field of Diffusion bonding

EVP

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Development of a validated process chain for manufacturing of metal prototypes by means of material extrusion

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Development of an optimized pressure-sinter route for sinter-based additive manufacturing

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Thüringer Zentrum für Maschinenbau (ThZM)

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Thüringer Zentrum für Maschinenbau (ThZM)

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Diffusion bonded ceramic sheet-joints with high thermal shock resistance

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Quality assurance of diffusion bonds

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Alternative methods for solder applications

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Bonding of machining steel and titanium by means of TLPB

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Multiple diffusion bonding per furnace cycle

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Thuringian Center for Mechanical Engineering (ThZM) – Establishment and expansion of innovation centers within the framework of non-economic activity

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Manufacturing of large-sized components made of PMMA

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Development of a diffusion bonding manufacturing process for microreactors

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PAB

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Pressing force assisted brazing of steel assemblies

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Simulation and materials technological evaluation

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Silicatic components by means of LOM-processing

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Untersuchung des Entbinderns und Sinterns beim Materialextrusionsverfahren (MEX) und Erarbeitung von Korrelationen zwischen den gewählten Prozessparametern und den mechanischen Eigenschaften der Bauteile

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Entwicklung und Prüfung der Werkstoffeigenschaften

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Diffusionsschweißen mit nicht konstanter
Kraftaufbringung

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Spritzgießwerkzeuge – Diffmold/Metallurgie

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Untersuchungen zum stoffschlüssigen, metallischen Fügen von additiv gefertigten Komponenten

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Tempered large tools

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