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Logo Institut für Füge- und Schweißtechnik der TU Braunschweig
Advanced composites and interfaces
  • Advanced composites and interfaces
    • Prof. Dr. rer. nat. Sven Hartwig
    • Equipment & Infrastructure
    • Research & Projects

Advanced composites and interfaces

Bruchbild einer Klebverbindung

The Department of Advanced composites and interfaces is concerned with joining processes and the property profile of joined components, with special focus on lightweight materials and construction methods at the Open Hybrid LabFactory (OHLF) site in Wolfsburg.

In research and teaching, the main focus is on the joining of different components in hybrid parts. This includes, for example, the form and/or material-locking connection of the polymer components to the metallic structures, but also the adhesion between matrix and fibres in a fibre composite. To optimize the composite, the properties of interfaces must be determined and evaluated. In many cases, a surface treatment must then be carried out, which can be mechanical, physical or chemical. In addition, research and optimization of the processes is required, which is mainly aimed at shortening process times and making the processes more robust. Furthermore, new testing methods have to be established to better describe the material behaviour.

Our equipment

OHLF-Technikum

With the department of Advanced composites and interfaces, the Institute of Joining and Welding is fully integrated into the infrastructure of the Open Hybrid LabFactory in Wolfsburg.

Complex and multilayered research fields with high research risk and special potential for leapfrogging innovations can be worked on in this facility. The technological activities focus on the simultaneous development of materials and production technology in multi-material systems for hybrid lightweight construction.

For this purpose, the research factory covers the entire value chain for hybrid components; from conceptual design to the development of carbon fibres and textile production as well as hybrid manufacturing processes including recycling.

more

About our research

Prüfung einer pressgefügten Zugscherprobe
Testing of a direct-bonded lap-shear specimen

The permanent bond between plastic and metal or fibre requires a deeper understanding of the interaction at the atomic or molecular level. Experiments and accompanying simulations will be used to predict the behaviour of the composite materials under different influences.

By means of locally high-resolution computer tomography the material behaviour in situ shall be determined and material models shall be developed. This is the basis for the optimized numerical simulation of the manufacturing processes and component failure.

 

Prof. Dr. rer. nat. Sven Hartwig

Prof. Dr. rer. nat. Sven Hartwig

Junior professorship to establish the junior research group
"Characterization and modification of interfaces"

Direction of the department

Prof. Dr. rer. nat. Sven Hartwig
OHLF / Office 2.23
+49 531 391 65023
+49 160 91500682
s.hartwig(at)tu-braunschweig.de

Academic staff

Muhammad Anas Athar, M.Sc.

Research Assistant

Mr. Athar deals with the mechanical characterization, simulation and computer-aided Interpretation of lightweight structures such as Sandwich composites, Fiber-Reinforced Composites and interfaces of hybrid materials.

OHLF / Office 2.19

T:    +49 531 391 65010
M:   +49 160 91481868
muhammad-anas.athar(at)tu-braunschweig.de

Muhammad Anas Athar
Dan Belke, M.Sc.

Research assistant

Mr. Belke is working on functional coatings for components of future mobility applications. In addition, he is researching a holistic evaluation methodology for the design of inventive product systems.

OHLF / Office 2.27

T:    +49 531 391 65027
M:   +49 175 1125900
d.belke(at)tu-braunschweig.de

Dan Belke
Sven Bremer, M.Sc.

Research assistant

Mr. Bremer deals with bonding in the automotive sector. His research focuses on debonding in assembly, i.e. the removal of adhesive bonds after the use phase with regard to the circular economy.

OHLF / Office 2.29

T:   +49 531 391 65030
M:  +49 175 8309600
sven.bremer(at)tu-braunschweig.de

Sven Bremer
Güven Çelebi, M.Sc.

Research assistant

Mr. Celebi deals with metal bonding. By analytical characterization of adhesives and investigations on small part samples he investigates the boundary conditions for bonding processes in automotive body construction.

OHLF / Office 2.27

M:   +49 160 94603713
g.celebi(at)tu-braunschweig.de

Güven Celebi
Christian Gundlach, M.Sc.

Research assistant

Mr. Gundlach deals with the characterisation of potting materials using a novel hybrid test specimen, which allows possible test results to be obtained in the early development phases of a component to check potting materials for their suitability.

OHLF / Office 2.19

T:    +49 531 391 65025
M:   +49 151 29702629
c.gundlach(at)tu-braunschweig.de

Christian Gundlach
Torben Gutsch, M.Sc.

Research Assistant

Mr. Gutsch is working on determining the lightweight construction potential of combined FRP-metal hybrid components. He is also responsible for the mechanical material characterization of plastics.

OHLF / Office 2.27

M:   +49 175 8746684
torben.gutsch(at)tu-braunschweig.de

Torben Gutsch, M.Sc.
Kevin Engelmann, M.Sc.

Research assistant

Mr. Engelmann deals with the development of bio-based fiber composites. The focus is on the optimization of fiber-matrix adhesion and the validation of material properties on test specimens.

OHLF / Office 2.26

T:   +49 531 391 65021
M:  +49 160 99715914
k.engelmann(at)tu-braunschweig.de

 

Kerstin Lütke Enking, M.Sc.

Research assistant

Mrs. Lütke Enking deals with various adhesive topics from the automotive sector. The focus of her work is on the mechanical and analytical characterisation of bonded joints and adhesives.

OHLF / Office 2.29

T:   +49 531 391 65014
M:  +49 160 4600145
kerstin.luetke-enking(at)tu-braunschweig.de

Kerstin Lütke Enking
Miriam Mengedoht, M.Sc.

Research assistant

Ms. Mengedoht is working on the processing of bio-based materials.  Her research focuses on fungal mycelium in multi-material composites for use as structural components.

OHLF / Office 2.08

M:  +49 151 14301863
miriam.mengedoht(at)tu-braunschweig.de

Miriam Mengedoht
Hartwig Schneider, M.Sc.

Research assistant

Mr. Schneider deals with plasma polymerization processes for flat glass products in preparation for subsequent bonding processes.

OHLF / Office 2.26

T:   +49 531 391 65021
M:  +49 151 46350548
hartwig.schneider(at)tu-braunschweig.de

Hartwig Schneider
Julian Steinberg, M.Sc.

Research assistant

Mr. Steinberg is engaged in in-mold and post-mold assembly processes for joining aluminum castings with thermoplastic FKV components and surface treatment processes for aluminum castings.

OHLF / Office 2.28

T:   +49 531 391 65028
M:  +49 171 2299964
j.steinberg(at)tu-braunschweig.de

Julian Steinberg

Technical staff

Thomas Stach

Damage reports and Analytics

Braunschweig, Langer Kamp 8 / Office 213

T:    +49 531 391 95522
t.stach(at)tu-braunschweig.de

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