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DIK Research Focal Points
1) Characterization
- Dynamic-mechanical characteristics up to high frequencies
- Broadband dielectric spectroscopy
- Ultrasonic spectroscopy
- Microscopy (TEM,SEM, AFM)
- Nano-technological methods
- Fracture mechanics
- Rheology and mixing control
- Dielectric analysis under shear stress
- Characterization of fillers (morphology, activity)
- Filler distribution in rubber compounds and vulcanizates
- "Leachables" and "extractables" from polymer materials
- Emissions and environmental exposure of elastomers
- Investigation of local deformations (3D photogrammetry)
- Nondestructive component analysis with computer tomography
2) Modeling and Simulation
- FE simulations of elastomer components
- Continuum mechanical description of inelastic effects
- Concept for representation of spatial directions
- Material models for FE simulations
- Theory of filler-based reinforcement
- Modeling of polymer networks
- Mechanisms of cross-linking (vulcanization)
- Molecular-dynamic simulations
- Theory of rubber friction
- Molecular rheology
3) New Materials
- Evaluation of new raw materials for rubber technology
- Modification of fillers and polymers
- Elastomer nano-composites (synthetic and biobased)
- New kinds of reinforced elastomers wit nanoscale fillers
- Thermoplastic elastomers (dynamic vulcanization)
- Functional and adaptive elastomers
- Magnetorheological elastomers for sensor technology and adaptronics
- Customized acoustics, damping and frictional characteristics
4) Innovative Manufacturing Processes
- Nano-technology
- Atmospheric pressure plasma techniques
- Continuous mixing in twin-screw extruder
- Optimization and monitoring of compounding process
- Blister-free calendering and extrusion
- Two component injection molding (thermoplastic / elastomer)
- Microwave heating
5) Aging and Wear
- Physical and chemical aging mechanisms
- Elucidation of mechanisms relevant to fatigue and damage
- Prediction of service life of dynamically stressed components
- Extended predictions of relaxation and creep on the basis of accelerated testing
- Characterization of aging phenomena of the filler network
- Fracture mechanics and fatigue
- Friction and wear mechanisms
6) Surfaces and Interfaces
- Surface modification of elastomers (atmospheric pressure plasma)
- Contact mechanics and friction
- Interphase dynamics of filled elastomers and blends
- Polymer-filler and filler-filler interaction
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