08:30 |
Registration & coffee |
09:00 | Welcome – Opening 8. Materials Days |
Prof. Dr. Eberhard Burkel, Prof. Dr. Ursula van Rienen, Christian Weiß |
09:10 |
More efficient fuel cells based on ceramic proton conductors |
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- Electrochemical energy conversion is an essential part of sustainable energy technologies, such as the fuel cell hydrogen cars.
- Proton conducting ceramic fuel cells, electrolyzers, and membranes are simpler and more efficient than their polymer or oxide ion counterparts
- Hoewever, a number of challenges need be overcome.
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Prof. Truls Norby Functional Energy Related Materials, University of Oslo, Norway more Information |
09:50 |
New Materials and Components on the Basis of Selective Electron Beam Melting |
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- Additive manufacturing is one of the key technologies of the future
- Physical principles of selective electron beam melting
- Design freedom allows the development of materials with new properties
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Prof. Dr. Carolin Körner Werkstoffkunde und Technologie der Metalle, Universität Erlangen-Nürnberg more Information |
10:30 |
Refreshment break & networking |
10:50 |
Materials Challenges in Wind energy |
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- Demands on Metallic Material for in Wind Turbines
- Casted Iron for Cold Temperature Wind Turbines
- Superconducting Material in Wind Turbine Generators
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Dipl.-Ing. Anton Wolf Corporate Technology / Chief Mechanical Engineer, AMSC Austria GmbH more Information |
11:20 |
Thermal Joint Stresses of Sintered Magnets in the Application of Wind Power Generators |
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- Challenges for magnets in the new generation of direct drive wind power generators
- Published solutions mostly have some disadvantages
- The state of the art and physical background will be discussed
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Dr. Norbert Götschmann Team Leader Innovation Lloyd Dynamowerke, Bremen more Information |
11:45 |
The role of nanostructure in bulk functional oxides |
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- The effect of the nanostructure (grain size below 50 nm) on the physical properties of functional oxides in bulk form will be reviewed
- Solid state electrolytes, thermoelectric and ferrolelectrics will be covered
- The synthesis of these materials will be discussed
- Examples for the phase stability and improved optical and electrical properties of bulk oxides will be given
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Prof. Umberto Anselmi-Tamburini Dipartimento di Chimica fisica - Universita' di Pavia more Information |
12:10 |
Selective Laser Melting (SLM®) becomes Mainstream Technology |
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- Additive Manufacturing in the Quality-Time-Cost Tension
- Break-Through by Manifold Productivity Increase with Double-Beam Technology
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Dr. Dieter Schwarze SLM Solution GmbH, Lübeck more Information |
12:30 |
Lunch & Networking |
13:30 |
Requirements for fibres, resins and composite materials for wind turbine blades |
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- Design and material structure in wind turbine blades
- Fatigue performance of composites
- Stiffness and modulus for fibres and composites
- Qualification of sizing and interfaces using single fibre fragmentation tests
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Dr. Povl Bronsted Research Specialist, Risoe-DTU, Denmark more Information |
14:10 |
Micromechanisms of crystalline polymers |
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- The yield stress of semicrystalline polymers depends not only on crystal thickness but also on the degree of crystallinity.
- An earlier proposed mechanism for yielding connected with non-crystallographic changes of the material is discussed
- It will be shown that plastic yielding of semicrystalline polymers is greatly affected by the state of their amorphous phase
- The changes of the amorphous phase may explain why yielding is depending on the crystallinity degree
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Prof. Andrzej Galeski Centre of Moleuclar and Macromolecular Studies, Polish Academy of Sciences more Information |
14:30 |
Carbon nanotubes in rotor blades of wind turbines |
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- Manufacturing of glass fiber composites with CNT
- static tension test 90° to the fiber
- atigue results of glass fiber composites with different CNT
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Dipl.-Ing. Benjamin Buchholz project engineer, competence center rotor blade, Fraunhofer Institute for Wind Energy and Energy System Technology, Bremerhaven more Information |
14:50 |
e-beam crosslinked high performance plastics |
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- electron-beam crosslinked engineering plastics receive characteristics of high performance plastics
- improved mechanical and chemical properties at elevated temperatures
- improved fiber-matrix bonding for e-beam crosslinked fiber-reinforced thermoplastics
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Yves Kaufhold COO, Herotron E-Beam Service GmbH, Bitterfeld-Wolfen more Information |
15:10 |
New technology concepts for windmill systems - winded turbine blades - and framework structures |
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- alternative solutions for composite structures in windmill design
- strand laying technology allows full automated manufacturing of turbine blade structures
- advantages in reliability, costs, quality & opportunity for segmentation of blades
- it were anticipated applications in manufacturing of lattice towers and gondolas
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Dr. D. Büchler Baltico GmbH more Information |
15:30 |
Refreshment break & networking |
16:00 |
Inspection interval definition of components and structures by the simulation of fatigue crack propagation |
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- Fracture Mechanical methods are used simulating the residual lifetime and therewith inspection intervals
- Different factors are discussed influencing inspection intervals
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Prof. Sander, J. Lebahn Chair structural mechanics, University of Rostock more Information |
16:30 |
Atomistic Insights into the tribological properties of Carbon materials |
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- Computer simulations unveil atomic-scale tribological mechanisms that help understand running-in and wear of hard carbon coatings and develop design rules
- The wear of Diamond and Diamond-like Carbon surfaces is driven by mechanical amorphisation of the material
- Environmental conditions play a crucial role and lead, for instance, to oxidative wear and chemical termination of C surfaces
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Dr. Gianpietro Moras Fraunhofer-Institut für Werkstoffmechanik IWM more Information |
17:00 |
New developments in the simulation of tribological processes) |
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- Modeling friction at the nanoscale
- Interaction of lubricants and surfaces
- Characterizing lubricants at extreme conditions
- Mapping from small to large scales
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Prof. Martin Müser Institute of Advanced Simulation, Jülich Supercomputing Centre (JSC) more Information |
17:30 |
In situ observation of wear particle formation on lubricated sliding surfaces |
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- A novel experimental platform to link topographical and material changes with friction and wear behavior for a large range of forces and sliding speeds will be presented
- The transformation and propagation of wear tracks of copper and binary brasses will be discussed
- Additional focused ion beam (FIB) analysis allows to observe and track single wear event
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Dr. Martin Dienwiebel KIT, Karlsruher Institut für Technologie more Information |
18:00 |
Public Lecture: 3D integrated all-solid-state batteries: a challenging route towards small autonomous devices |
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- All-solid-state batteries
- 3D-integration
- IC-storage
- Medical implants
- Autonomous devices
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Prof. Peter Notten Group Energy Materials and Devices Eindhoven University of Technology, The Netherlands more Information |
19:00 | Closing remarks of the chairman & End of symposium day one |
19:30 |
Get-Together |
08:30 |
Registration & coffee |
09:00 |
Li-ion batteries - synchrotron studies of materials in motion |
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- Processes in a battery are complex
- The knowledge about the lithium-ion mobility in the bulk electrode, the electrolyte materials and electrode/electrolyte interfaces is crucial for new or improved battery concepts
- Characterization methods at different synchrotron radiation sources are improving the general understanding of the mechanisms occurring in a battery in operation
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Prof. Kristina Edström Angström Advanced Battery Centre, Uppsala Universitet, Sweden more Information |
09:45 |
Clean water and hydrogen from sunlight |
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- Providing safe clean drinking water and sustainable energy for all the World's population is of enormous importance
- In principle, sunlight is all one needs to purify and disinfect water and to split water to make fuels such as hydrogen
- But photocatalysts are poorly understood and not efficient enough.
- Have we missed something essential?
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Prof. Truls Norby Functional Energy Related Materials, University of Oslo, Norway more Information |
10:10 |
Towards the Simulation of redox reactions |
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- Fundamental aspects of non-equilibrium redox reactions
- Examples: Charging of Galvanic cells, contact electrification
- The challenge of modeling redox reactions with atomistic simulations
- Solutions to the problem and first demonstrators
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Prof. Martin Müser Institute of Advanced Simulation, Jülich Supercomputing Centre (JSC) more Information |
10:30 |
Refreshment break & networking |
11:00 |
Biofilms as complex films |
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- Biofilms are heterogeneous communities of bacteria
- What is the key process that enables them to live even in the most extreme environments?
- A common hallmark of all bacterial biofilms is the production of a polymeric matrix that holds the community together.
- Can we understand and manipulate this process?
- Biofilms colonize surfaces efficiently. How does that depend on their material properties?
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Dr. Agnese Seminara Institut Pasteur, Paris, France more Information |
11:40 |
Calcium phosphate coatings on magnesium alloy for biomaterial application |
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- Biodegradable magnesium alloy
- surface modification
- In vitro biodegradation and cytotoxicity evaluations
- orthopedic implants
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Prof. Wei Lu Tongji University, Shanghai, China more Information |
12:10 |
Cavitation Induced Construction of Bioactive Surfaces |
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- Ultrasound-assisted formation of porous metals
- Surface metal capsules for tunable loading and release of active compounds
- Metal-polymer intelligent bio surfaces
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Dr. Daria Andreeva Physical Chemistry, University Bayreuth more Information |
12:30 |
Lunch & Networking |
13:50 |
Stable electrocatalysts for PEM-fuel cells with Pt from recycling sources |
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- Recycling of platinum and other PGM from used fuel cell stacks and car exhaust catalysts
- Application in low temperature PEFC, high temperature PEFC
- High performance and slow degradation
- Stationary and portable applications
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Dr. Elgar Fokkens Hydrogen and Informatics Institute of Applied Technologies GmbH more Information |
14:10 |
Patterned ceramic films and nanostructures by solution chemistry: an effective approach towards the synthesis of oxide microdevices |
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- The synthesis of patterned oxide thin films using solution chemistry and soft lithography is presented.
- Controlled nanostructures coupled with high quality lithography characteristics are achieved.
- They can serve as templates for the growth of nanorods or complex hierachic nanostructures.
- Complex microdevices for sensing applications can be produced along thís all-solution route
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Prof. Umberto Anselmi-Tamburini Dipartimento di Chimica fisica - Universita' di Pavia more Information |
14:30 |
Foaming of polypropylene nanocomposites. |
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- Closed-cell PP nanocomposite foams are produced with cell sizes lower and cell concentration higher than for the neat polypropylene.
- The effect of nanofibers and nanoplatelets both on the extensional viscosity of linear polypropylene and on the cell size, cell concentration and bulk density of PP-based foams will be discussed
- The influence of die temperature and extrusion speed on the structure of PP nanocomposite foams is presented
- Nanofibers or nanoplatelets are located in cell walls of growing bubbles and prevent their coalescence
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Prof. Andrzej Galeski Centre of Moleuclar and Macromolecular Studies, Polish Academy of Sciences more Information |
14:50 |
Refreshment break & networking |
15:20 |
Thickness reinforcement of composite materials with z-pins |
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- Composite materials such as CFRP have excellent mechanical in-plane properties in relation to their density
- Compared to in-plane properties, out-of-plane properties are very low due to the lack of fibers oriented in the through-thickness direction
- state of the art and the influence of z-pins on the mechanical properties will be discussed
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Prof. Gerhard Scharr, Dipl.Ing. Matthias Knaupp University of Rostock more Information |
15:40 |
Spray-formed hypereutectic Aluminum-Silicon alloys |
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- Spray forming
- conducitivity
- hypereutectic Aluminum-Silicon
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Prof. Biao Yan Tongji University, Shanghai, China more Information |
16:00 |
Fabrication and properties of Ti6Al4V alloys and foams by rapid cooling-SPS |
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- The preparation of Ti6Al4V alloys and foams through spark plasma sintering (SPS) with a unique rapidly cooling system will be discussed.
- The effect of the cooling rate on the microstructures and mechanical properties of the Ti6Al4V alloys is presented.
- A comparison between the microstructures and properties of the Ti6Al4V alloys prepared by SPS and selected electron beam melting (SEBM) technique is given
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Dr. Fames Zhang Physics of New Materials, University of Rostock more Information |
16:20 | Closing remarks of the chairman & End of symposium |